Break Monitor into smaller functions.
Monitor() has become way too big. Break it up into multiple smaller functions that are all called from the main loop. Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown
parent
ca750d9830
commit
2e0172b110
849
Monitor.c
849
Monitor.c
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@ -30,14 +30,44 @@
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#include <limits.h>
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#include <syslog.h>
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static void alert(char *event, char *dev, char *disc, char *mailaddr, char *mailfrom,
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char *cmd, int dosyslog);
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/* The largest number of disks current arrays can manage is 384
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* This really should be dynamically, but that will have to wait
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* At least it isn't MD_SB_DISKS.
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*/
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#define MaxDisks 384
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struct state {
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char *devname;
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int devnum; /* to sync with mdstat info */
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long utime;
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int err;
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char *spare_group;
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int active, working, failed, spare, raid;
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int expected_spares;
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int devstate[MaxDisks];
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unsigned devid[MaxDisks];
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int percent;
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int parent_dev; /* For subarray, devnum of parent.
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* For others, NoMdDev
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*/
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struct supertype *metadata;
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struct state *next;
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};
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static int make_daemon(char *pidfile);
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static int check_one_sharer(int scan);
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static void alert(char *event, char *dev, char *disc, char *mailaddr, char *mailfrom,
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char *cmd, int dosyslog);
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static void check_array(struct state *st, struct mdstat_ent *mdstat,
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int test, char *mailaddr,
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char *mailfrom, char *alert_cmd, int dosyslog,
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int increments);
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static int add_new_arrays(struct mdstat_ent *mdstat, struct state *statelist,
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int test, char *mailaddr, char *mailfrom,
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char *alert_cmd, int dosyslog);
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static void try_spare_migration(struct state *statelist,
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char *mailaddr, char *mailfrom,
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char *alert_cmd, int dosyslog);
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int Monitor(struct mddev_dev *devlist,
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char *mailaddr, char *alert_cmd,
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int period, int daemonise, int scan, int oneshot,
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@ -86,23 +116,7 @@ int Monitor(struct mddev_dev *devlist,
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* that appears in /proc/mdstat
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*/
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struct state {
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char *devname;
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int devnum; /* to sync with mdstat info */
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long utime;
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int err;
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char *spare_group;
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int active, working, failed, spare, raid;
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int expected_spares;
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int devstate[MaxDisks];
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unsigned devid[MaxDisks];
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int percent;
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int parent_dev; /* For subarray, devnum of parent.
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* For others, NoMdDev
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*/
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struct supertype *metadata;
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struct state *next;
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} *statelist = NULL;
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struct state *statelist = NULL;
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int finished = 0;
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struct mdstat_ent *mdstat = NULL;
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char *mailfrom = NULL;
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@ -126,72 +140,13 @@ int Monitor(struct mddev_dev *devlist,
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return 1;
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}
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if (daemonise) {
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int pid = fork();
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if (pid > 0) {
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if (!pidfile)
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printf("%d\n", pid);
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else {
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FILE *pid_file;
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pid_file=fopen(pidfile, "w");
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if (!pid_file)
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perror("cannot create pid file");
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else {
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fprintf(pid_file,"%d\n", pid);
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fclose(pid_file);
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}
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}
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return 0;
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}
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if (pid < 0) {
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perror("daemonise");
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if (daemonise)
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if (make_daemon(pidfile))
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return 1;
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}
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close(0);
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open("/dev/null", O_RDWR);
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dup2(0,1);
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dup2(0,2);
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setsid();
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}
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if (share) {
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int pid, rv;
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FILE *fp;
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char dir[20];
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struct stat buf;
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fp = fopen("/var/run/mdadm/autorebuild.pid", "r");
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if (fp) {
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fscanf(fp, "%d", &pid);
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sprintf(dir, "/proc/%d", pid);
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rv = stat(dir, &buf);
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if (rv != -1) {
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if (scan) {
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fprintf(stderr, Name ": Only one "
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"autorebuild process allowed"
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" in scan mode, aborting\n");
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fclose(fp);
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return 1;
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} else {
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fprintf(stderr, Name ": Warning: One"
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" autorebuild process already"
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" running.");
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}
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}
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fclose(fp);
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}
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if (scan) {
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fp = fopen("/var/run/mdadm/autorebuild.pid", "w");
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if (!fp)
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fprintf(stderr, Name ": Cannot create"
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" autorebuild.pid "
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"file\n");
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else {
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pid = getpid();
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fprintf(fp, "%d\n", pid);
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fclose(fp);
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}
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}
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}
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if (share)
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if (check_one_sharer(scan))
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return 1;
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if (devlist == NULL) {
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struct mddev_ident *mdlist = conf_get_ident(NULL);
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@ -256,324 +211,23 @@ int Monitor(struct mddev_dev *devlist,
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free_mdstat(mdstat);
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mdstat = mdstat_read(oneshot?0:1, 0);
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for (st=statelist; st; st=st->next) {
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struct { int state, major, minor; } info[MaxDisks];
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mdu_array_info_t array;
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struct mdstat_ent *mse = NULL, *mse2;
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char *dev = st->devname;
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int fd;
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int i;
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if (test)
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alert("TestMessage", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
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fd = open(dev, O_RDONLY);
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if (fd < 0) {
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if (!st->err)
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alert("DeviceDisappeared", dev, NULL,
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mailaddr, mailfrom, alert_cmd, dosyslog);
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/* fprintf(stderr, Name ": cannot open %s: %s\n",
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dev, strerror(errno));
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*/ st->err=1;
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continue;
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}
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fcntl(fd, F_SETFD, FD_CLOEXEC);
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if (ioctl(fd, GET_ARRAY_INFO, &array)<0) {
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if (!st->err)
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alert("DeviceDisappeared", dev, NULL,
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mailaddr, mailfrom, alert_cmd, dosyslog);
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/* fprintf(stderr, Name ": cannot get array info for %s: %s\n",
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dev, strerror(errno));
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*/ st->err=1;
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close(fd);
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continue;
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}
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/* It's much easier to list what array levels can't
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* have a device disappear than all of them that can
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*/
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if (array.level == 0 || array.level == -1) {
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if (!st->err)
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alert("DeviceDisappeared", dev, "Wrong-Level",
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mailaddr, mailfrom, alert_cmd, dosyslog);
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st->err = 1;
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close(fd);
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continue;
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}
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if (st->devnum == INT_MAX) {
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struct stat stb;
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if (fstat(fd, &stb) == 0 &&
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(S_IFMT&stb.st_mode)==S_IFBLK) {
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if (major(stb.st_rdev) == MD_MAJOR)
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st->devnum = minor(stb.st_rdev);
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else
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st->devnum = -1- (minor(stb.st_rdev)>>6);
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}
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}
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for (mse2 = mdstat ; mse2 ; mse2=mse2->next)
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if (mse2->devnum == st->devnum) {
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mse2->devnum = INT_MAX; /* flag it as "used" */
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mse = mse2;
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}
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if (!mse) {
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/* duplicated array in statelist
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* or re-created after reading mdstat*/
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st->err = 1;
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close(fd);
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continue;
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}
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/* this array is in /proc/mdstat */
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if (array.utime == 0)
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/* external arrays don't update utime, so
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* just make sure it is always different. */
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array.utime = st->utime + 1;;
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if (st->utime == array.utime &&
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st->failed == array.failed_disks &&
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st->working == array.working_disks &&
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st->spare == array.spare_disks &&
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(mse == NULL || (
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mse->percent == st->percent
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))) {
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close(fd);
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st->err = 0;
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continue;
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}
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if (st->utime == 0 && /* new array */
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mse->pattern && strchr(mse->pattern, '_') /* degraded */
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)
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alert("DegradedArray", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
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if (st->utime == 0 && /* new array */
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st->expected_spares > 0 &&
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array.spare_disks < st->expected_spares)
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alert("SparesMissing", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
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if (st->percent == -1 &&
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mse->percent >= 0)
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alert("RebuildStarted", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
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if (st->percent >= 0 &&
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mse->percent >= 0 &&
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(mse->percent / increments) > (st->percent / increments)) {
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char percentalert[15]; // "RebuildNN" (10 chars) or "RebuildStarted" (15 chars)
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if((mse->percent / increments) == 0)
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snprintf(percentalert, sizeof(percentalert), "RebuildStarted");
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else
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snprintf(percentalert, sizeof(percentalert), "Rebuild%02d", mse->percent);
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alert(percentalert,
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dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
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}
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if (mse->percent == -1 &&
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st->percent >= 0) {
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/* Rebuild/sync/whatever just finished.
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* If there is a number in /mismatch_cnt,
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* we should report that.
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*/
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struct mdinfo *sra =
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sysfs_read(-1, st->devnum, GET_MISMATCH);
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if (sra && sra->mismatch_cnt > 0) {
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char cnt[40];
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sprintf(cnt, " mismatches found: %d", sra->mismatch_cnt);
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alert("RebuildFinished", dev, cnt, mailaddr, mailfrom, alert_cmd, dosyslog);
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} else
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alert("RebuildFinished", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
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if (sra)
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free(sra);
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}
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st->percent = mse->percent;
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for (i=0; i<MaxDisks && i <= array.raid_disks + array.nr_disks;
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i++) {
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mdu_disk_info_t disc;
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disc.number = i;
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if (ioctl(fd, GET_DISK_INFO, &disc) >= 0) {
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info[i].state = disc.state;
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info[i].major = disc.major;
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info[i].minor = disc.minor;
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} else
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info[i].major = info[i].minor = 0;
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}
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if (strncmp(mse->metadata_version, "external:", 9) == 0 &&
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is_subarray(mse->metadata_version+9))
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st->parent_dev =
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devname2devnum(mse->metadata_version+10);
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else
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st->parent_dev = NoMdDev;
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if (st->metadata == NULL &&
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st->parent_dev == NoMdDev)
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st->metadata = super_by_fd(fd, NULL);
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close(fd);
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for (i=0; i<MaxDisks; i++) {
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mdu_disk_info_t disc = {0,0,0,0,0};
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int newstate=0;
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int change;
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char *dv = NULL;
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disc.number = i;
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if (i > array.raid_disks + array.nr_disks) {
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newstate = 0;
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disc.major = disc.minor = 0;
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} else if (info[i].major || info[i].minor) {
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newstate = info[i].state;
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dv = map_dev(info[i].major, info[i].minor, 1);
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disc.state = newstate;
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disc.major = info[i].major;
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disc.minor = info[i].minor;
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} else if (mse && mse->pattern && i < (int)strlen(mse->pattern)) {
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switch(mse->pattern[i]) {
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case 'U': newstate = 6 /* ACTIVE/SYNC */; break;
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case '_': newstate = 0; break;
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}
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disc.major = disc.minor = 0;
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}
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if (dv == NULL && st->devid[i])
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dv = map_dev(major(st->devid[i]),
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minor(st->devid[i]), 1);
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change = newstate ^ st->devstate[i];
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if (st->utime && change && !st->err) {
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if (i < array.raid_disks &&
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(((newstate&change)&(1<<MD_DISK_FAULTY)) ||
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((st->devstate[i]&change)&(1<<MD_DISK_ACTIVE)) ||
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((st->devstate[i]&change)&(1<<MD_DISK_SYNC)))
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)
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alert("Fail", dev, dv, mailaddr, mailfrom, alert_cmd, dosyslog);
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else if (i >= array.raid_disks &&
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(disc.major || disc.minor) &&
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st->devid[i] == makedev(disc.major, disc.minor) &&
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((newstate&change)&(1<<MD_DISK_FAULTY))
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)
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alert("FailSpare", dev, dv, mailaddr, mailfrom, alert_cmd, dosyslog);
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else if (i < array.raid_disks &&
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! (newstate & (1<<MD_DISK_REMOVED)) &&
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(((st->devstate[i]&change)&(1<<MD_DISK_FAULTY)) ||
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((newstate&change)&(1<<MD_DISK_ACTIVE)) ||
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((newstate&change)&(1<<MD_DISK_SYNC)))
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)
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alert("SpareActive", dev, dv, mailaddr, mailfrom, alert_cmd, dosyslog);
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}
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st->devstate[i] = newstate;
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st->devid[i] = makedev(disc.major, disc.minor);
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}
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st->active = array.active_disks;
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st->working = array.working_disks;
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st->spare = array.spare_disks;
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st->failed = array.failed_disks;
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st->utime = array.utime;
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st->raid = array.raid_disks;
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st->err = 0;
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}
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for (st=statelist; st; st=st->next)
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check_array(st, mdstat, test, mailaddr, mailfrom,
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alert_cmd, dosyslog, increments);
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/* now check if there are any new devices found in mdstat */
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if (scan) {
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struct mdstat_ent *mse;
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for (mse=mdstat; mse; mse=mse->next)
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if (mse->devnum != INT_MAX &&
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(!mse->level || /* retrieve containers */
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(strcmp(mse->level, "raid0") != 0 &&
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strcmp(mse->level, "linear") != 0))
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) {
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struct state *st = malloc(sizeof *st);
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mdu_array_info_t array;
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int fd;
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if (st == NULL)
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continue;
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st->devname = strdup(get_md_name(mse->devnum));
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if ((fd = open(st->devname, O_RDONLY)) < 0 ||
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ioctl(fd, GET_ARRAY_INFO, &array)< 0) {
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/* no such array */
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if (fd >=0) close(fd);
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put_md_name(st->devname);
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free(st->devname);
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if (st->metadata) {
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st->metadata->ss->free_super(st->metadata);
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free(st->metadata);
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}
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free(st);
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continue;
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}
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close(fd);
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st->utime = 0;
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st->next = statelist;
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st->err = 1;
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st->devnum = mse->devnum;
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st->percent = -2;
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st->spare_group = NULL;
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st->expected_spares = -1;
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if (strncmp(mse->metadata_version, "external:", 9) == 0 &&
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is_subarray(mse->metadata_version+9))
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st->parent_dev =
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devname2devnum(mse->metadata_version+10);
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else
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st->parent_dev = NoMdDev;
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st->metadata = NULL;
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statelist = st;
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if (test)
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alert("TestMessage", st->devname, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
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alert("NewArray", st->devname, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
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new_found = 1;
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}
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}
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if (scan)
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new_found = add_new_arrays(mdstat, statelist, test,
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mailaddr, mailfrom, alert_cmd,
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dosyslog);
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/* If an array has active < raid && spare == 0 && spare_group != NULL
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* Look for another array with spare > 0 and active == raid and same spare_group
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* if found, choose a device and hotremove/hotadd
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*/
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if (share) for (st = statelist; st; st=st->next)
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if (st->active < st->raid &&
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st->spare == 0 &&
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st->spare_group != NULL) {
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struct state *st2;
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for (st2=statelist ; st2 ; st2=st2->next)
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if (st2 != st &&
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st2->spare > 0 &&
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st2->active == st2->raid &&
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st2->spare_group != NULL &&
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strcmp(st->spare_group, st2->spare_group) == 0) {
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/* try to remove and add */
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int fd1 = open(st->devname, O_RDONLY);
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int fd2 = open(st2->devname, O_RDONLY);
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int dev = -1;
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int d;
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if (fd1 < 0 || fd2 < 0) {
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if (fd1>=0) close(fd1);
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if (fd2>=0) close(fd2);
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continue;
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}
|
||||
for (d=st2->raid; d < MaxDisks; d++) {
|
||||
if (st2->devid[d] > 0 &&
|
||||
st2->devstate[d] == 0) {
|
||||
dev = st2->devid[d];
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (dev > 0) {
|
||||
struct mddev_dev devlist;
|
||||
char devname[20];
|
||||
devlist.next = NULL;
|
||||
devlist.used = 0;
|
||||
devlist.re_add = 0;
|
||||
devlist.writemostly = 0;
|
||||
devlist.devname = devname;
|
||||
sprintf(devname, "%d:%d", major(dev), minor(dev));
|
||||
|
||||
devlist.disposition = 'r';
|
||||
if (Manage_subdevs(st2->devname, fd2, &devlist, -1, 0) == 0) {
|
||||
devlist.disposition = 'a';
|
||||
if (Manage_subdevs(st->devname, fd1, &devlist, -1, 0) == 0) {
|
||||
alert("MoveSpare", st->devname, st2->devname, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
close(fd1);
|
||||
close(fd2);
|
||||
break;
|
||||
}
|
||||
else Manage_subdevs(st2->devname, fd2, &devlist, -1, 0);
|
||||
}
|
||||
}
|
||||
close(fd1);
|
||||
close(fd2);
|
||||
}
|
||||
}
|
||||
if (share)
|
||||
try_spare_migration(statelist, mailaddr, mailfrom,
|
||||
alert_cmd, dosyslog);
|
||||
if (!new_found) {
|
||||
if (oneshot)
|
||||
break;
|
||||
|
|
@ -587,6 +241,76 @@ int Monitor(struct mddev_dev *devlist,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int make_daemon(char *pidfile)
|
||||
{
|
||||
int pid = fork();
|
||||
if (pid > 0) {
|
||||
if (!pidfile)
|
||||
printf("%d\n", pid);
|
||||
else {
|
||||
FILE *pid_file;
|
||||
pid_file=fopen(pidfile, "w");
|
||||
if (!pid_file)
|
||||
perror("cannot create pid file");
|
||||
else {
|
||||
fprintf(pid_file,"%d\n", pid);
|
||||
fclose(pid_file);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
if (pid < 0) {
|
||||
perror("daemonise");
|
||||
return 1;
|
||||
}
|
||||
close(0);
|
||||
open("/dev/null", O_RDWR);
|
||||
dup2(0,1);
|
||||
dup2(0,2);
|
||||
setsid();
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_one_sharer(int scan)
|
||||
{
|
||||
int pid, rv;
|
||||
FILE *fp;
|
||||
char dir[20];
|
||||
struct stat buf;
|
||||
fp = fopen("/var/run/mdadm/autorebuild.pid", "r");
|
||||
if (fp) {
|
||||
fscanf(fp, "%d", &pid);
|
||||
sprintf(dir, "/proc/%d", pid);
|
||||
rv = stat(dir, &buf);
|
||||
if (rv != -1) {
|
||||
if (scan) {
|
||||
fprintf(stderr, Name ": Only one "
|
||||
"autorebuild process allowed"
|
||||
" in scan mode, aborting\n");
|
||||
fclose(fp);
|
||||
return 1;
|
||||
} else {
|
||||
fprintf(stderr, Name ": Warning: One"
|
||||
" autorebuild process already"
|
||||
" running.");
|
||||
}
|
||||
}
|
||||
fclose(fp);
|
||||
}
|
||||
if (scan) {
|
||||
fp = fopen("/var/run/mdadm/autorebuild.pid", "w");
|
||||
if (!fp)
|
||||
fprintf(stderr, Name ": Cannot create"
|
||||
" autorebuild.pid "
|
||||
"file\n");
|
||||
else {
|
||||
pid = getpid();
|
||||
fprintf(fp, "%d\n", pid);
|
||||
fclose(fp);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void alert(char *event, char *dev, char *disc, char *mailaddr, char *mailfrom, char *cmd,
|
||||
int dosyslog)
|
||||
|
|
@ -680,6 +404,337 @@ static void alert(char *event, char *dev, char *disc, char *mailaddr, char *mail
|
|||
}
|
||||
}
|
||||
|
||||
static void check_array(struct state *st, struct mdstat_ent *mdstat,
|
||||
int test, char *mailaddr,
|
||||
char *mailfrom, char *alert_cmd, int dosyslog,
|
||||
int increments)
|
||||
{
|
||||
struct { int state, major, minor; } info[MaxDisks];
|
||||
mdu_array_info_t array;
|
||||
struct mdstat_ent *mse = NULL, *mse2;
|
||||
char *dev = st->devname;
|
||||
int fd;
|
||||
int i;
|
||||
|
||||
if (test)
|
||||
alert("TestMessage", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
fd = open(dev, O_RDONLY);
|
||||
if (fd < 0) {
|
||||
if (!st->err)
|
||||
alert("DeviceDisappeared", dev, NULL,
|
||||
mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
/* fprintf(stderr, Name ": cannot open %s: %s\n",
|
||||
dev, strerror(errno));
|
||||
*/ st->err=1;
|
||||
return;
|
||||
}
|
||||
fcntl(fd, F_SETFD, FD_CLOEXEC);
|
||||
if (ioctl(fd, GET_ARRAY_INFO, &array)<0) {
|
||||
if (!st->err)
|
||||
alert("DeviceDisappeared", dev, NULL,
|
||||
mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
/* fprintf(stderr, Name ": cannot get array info for %s: %s\n",
|
||||
dev, strerror(errno));
|
||||
*/ st->err=1;
|
||||
close(fd);
|
||||
return;
|
||||
}
|
||||
/* It's much easier to list what array levels can't
|
||||
* have a device disappear than all of them that can
|
||||
*/
|
||||
if (array.level == 0 || array.level == -1) {
|
||||
if (!st->err)
|
||||
alert("DeviceDisappeared", dev, "Wrong-Level",
|
||||
mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
st->err = 1;
|
||||
close(fd);
|
||||
return;
|
||||
}
|
||||
if (st->devnum == INT_MAX) {
|
||||
struct stat stb;
|
||||
if (fstat(fd, &stb) == 0 &&
|
||||
(S_IFMT&stb.st_mode)==S_IFBLK) {
|
||||
if (major(stb.st_rdev) == MD_MAJOR)
|
||||
st->devnum = minor(stb.st_rdev);
|
||||
else
|
||||
st->devnum = -1- (minor(stb.st_rdev)>>6);
|
||||
}
|
||||
}
|
||||
|
||||
for (mse2 = mdstat ; mse2 ; mse2=mse2->next)
|
||||
if (mse2->devnum == st->devnum) {
|
||||
mse2->devnum = INT_MAX; /* flag it as "used" */
|
||||
mse = mse2;
|
||||
}
|
||||
|
||||
if (!mse) {
|
||||
/* duplicated array in statelist
|
||||
* or re-created after reading mdstat*/
|
||||
st->err = 1;
|
||||
close(fd);
|
||||
return;
|
||||
}
|
||||
/* this array is in /proc/mdstat */
|
||||
if (array.utime == 0)
|
||||
/* external arrays don't update utime, so
|
||||
* just make sure it is always different. */
|
||||
array.utime = st->utime + 1;;
|
||||
|
||||
if (st->utime == array.utime &&
|
||||
st->failed == array.failed_disks &&
|
||||
st->working == array.working_disks &&
|
||||
st->spare == array.spare_disks &&
|
||||
(mse == NULL || (
|
||||
mse->percent == st->percent
|
||||
))) {
|
||||
close(fd);
|
||||
st->err = 0;
|
||||
return;
|
||||
}
|
||||
if (st->utime == 0 && /* new array */
|
||||
mse->pattern && strchr(mse->pattern, '_') /* degraded */
|
||||
)
|
||||
alert("DegradedArray", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
|
||||
if (st->utime == 0 && /* new array */
|
||||
st->expected_spares > 0 &&
|
||||
array.spare_disks < st->expected_spares)
|
||||
alert("SparesMissing", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
if (st->percent == -1 &&
|
||||
mse->percent >= 0)
|
||||
alert("RebuildStarted", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
if (st->percent >= 0 &&
|
||||
mse->percent >= 0 &&
|
||||
(mse->percent / increments) > (st->percent / increments)) {
|
||||
char percentalert[15]; // "RebuildNN" (10 chars) or "RebuildStarted" (15 chars)
|
||||
|
||||
if((mse->percent / increments) == 0)
|
||||
snprintf(percentalert, sizeof(percentalert), "RebuildStarted");
|
||||
else
|
||||
snprintf(percentalert, sizeof(percentalert), "Rebuild%02d", mse->percent);
|
||||
|
||||
alert(percentalert,
|
||||
dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
}
|
||||
|
||||
if (mse->percent == -1 &&
|
||||
st->percent >= 0) {
|
||||
/* Rebuild/sync/whatever just finished.
|
||||
* If there is a number in /mismatch_cnt,
|
||||
* we should report that.
|
||||
*/
|
||||
struct mdinfo *sra =
|
||||
sysfs_read(-1, st->devnum, GET_MISMATCH);
|
||||
if (sra && sra->mismatch_cnt > 0) {
|
||||
char cnt[40];
|
||||
sprintf(cnt, " mismatches found: %d", sra->mismatch_cnt);
|
||||
alert("RebuildFinished", dev, cnt, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
} else
|
||||
alert("RebuildFinished", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
if (sra)
|
||||
free(sra);
|
||||
}
|
||||
st->percent = mse->percent;
|
||||
|
||||
for (i=0; i<MaxDisks && i <= array.raid_disks + array.nr_disks;
|
||||
i++) {
|
||||
mdu_disk_info_t disc;
|
||||
disc.number = i;
|
||||
if (ioctl(fd, GET_DISK_INFO, &disc) >= 0) {
|
||||
info[i].state = disc.state;
|
||||
info[i].major = disc.major;
|
||||
info[i].minor = disc.minor;
|
||||
} else
|
||||
info[i].major = info[i].minor = 0;
|
||||
}
|
||||
|
||||
if (strncmp(mse->metadata_version, "external:", 9) == 0 &&
|
||||
is_subarray(mse->metadata_version+9))
|
||||
st->parent_dev =
|
||||
devname2devnum(mse->metadata_version+10);
|
||||
else
|
||||
st->parent_dev = NoMdDev;
|
||||
if (st->metadata == NULL &&
|
||||
st->parent_dev == NoMdDev)
|
||||
st->metadata = super_by_fd(fd, NULL);
|
||||
|
||||
close(fd);
|
||||
|
||||
for (i=0; i<MaxDisks; i++) {
|
||||
mdu_disk_info_t disc = {0,0,0,0,0};
|
||||
int newstate=0;
|
||||
int change;
|
||||
char *dv = NULL;
|
||||
disc.number = i;
|
||||
if (i > array.raid_disks + array.nr_disks) {
|
||||
newstate = 0;
|
||||
disc.major = disc.minor = 0;
|
||||
} else if (info[i].major || info[i].minor) {
|
||||
newstate = info[i].state;
|
||||
dv = map_dev(info[i].major, info[i].minor, 1);
|
||||
disc.state = newstate;
|
||||
disc.major = info[i].major;
|
||||
disc.minor = info[i].minor;
|
||||
} else if (mse && mse->pattern && i < (int)strlen(mse->pattern)) {
|
||||
switch(mse->pattern[i]) {
|
||||
case 'U': newstate = 6 /* ACTIVE/SYNC */; break;
|
||||
case '_': newstate = 0; break;
|
||||
}
|
||||
disc.major = disc.minor = 0;
|
||||
}
|
||||
if (dv == NULL && st->devid[i])
|
||||
dv = map_dev(major(st->devid[i]),
|
||||
minor(st->devid[i]), 1);
|
||||
change = newstate ^ st->devstate[i];
|
||||
if (st->utime && change && !st->err) {
|
||||
if (i < array.raid_disks &&
|
||||
(((newstate&change)&(1<<MD_DISK_FAULTY)) ||
|
||||
((st->devstate[i]&change)&(1<<MD_DISK_ACTIVE)) ||
|
||||
((st->devstate[i]&change)&(1<<MD_DISK_SYNC)))
|
||||
)
|
||||
alert("Fail", dev, dv, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
else if (i >= array.raid_disks &&
|
||||
(disc.major || disc.minor) &&
|
||||
st->devid[i] == makedev(disc.major, disc.minor) &&
|
||||
((newstate&change)&(1<<MD_DISK_FAULTY))
|
||||
)
|
||||
alert("FailSpare", dev, dv, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
else if (i < array.raid_disks &&
|
||||
! (newstate & (1<<MD_DISK_REMOVED)) &&
|
||||
(((st->devstate[i]&change)&(1<<MD_DISK_FAULTY)) ||
|
||||
((newstate&change)&(1<<MD_DISK_ACTIVE)) ||
|
||||
((newstate&change)&(1<<MD_DISK_SYNC)))
|
||||
)
|
||||
alert("SpareActive", dev, dv, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
}
|
||||
st->devstate[i] = newstate;
|
||||
st->devid[i] = makedev(disc.major, disc.minor);
|
||||
}
|
||||
st->active = array.active_disks;
|
||||
st->working = array.working_disks;
|
||||
st->spare = array.spare_disks;
|
||||
st->failed = array.failed_disks;
|
||||
st->utime = array.utime;
|
||||
st->raid = array.raid_disks;
|
||||
st->err = 0;
|
||||
}
|
||||
|
||||
static int add_new_arrays(struct mdstat_ent *mdstat, struct state *statelist,
|
||||
int test, char *mailaddr, char *mailfrom,
|
||||
char *alert_cmd, int dosyslog)
|
||||
{
|
||||
struct mdstat_ent *mse;
|
||||
int new_found = 0;
|
||||
|
||||
for (mse=mdstat; mse; mse=mse->next)
|
||||
if (mse->devnum != INT_MAX &&
|
||||
(!mse->level || /* retrieve containers */
|
||||
(strcmp(mse->level, "raid0") != 0 &&
|
||||
strcmp(mse->level, "linear") != 0))
|
||||
) {
|
||||
struct state *st = malloc(sizeof *st);
|
||||
mdu_array_info_t array;
|
||||
int fd;
|
||||
if (st == NULL)
|
||||
continue;
|
||||
st->devname = strdup(get_md_name(mse->devnum));
|
||||
if ((fd = open(st->devname, O_RDONLY)) < 0 ||
|
||||
ioctl(fd, GET_ARRAY_INFO, &array)< 0) {
|
||||
/* no such array */
|
||||
if (fd >=0) close(fd);
|
||||
put_md_name(st->devname);
|
||||
free(st->devname);
|
||||
if (st->metadata) {
|
||||
st->metadata->ss->free_super(st->metadata);
|
||||
free(st->metadata);
|
||||
}
|
||||
free(st);
|
||||
continue;
|
||||
}
|
||||
close(fd);
|
||||
st->utime = 0;
|
||||
st->next = statelist;
|
||||
st->err = 1;
|
||||
st->devnum = mse->devnum;
|
||||
st->percent = -2;
|
||||
st->spare_group = NULL;
|
||||
st->expected_spares = -1;
|
||||
if (strncmp(mse->metadata_version, "external:", 9) == 0 &&
|
||||
is_subarray(mse->metadata_version+9))
|
||||
st->parent_dev =
|
||||
devname2devnum(mse->metadata_version+10);
|
||||
else
|
||||
st->parent_dev = NoMdDev;
|
||||
st->metadata = NULL;
|
||||
statelist = st;
|
||||
if (test)
|
||||
alert("TestMessage", st->devname, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
alert("NewArray", st->devname, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
new_found = 1;
|
||||
}
|
||||
return new_found;
|
||||
}
|
||||
|
||||
static void try_spare_migration(struct state *statelist,
|
||||
char *mailaddr, char *mailfrom,
|
||||
char *alert_cmd, int dosyslog)
|
||||
{
|
||||
struct state *st;
|
||||
for (st = statelist; st; st=st->next)
|
||||
if (st->active < st->raid &&
|
||||
st->spare == 0 &&
|
||||
st->spare_group != NULL) {
|
||||
struct state *st2;
|
||||
for (st2=statelist ; st2 ; st2=st2->next)
|
||||
if (st2 != st &&
|
||||
st2->spare > 0 &&
|
||||
st2->active == st2->raid &&
|
||||
st2->spare_group != NULL &&
|
||||
strcmp(st->spare_group, st2->spare_group) == 0) {
|
||||
/* try to remove and add */
|
||||
int fd1 = open(st->devname, O_RDONLY);
|
||||
int fd2 = open(st2->devname, O_RDONLY);
|
||||
int dev = -1;
|
||||
int d;
|
||||
if (fd1 < 0 || fd2 < 0) {
|
||||
if (fd1>=0) close(fd1);
|
||||
if (fd2>=0) close(fd2);
|
||||
continue;
|
||||
}
|
||||
for (d=st2->raid; d < MaxDisks; d++) {
|
||||
if (st2->devid[d] > 0 &&
|
||||
st2->devstate[d] == 0) {
|
||||
dev = st2->devid[d];
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (dev > 0) {
|
||||
struct mddev_dev devlist;
|
||||
char devname[20];
|
||||
devlist.next = NULL;
|
||||
devlist.used = 0;
|
||||
devlist.re_add = 0;
|
||||
devlist.writemostly = 0;
|
||||
devlist.devname = devname;
|
||||
sprintf(devname, "%d:%d", major(dev), minor(dev));
|
||||
|
||||
devlist.disposition = 'r';
|
||||
if (Manage_subdevs(st2->devname, fd2, &devlist, -1, 0) == 0) {
|
||||
devlist.disposition = 'a';
|
||||
if (Manage_subdevs(st->devname, fd1, &devlist, -1, 0) == 0) {
|
||||
alert("MoveSpare", st->devname, st2->devname, mailaddr, mailfrom, alert_cmd, dosyslog);
|
||||
close(fd1);
|
||||
close(fd2);
|
||||
break;
|
||||
}
|
||||
else Manage_subdevs(st2->devname, fd2, &devlist, -1, 0);
|
||||
}
|
||||
}
|
||||
close(fd1);
|
||||
close(fd2);
|
||||
}
|
||||
}
|
||||
}
|
||||
/* Not really Monitor but ... */
|
||||
int Wait(char *dev)
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue