769 lines
21 KiB
C
769 lines
21 KiB
C
/*
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* mdadm - manage Linux "md" devices aka RAID arrays.
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*
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* Copyright (C) 2001-2013 Neil Brown <neilb@suse.de>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Neil Brown
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* Email: <neilb@suse.de>
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*/
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#include "mdadm.h"
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#include "md_p.h"
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#include "md_u.h"
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#include <dirent.h>
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static int cmpstringp(const void *p1, const void *p2)
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{
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return strcmp(* (char * const *) p1, * (char * const *) p2);
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}
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static int add_device(const char *dev, char ***p_devices,
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int *p_max_devices, int n_devices)
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{
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if (n_devices + 1 >= *p_max_devices) {
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*p_max_devices += 16;
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*p_devices = xrealloc(*p_devices, *p_max_devices *
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sizeof(**p_devices));
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if (!*p_devices) {
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*p_max_devices = 0;
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return 0;
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}
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};
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(*p_devices)[n_devices] = xstrdup(dev);
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return n_devices + 1;
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}
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int Detail(char *dev, struct context *c)
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{
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/*
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* Print out details for an md array by using
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* GET_ARRAY_INFO and GET_DISK_INFO ioctl calls
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*/
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int fd = open(dev, O_RDONLY);
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int vers;
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mdu_array_info_t array;
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mdu_disk_info_t *disks;
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int next;
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int d;
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time_t atime;
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char *str;
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char **devices = NULL;
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int max_devices = 0, n_devices = 0;
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int spares = 0;
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struct stat stb;
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int is_26 = get_linux_version() >= 2006000;
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int is_rebuilding = 0;
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int failed = 0;
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struct supertype *st;
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char *subarray = NULL;
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int max_disks = MD_SB_DISKS; /* just a default */
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struct mdinfo *info = NULL;
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struct mdinfo *sra;
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struct mdinfo *subdev;
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char *member = NULL;
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char *container = NULL;
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int rv = c->test ? 4 : 1;
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int avail_disks = 0;
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char *avail = NULL;
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int external;
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int inactive;
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if (fd < 0) {
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pr_err("cannot open %s: %s\n",
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dev, strerror(errno));
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return rv;
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}
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vers = md_get_version(fd);
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if (vers < 0) {
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pr_err("%s does not appear to be an md device\n",
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dev);
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close(fd);
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return rv;
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}
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if (vers < 9000) {
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pr_err("cannot get detail for md device %s: driver version too old.\n",
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dev);
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close(fd);
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return rv;
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}
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sra = sysfs_read(fd, NULL, GET_VERSION|GET_DEVS);
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external = (sra != NULL && sra->array.major_version == -1
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&& sra->array.minor_version == -2);
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st = super_by_fd(fd, &subarray);
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if (ioctl(fd, GET_ARRAY_INFO, &array) == 0) {
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inactive = 0;
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} else if (errno == ENODEV && sra) {
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array = sra->array;
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inactive = 1;
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} else {
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pr_err("cannot get array detail for %s: %s\n",
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dev, strerror(errno));
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close(fd);
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return rv;
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}
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if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode))
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stb.st_rdev = 0;
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rv = 0;
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if (st)
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max_disks = st->max_devs;
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if (subarray) {
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/* This is a subarray of some container.
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* We want the name of the container, and the member
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*/
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dev_t devid = devnm2devid(st->container_devnm);
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int cfd, err;
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member = subarray;
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container = map_dev_preferred(major(devid), minor(devid),
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1, c->prefer);
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cfd = open_dev(st->container_devnm);
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if (cfd >= 0) {
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err = st->ss->load_container(st, cfd, NULL);
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close(cfd);
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if (err == 0)
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info = st->ss->container_content(st, subarray);
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}
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}
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/* try to load a superblock. Try sra->devs first, then try ioctl */
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if (st && !info) for (d = 0, subdev = sra ? sra->devs : NULL;
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d < max_disks || subdev;
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subdev ? (void)(subdev = subdev->next) : (void)(d++)){
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mdu_disk_info_t disk;
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char *dv;
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int fd2;
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int err;
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if (subdev)
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disk = subdev->disk;
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else {
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disk.number = d;
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if (ioctl(fd, GET_DISK_INFO, &disk) < 0)
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continue;
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if (d >= array.raid_disks &&
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disk.major == 0 &&
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disk.minor == 0)
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continue;
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}
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if (array.raid_disks > 0 &&
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(disk.state & (1 << MD_DISK_ACTIVE)) == 0)
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continue;
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dv = map_dev(disk.major, disk.minor, 1);
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if (!dv)
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continue;
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fd2 = dev_open(dv, O_RDONLY);
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if (fd2 < 0)
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continue;
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if (st->sb)
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st->ss->free_super(st);
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err = st->ss->load_super(st, fd2, NULL);
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close(fd2);
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if (err)
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continue;
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if (info)
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free(info);
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if (subarray)
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info = st->ss->container_content(st, subarray);
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else {
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info = xmalloc(sizeof(*info));
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st->ss->getinfo_super(st, info, NULL);
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}
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if (!info)
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continue;
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if (array.raid_disks != 0 && /* container */
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(info->array.ctime != array.ctime ||
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info->array.level != array.level)) {
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st->ss->free_super(st);
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continue;
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}
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/* some formats (imsm) have free-floating-spares
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* with a uuid of uuid_zero, they don't
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* have very good info about the rest of the
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* container, so keep searching when
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* encountering such a device. Otherwise, stop
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* after the first successful call to
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* ->load_super.
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*/
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if (memcmp(uuid_zero,
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info->uuid,
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sizeof(uuid_zero)) == 0) {
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st->ss->free_super(st);
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continue;
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}
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break;
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}
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/* Ok, we have some info to print... */
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str = map_num(pers, array.level);
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if (c->export) {
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if (array.raid_disks) {
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if (str)
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printf("MD_LEVEL=%s\n", str);
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printf("MD_DEVICES=%d\n", array.raid_disks);
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} else {
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if (!inactive)
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printf("MD_LEVEL=container\n");
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printf("MD_DEVICES=%d\n", array.nr_disks);
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}
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if (container) {
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printf("MD_CONTAINER=%s\n", container);
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printf("MD_MEMBER=%s\n", member);
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} else {
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if (sra && sra->array.major_version < 0)
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printf("MD_METADATA=%s\n", sra->text_version);
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else
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printf("MD_METADATA=%d.%d\n",
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array.major_version, array.minor_version);
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}
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if (st && st->sb && info) {
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char nbuf[64];
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struct map_ent *mp, *map = NULL;
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fname_from_uuid(st, info, nbuf, ':');
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printf("MD_UUID=%s\n", nbuf+5);
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mp = map_by_uuid(&map, info->uuid);
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if (mp && mp->path &&
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strncmp(mp->path, "/dev/md/", 8) == 0) {
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printf("MD_DEVNAME=");
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print_escape(mp->path+8);
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putchar('\n');
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}
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if (st->ss->export_detail_super)
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st->ss->export_detail_super(st);
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} else {
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struct map_ent *mp, *map = NULL;
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char nbuf[64];
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mp = map_by_devnm(&map, fd2devnm(fd));
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if (mp) {
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__fname_from_uuid(mp->uuid, 0, nbuf, ':');
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printf("MD_UUID=%s\n", nbuf+5);
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}
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if (mp && mp->path &&
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strncmp(mp->path, "/dev/md/", 8) == 0) {
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printf("MD_DEVNAME=");
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print_escape(mp->path+8);
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putchar('\n');
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}
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}
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if (sra) {
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struct mdinfo *mdi;
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for (mdi = sra->devs; mdi; mdi = mdi->next) {
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char *path =
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map_dev(mdi->disk.major,
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mdi->disk.minor, 0);
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if (mdi->disk.raid_disk >= 0)
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printf("MD_DEVICE_%s_ROLE=%d\n",
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mdi->sys_name+4,
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mdi->disk.raid_disk);
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else
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printf("MD_DEVICE_%s_ROLE=spare\n",
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mdi->sys_name+4);
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if (path)
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printf("MD_DEVICE_%s_DEV=%s\n",
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mdi->sys_name+4, path);
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}
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}
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goto out;
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}
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disks = xmalloc(max_disks * 2 * sizeof(mdu_disk_info_t));
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for (d = 0; d < max_disks * 2; d++) {
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disks[d].state = (1<<MD_DISK_REMOVED);
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disks[d].major = disks[d].minor = 0;
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disks[d].number = -1;
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disks[d].raid_disk = d/2;
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}
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next = array.raid_disks*2;
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if (inactive) {
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struct mdinfo *mdi;
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if (sra != NULL)
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for (mdi = sra->devs; mdi; mdi = mdi->next) {
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disks[next++] = mdi->disk;
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disks[next-1].number = -1;
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}
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} else for (d = 0; d < max_disks; d++) {
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mdu_disk_info_t disk;
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disk.number = d;
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if (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
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if (d < array.raid_disks)
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pr_err("cannot get device detail for device %d: %s\n",
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d, strerror(errno));
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continue;
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}
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if (disk.major == 0 && disk.minor == 0)
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continue;
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if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks
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&& disks[disk.raid_disk*2].state == (1<<MD_DISK_REMOVED))
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disks[disk.raid_disk*2] = disk;
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else if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks
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&& disks[disk.raid_disk*2+1].state == (1<<MD_DISK_REMOVED)
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&& !(disk.state & (1<<MD_DISK_JOURNAL)))
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disks[disk.raid_disk*2+1] = disk;
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else if (next < max_disks*2)
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disks[next++] = disk;
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}
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avail = xcalloc(array.raid_disks, 1);
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for (d= 0; d < array.raid_disks; d++) {
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if ((disks[d*2].state & (1<<MD_DISK_SYNC)) ||
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(disks[d*2+1].state & (1<<MD_DISK_SYNC))) {
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avail_disks ++;
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avail[d] = 1;
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} else
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rv |= !! c->test;
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}
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if (c->brief) {
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mdu_bitmap_file_t bmf;
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printf("%sARRAY %s", inactive ? "INACTIVE-":"", dev);
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if (c->verbose > 0) {
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if (array.raid_disks)
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printf(" level=%s num-devices=%d",
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str?str:"-unknown-",
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array.raid_disks );
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else if (!inactive)
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printf(" level=container num-devices=%d",
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array.nr_disks);
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else
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printf(" num-devices=%d", array.nr_disks);
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}
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if (container) {
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printf(" container=%s", container);
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printf(" member=%s", member);
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} else {
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if (sra && sra->array.major_version < 0)
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printf(" metadata=%s", sra->text_version);
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else
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printf(" metadata=%d.%d",
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array.major_version, array.minor_version);
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}
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/* Only try GET_BITMAP_FILE for 0.90.01 and later */
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if (vers >= 9001 &&
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ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
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bmf.pathname[0]) {
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printf(" bitmap=%s", bmf.pathname);
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}
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} else {
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mdu_bitmap_file_t bmf;
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unsigned long long larray_size;
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struct mdstat_ent *ms = mdstat_read(0, 0);
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struct mdstat_ent *e;
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char *devnm;
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devnm = stat2devnm(&stb);
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for (e=ms; e; e=e->next)
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if (strcmp(e->devnm, devnm) == 0)
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break;
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if (!get_dev_size(fd, NULL, &larray_size))
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larray_size = 0;
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printf("%s:\n", dev);
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if (container)
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printf(" Container : %s, member %s\n", container, member);
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else {
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if (sra && sra->array.major_version < 0)
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printf(" Version : %s\n", sra->text_version);
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else
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printf(" Version : %d.%d\n",
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array.major_version, array.minor_version);
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}
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atime = array.ctime;
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if (atime)
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printf(" Creation Time : %.24s\n", ctime(&atime));
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if (array.raid_disks == 0 && external)
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str = "container";
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if (str)
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printf(" Raid Level : %s\n", str);
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if (larray_size)
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printf(" Array Size : %llu%s\n", (larray_size>>10),
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human_size(larray_size));
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if (array.level >= 1) {
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if (sra)
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array.major_version = sra->array.major_version;
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if (array.major_version != 0 &&
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(larray_size >= 0xFFFFFFFFULL|| array.size == 0)) {
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unsigned long long dsize = get_component_size(fd);
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if (dsize > 0)
|
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printf(" Used Dev Size : %llu%s\n",
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dsize/2,
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human_size((long long)dsize<<9));
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else
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printf(" Used Dev Size : unknown\n");
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} else
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printf(" Used Dev Size : %lu%s\n",
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(unsigned long)array.size,
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human_size((unsigned long long)array.size<<10));
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}
|
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if (array.raid_disks)
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printf(" Raid Devices : %d\n", array.raid_disks);
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printf(" Total Devices : %d\n", array.nr_disks);
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if (!container &&
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((sra == NULL && array.major_version == 0) ||
|
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(sra && sra->array.major_version == 0)))
|
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printf("Preferred Minor : %d\n", array.md_minor);
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if (sra == NULL || sra->array.major_version >= 0)
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printf(" Persistence : Superblock is %spersistent\n",
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array.not_persistent?"not ":"");
|
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printf("\n");
|
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/* Only try GET_BITMAP_FILE for 0.90.01 and later */
|
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if (vers >= 9001 &&
|
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ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
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bmf.pathname[0]) {
|
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printf(" Intent Bitmap : %s\n", bmf.pathname);
|
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printf("\n");
|
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} else if (array.state & (1<<MD_SB_BITMAP_PRESENT))
|
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printf(" Intent Bitmap : Internal\n\n");
|
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atime = array.utime;
|
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if (atime)
|
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printf(" Update Time : %.24s\n", ctime(&atime));
|
|
if (array.raid_disks) {
|
|
static char *sync_action[] = {
|
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", recovering", ", resyncing",
|
|
", reshaping", ", checking" };
|
|
char *st;
|
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if (avail_disks == array.raid_disks)
|
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st = "";
|
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else if (!enough(array.level, array.raid_disks,
|
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array.layout, 1, avail))
|
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st = ", FAILED";
|
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else
|
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st = ", degraded";
|
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|
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printf(" State : %s%s%s%s%s%s \n",
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(array.state&(1<<MD_SB_CLEAN))?"clean":"active", st,
|
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(!e || (e->percent < 0 && e->percent != RESYNC_PENDING &&
|
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e->percent != RESYNC_DELAYED)) ? "" : sync_action[e->resync],
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larray_size ? "": ", Not Started",
|
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(e && e->percent == RESYNC_DELAYED) ? " (DELAYED)": "",
|
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(e && e->percent == RESYNC_PENDING) ? " (PENDING)": "");
|
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} else if (inactive) {
|
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printf(" State : inactive\n");
|
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}
|
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if (array.raid_disks)
|
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printf(" Active Devices : %d\n", array.active_disks);
|
|
if (array.working_disks > 0)
|
|
printf("Working Devices : %d\n", array.working_disks);
|
|
if (array.raid_disks) {
|
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printf(" Failed Devices : %d\n", array.failed_disks);
|
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printf(" Spare Devices : %d\n", array.spare_disks);
|
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}
|
|
printf("\n");
|
|
if (array.level == 5) {
|
|
str = map_num(r5layout, array.layout);
|
|
printf(" Layout : %s\n", str?str:"-unknown-");
|
|
}
|
|
if (array.level == 6) {
|
|
str = map_num(r6layout, array.layout);
|
|
printf(" Layout : %s\n", str?str:"-unknown-");
|
|
}
|
|
if (array.level == 10) {
|
|
printf(" Layout :");
|
|
print_r10_layout(array.layout);
|
|
printf("\n");
|
|
}
|
|
switch (array.level) {
|
|
case 0:
|
|
case 4:
|
|
case 5:
|
|
case 10:
|
|
case 6:
|
|
if (array.chunk_size)
|
|
printf(" Chunk Size : %dK\n\n",
|
|
array.chunk_size/1024);
|
|
break;
|
|
case -1:
|
|
printf(" Rounding : %dK\n\n", array.chunk_size/1024);
|
|
break;
|
|
default: break;
|
|
}
|
|
|
|
if (e && e->percent >= 0) {
|
|
static char *sync_action[] = {
|
|
"Rebuild", "Resync",
|
|
"Reshape", "Check"};
|
|
printf(" %7s Status : %d%% complete\n", sync_action[e->resync], e->percent);
|
|
is_rebuilding = 1;
|
|
}
|
|
free_mdstat(ms);
|
|
|
|
if ((st && st->sb) && (info && info->reshape_active)) {
|
|
#if 0
|
|
This is pretty boring
|
|
printf(" Reshape pos'n : %llu%s\n", (unsigned long long) info->reshape_progress<<9,
|
|
human_size((unsigned long long)info->reshape_progress<<9));
|
|
#endif
|
|
if (info->delta_disks != 0)
|
|
printf(" Delta Devices : %d, (%d->%d)\n",
|
|
info->delta_disks,
|
|
array.raid_disks - info->delta_disks,
|
|
array.raid_disks);
|
|
if (info->new_level != array.level) {
|
|
str = map_num(pers, info->new_level);
|
|
printf(" New Level : %s\n", str?str:"-unknown-");
|
|
}
|
|
if (info->new_level != array.level ||
|
|
info->new_layout != array.layout) {
|
|
if (info->new_level == 5) {
|
|
str = map_num(r5layout, info->new_layout);
|
|
printf(" New Layout : %s\n",
|
|
str?str:"-unknown-");
|
|
}
|
|
if (info->new_level == 6) {
|
|
str = map_num(r6layout, info->new_layout);
|
|
printf(" New Layout : %s\n",
|
|
str?str:"-unknown-");
|
|
}
|
|
if (info->new_level == 10) {
|
|
printf(" New Layout : near=%d, %s=%d\n",
|
|
info->new_layout&255,
|
|
(info->new_layout&0x10000)?"offset":"far",
|
|
(info->new_layout>>8)&255);
|
|
}
|
|
}
|
|
if (info->new_chunk != array.chunk_size)
|
|
printf(" New Chunksize : %dK\n", info->new_chunk/1024);
|
|
printf("\n");
|
|
} else if (e && e->percent >= 0)
|
|
printf("\n");
|
|
if (st && st->sb)
|
|
st->ss->detail_super(st, c->homehost);
|
|
|
|
if (array.raid_disks == 0 && sra && sra->array.major_version == -1
|
|
&& sra->array.minor_version == -2 && sra->text_version[0] != '/') {
|
|
/* This looks like a container. Find any active arrays
|
|
* That claim to be a member.
|
|
*/
|
|
DIR *dir = opendir("/sys/block");
|
|
struct dirent *de;
|
|
|
|
printf(" Member Arrays :");
|
|
|
|
while (dir && (de = readdir(dir)) != NULL) {
|
|
char path[200];
|
|
char vbuf[1024];
|
|
int nlen = strlen(sra->sys_name);
|
|
dev_t devid;
|
|
if (de->d_name[0] == '.')
|
|
continue;
|
|
sprintf(path, "/sys/block/%s/md/metadata_version",
|
|
de->d_name);
|
|
if (load_sys(path, vbuf, sizeof(vbuf)) < 0)
|
|
continue;
|
|
if (strncmp(vbuf, "external:", 9) != 0 ||
|
|
!is_subarray(vbuf+9) ||
|
|
strncmp(vbuf+10, sra->sys_name, nlen) != 0 ||
|
|
vbuf[10+nlen] != '/')
|
|
continue;
|
|
devid = devnm2devid(de->d_name);
|
|
printf(" %s", map_dev_preferred(
|
|
major(devid),
|
|
minor(devid), 1, c->prefer));
|
|
}
|
|
if (dir)
|
|
closedir(dir);
|
|
printf("\n\n");
|
|
}
|
|
|
|
if (array.raid_disks)
|
|
printf(" Number Major Minor RaidDevice State\n");
|
|
else
|
|
printf(" Number Major Minor RaidDevice\n");
|
|
}
|
|
free(info);
|
|
|
|
for (d= 0; d < max_disks * 2; d++) {
|
|
char *dv;
|
|
mdu_disk_info_t disk = disks[d];
|
|
|
|
if (d >= array.raid_disks*2 &&
|
|
disk.major == 0 &&
|
|
disk.minor == 0)
|
|
continue;
|
|
if ((d & 1) &&
|
|
disk.major == 0 &&
|
|
disk.minor == 0)
|
|
continue;
|
|
if (!c->brief) {
|
|
if (d == array.raid_disks*2) printf("\n");
|
|
if (disk.number < 0 && disk.raid_disk < 0)
|
|
printf(" - %5d %5d - ",
|
|
disk.major, disk.minor);
|
|
else if (disk.raid_disk < 0 || disk.state & (1<<MD_DISK_JOURNAL))
|
|
printf(" %5d %5d %5d - ",
|
|
disk.number, disk.major, disk.minor);
|
|
else if (disk.number < 0)
|
|
printf(" - %5d %5d %5d ",
|
|
disk.major, disk.minor, disk.raid_disk);
|
|
else
|
|
printf(" %5d %5d %5d %5d ",
|
|
disk.number, disk.major, disk.minor, disk.raid_disk);
|
|
}
|
|
if (!c->brief && array.raid_disks) {
|
|
|
|
if (disk.state & (1<<MD_DISK_FAULTY)) {
|
|
printf(" faulty");
|
|
if (disk.raid_disk < array.raid_disks &&
|
|
disk.raid_disk >= 0)
|
|
failed++;
|
|
}
|
|
if (disk.state & (1<<MD_DISK_ACTIVE)) printf(" active");
|
|
if (disk.state & (1<<MD_DISK_SYNC)) {
|
|
printf(" sync");
|
|
if (array.level == 10 && (array.layout & ~0x1FFFF) == 0) {
|
|
int nc = array.layout & 0xff;
|
|
int fc = (array.layout >> 8) & 0xff;
|
|
int copies = nc*fc;
|
|
if (fc == 1 && array.raid_disks % copies == 0 && copies <= 26) {
|
|
/* We can divide the devices into 'sets' */
|
|
int set = disk.raid_disk % copies;
|
|
printf(" set-%c", set + 'A');
|
|
}
|
|
}
|
|
}
|
|
if (disk.state & (1<<MD_DISK_REMOVED)) printf(" removed");
|
|
if (disk.state & (1<<MD_DISK_WRITEMOSTLY)) printf(" writemostly");
|
|
if (disk.state & (1<<MD_DISK_JOURNAL)) printf(" journal");
|
|
if ((disk.state &
|
|
((1<<MD_DISK_ACTIVE)|(1<<MD_DISK_SYNC)
|
|
|(1<<MD_DISK_REMOVED)|(1<<MD_DISK_FAULTY)|(1<<MD_DISK_JOURNAL)))
|
|
== 0) {
|
|
printf(" spare");
|
|
if (is_26) {
|
|
if (disk.raid_disk < array.raid_disks && disk.raid_disk >= 0)
|
|
printf(" rebuilding");
|
|
} else if (is_rebuilding && failed) {
|
|
/* Taking a bit of a risk here, we remove the
|
|
* device from the array, and then put it back.
|
|
* If this fails, we are rebuilding
|
|
*/
|
|
int err = ioctl(fd, HOT_REMOVE_DISK, makedev(disk.major, disk.minor));
|
|
if (err == 0) ioctl(fd, HOT_ADD_DISK, makedev(disk.major, disk.minor));
|
|
if (err && errno == EBUSY)
|
|
printf(" rebuilding");
|
|
}
|
|
}
|
|
}
|
|
if (disk.state == 0) spares++;
|
|
dv=map_dev_preferred(disk.major, disk.minor, 0, c->prefer);
|
|
if (dv != NULL) {
|
|
if (c->brief)
|
|
n_devices = add_device(dv, &devices,
|
|
&max_devices,
|
|
n_devices);
|
|
else
|
|
printf(" %s", dv);
|
|
}
|
|
if (!c->brief) printf("\n");
|
|
}
|
|
if (spares && c->brief && array.raid_disks) printf(" spares=%d", spares);
|
|
if (c->brief && st && st->sb)
|
|
st->ss->brief_detail_super(st);
|
|
if (st)
|
|
st->ss->free_super(st);
|
|
|
|
if (c->brief && c->verbose > 0 && devices) {
|
|
qsort(devices, n_devices, sizeof(*devices), cmpstringp);
|
|
printf("\n devices=%s", devices[0]);
|
|
for (d = 1; d < n_devices; d++)
|
|
printf(",%s", devices[d]);
|
|
}
|
|
if (c->brief)
|
|
printf("\n");
|
|
if (c->test &&
|
|
!enough(array.level, array.raid_disks, array.layout,
|
|
1, avail))
|
|
rv = 2;
|
|
|
|
free(disks);
|
|
out:
|
|
close(fd);
|
|
free(subarray);
|
|
free(avail);
|
|
for (d = 0; d < n_devices; d++)
|
|
free(devices[d]);
|
|
free(devices);
|
|
sysfs_free(sra);
|
|
return rv;
|
|
}
|
|
|
|
int Detail_Platform(struct superswitch *ss, int scan, int verbose, int export, char *controller_path)
|
|
{
|
|
/* display platform capabilities for the given metadata format
|
|
* 'scan' in this context means iterate over all metadata types
|
|
*/
|
|
int i;
|
|
int err = 1;
|
|
|
|
if (ss && export && ss->export_detail_platform)
|
|
err = ss->export_detail_platform(verbose, controller_path);
|
|
else if (ss && ss->detail_platform)
|
|
err = ss->detail_platform(verbose, 0, controller_path);
|
|
else if (ss) {
|
|
if (verbose > 0)
|
|
pr_err("%s metadata is platform independent\n",
|
|
ss->name ? : "[no name]");
|
|
} else if (!scan) {
|
|
if (verbose > 0)
|
|
pr_err("specify a metadata type or --scan\n");
|
|
}
|
|
|
|
if (!scan)
|
|
return err;
|
|
|
|
err = 0;
|
|
for (i = 0; superlist[i]; i++) {
|
|
struct superswitch *meta = superlist[i];
|
|
|
|
if (meta == ss)
|
|
continue;
|
|
if (verbose > 0)
|
|
pr_err("checking metadata %s\n",
|
|
meta->name ? : "[no name]");
|
|
if (!meta->detail_platform) {
|
|
if (verbose > 0)
|
|
pr_err("%s metadata is platform independent\n",
|
|
meta->name ? : "[no name]");
|
|
} else if (export && meta->export_detail_platform) {
|
|
err |= meta->export_detail_platform(verbose, controller_path);
|
|
} else
|
|
err |= meta->detail_platform(verbose, 0, controller_path);
|
|
}
|
|
|
|
return err;
|
|
}
|