435d4ebb2e
From: Luca Berra <bluca@comedia.it> - Fix a bug where mdassemble didn't close a filedescriptor and so couldn't assembele stacked arrays. - Allow mdassemble, when run a second time, to mark all arrays as writable. This is useful if they are started read-only as is best at boot-time.
105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/*
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* mdassemble - assemble Linux "md" devices aka RAID arrays.
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*
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* Copyright (C) 2001-2006 Neil Brown <neilb@suse.de>
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* Copyright (C) 2003 Luca Berra <bluca@vodka.it>
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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@cse.unsw.edu.au>
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* Paper: Neil Brown
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* School of Computer Science and Engineering
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* The University of New South Wales
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* Sydney, 2052
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* Australia
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*/
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#include "mdadm.h"
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#include "md_p.h"
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/* from readme.c */
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mapping_t pers[] = {
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{ "linear", -1},
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{ "raid0", 0},
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{ "0", 0},
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{ "stripe", 0},
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{ "raid1", 1},
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{ "1", 1},
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{ "mirror", 1},
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{ "raid4", 4},
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{ "4", 4},
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{ "raid5", 5},
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{ "5", 5},
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{ "multipath", -4},
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{ "mp", -4},
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{ "raid6", 6},
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{ "6", 6},
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{ "raid10", 10},
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{ "10", 10},
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{ NULL, 0}
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};
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#ifndef MDASSEMBLE_AUTO
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/* from mdopen.c */
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int open_mddev(char *dev, int autof/*unused */)
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{
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int mdfd = open(dev, O_RDWR, 0);
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if (mdfd < 0)
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fprintf(stderr, Name ": error opening %s: %s\n",
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dev, strerror(errno));
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else if (md_get_version(mdfd) <= 0) {
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fprintf(stderr, Name ": %s does not appear to be an md device\n",
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dev);
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close(mdfd);
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mdfd = -1;
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}
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return mdfd;
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}
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#endif
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int rv;
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int mdfd = -1;
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int runstop = 0;
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int readonly = 0;
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int verbose = 0;
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int force = 0;
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int main(int argc, char *argv[]) {
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mddev_ident_t array_list = conf_get_ident(NULL);
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if (!array_list) {
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fprintf(stderr, Name ": No arrays found in config file\n");
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rv = 1;
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} else
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for (; array_list; array_list = array_list->next) {
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mdu_array_info_t array;
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mdfd = open_mddev(array_list->devname, array_list->autof);
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if (mdfd < 0) {
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rv |= 1;
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continue;
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}
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if (ioctl(mdfd, GET_ARRAY_INFO, &array) < 0) {
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rv |= Assemble(array_list->st, array_list->devname, mdfd,
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array_list, NULL, NULL,
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readonly, runstop, NULL, NULL, verbose, force);
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} else {
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rv |= Manage_ro(array_list->devname, mdfd, -1); /* make it readwrite */
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}
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close(mdfd);
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}
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return rv;
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}
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