我有一个使用PV / dev / md1和/ dev / md2的VG。 现在在/ dev / md1中有一个硬盘失败 ：
[root@xenserver1 ~]# cat /proc/mdstat Personalities : [raid1] md1 : active raid1 sda3[0] 382320128 blocks [2/1] [U_] md2 : active raid1 sdc4[0] sdd4[1] 1562805632 blocks [2/2] [UU] md0 : active raid1 sda1[0] 4194240 blocks [2/1] [U_] unused devices: <none> 因为那样， 我得到以下的LVM错误 ：
[root@xenserver1 ~]# pvscan WARNING: Volume Group VG_XenStorage-00c0d7a2-7054-c4fc-414a-e6c6a43b9cca is not consistent PV /dev/md1 VG VG_XenStorage-00c0d7a2-7054-c4fc-414a-e6c6a43b9cca lvm2 [364.61 GB / 150.25 GB free] PV /dev/md2 VG VG_XenStorage-00c0d7a2-7054-c4fc-414a-e6c6a43b9cca lvm2 [1.46 TB / 1.35 TB free] Total: 2 [1.81 TB] / in use: 2 [1.81 TB] / in no VG: 0 [0 ]
我试过vgcfgrestore --file /etc/lvm/backup/VG_XenStorage-00c0d7a2-7054-c4fc-414a-e6c6a43b9cca VG_XenStorage-00c0d7a2-7054-c4fc-414a-e6c6a43b9cca ，但没有成功。
如果我execeute vgscan我得到 ：
[root@xenserver1 ~]# vgscan Reading all physical volumes. This may take a while... Volume group "VG_XenStorage-00c0d7a2-7054-c4fc-414a-e6c6a43b9cca" inconsistent, run as master to correct *** glibc detected *** vgscan: corrupted double-linked list: 0x09048780 *** ======= Backtrace: ========= /lib/libc.so.6[0xb75b9629] /lib/libc.so.6(cfree+0x59)[0xb75b99e9] /lib/libdevmapper.so.1.02(dm_pool_destroy+0x3b)[0xb779bd5b] vgscan(vg_release+0x38)[0x80a8dc8] vgscan[0x806cc2a] vgscan(process_each_vg+0x12c)[0x806d96c] vgscan(vgscan+0x13c)[0x80755ec] vgscan(lvm_run_command+0x11e5)[0x8060175] vgscan(lvm2_main+0x4ca)[0x806067a] vgscan(main+0x32)[0x80772d2] /lib/libc.so.6(__libc_start_main+0xdc)[0xb7565e9c] vgscan[0x8053421] ======= Memory map: ======== 08048000-080f9000 r-xp 00000000 09:00 478343 /usr/sbin/lvm 080f9000-080fe000 rw-p 000b1000 09:00 478343 /usr/sbin/lvm 080fe000-08105000 rw-p 00000000 00:00 0 09003000-09068000 rw-p 00000000 00:00 0 [heap] b7200000-b7221000 rw-p 00000000 00:00 0 b7221000-b7300000 ---p 00000000 00:00 0 b7336000-b7341000 r-xp 00000000 09:00 327931 /lib/libgcc_s-4.1.2-20080825.so.1 b7341000-b7342000 rw-p 0000a000 09:00 327931 /lib/libgcc_s-4.1.2-20080825.so.1 b7347000-b734e000 r--s 00000000 09:00 410934 /usr/lib/gconv/gconv-modules.cache b734e000-b754e000 r--p 00000000 09:00 410974 /usr/lib/locale/locale-archive b754e000-b7550000 rw-p 00000000 00:00 0 b7550000-b76a2000 r-xp 00000000 09:00 327906 /lib/libc-2.5.so b76a2000-b76a4000 r--p 00152000 09:00 327906 /lib/libc-2.5.so b76a4000-b76a5000 rw-p 00154000 09:00 327906 /lib/libc-2.5.so b76a5000-b76a8000 rw-p 00000000 00:00 0 b76a8000-b76e8000 r-xp 00000000 09:00 410540 /usr/lib/libncurses.so.5.5 b76e8000-b76f0000 rw-p 00040000 09:00 410540 /usr/lib/libncurses.so.5.5 b76f0000-b76f1000 rw-p 00000000 00:00 0 b76f1000-b76f4000 r-xp 00000000 09:00 327921 /lib/libdl-2.5.so b76f4000-b76f5000 r--p 00002000 09:00 327921 /lib/libdl-2.5.so b76f5000-b76f6000 rw-p 00003000 09:00 327921 /lib/libdl-2.5.so b76f6000-b7731000 r-xp 00000000 09:00 327957 /lib/libsepol.so.1 b7731000-b7732000 rw-p 0003b000 09:00 327957 /lib/libsepol.so.1 b7732000-b773c000 rw-p 00000000 00:00 0 b773c000-b7752000 r-xp 00000000 09:00 327956 /lib/libselinux.so.1 b7752000-b7754000 rw-p 00015000 09:00 327956 /lib/libselinux.so.1 b7754000-b7783000 r-xp 00000000 09:00 410572 /usr/lib/libreadline.so.5.1 b7783000-b7787000 rw-p 0002f000 09:00 410572 /usr/lib/libreadline.so.5.1 b7787000-b7789000 rw-p 00000000 00:00 0 b7789000-b77a8000 r-xp 00000000 09:00 327920 /lib/libdevmapper.so.1.02 b77a8000-b77aa000 rw-p 0001e000 09:00 327920 /lib/libdevmapper.so.1.02 b77aa000-b77bf000 r-xp 00000000 09:00 327953 /lib/libpthread-2.5.so b77bf000-b77c0000 r--p 00015000 09:00 327953 /lib/libpthread-2.5.so b77c0000-b77c1000 rw-p 00016000 09:00 327953 /lib/libpthread-2.5.so b77c1000-b77c3000 rw-p 00000000 00:00 0 b77c3000-b77c7000 r-xp 00000000 09:00 327918 /lib/libdevmapper-event.so.1.02 b77c7000-b77c8000 rw-p 00003000 09:00 327918 /lib/libdevmapper-event.so.1.02 b77cb000-b77cc000 rw-p 00000000 00:00 0 b77cc000-b77cd000 r--p 00796000 09:00 410974 /usr/lib/locale/locale-archive b77cd000-b77ce000 rw-p 00000000 00:00 0 b77ce000-b77cf000 r-xp 00000000 00:00 0 [vdso] b77cf000-b77ea000 r-xp 00000000 09:00 327897 /lib/ld-2.5.so b77ea000-b77eb000 r--p 0001a000 09:00 327897 /lib/ld-2.5.so b77eb000-b77ec000 rw-p 0001b000 09:00 327897 /lib/ld-2.5.so bfd24000-bfd39000 rw-p 00000000 00:00 0 [stack] Aborted
有没有可能在这个VG上恢复LV？ 什么run as master to correct意味着什么？
编辑
这是mdadm -D /dev/md1的输出
[root@xenserver1 ~]# mdadm -D /dev/md1 /dev/md1: Version : 0.90 Creation Time : Thu Sep 22 23:14:42 2011 Raid Level : raid1 Array Size : 382320128 (364.61 GiB 391.50 GB) Used Dev Size : 382320128 (364.61 GiB 391.50 GB) Raid Devices : 2 Total Devices : 1 Preferred Minor : 1 Persistence : Superblock is persistent Update Time : Sat Dec 7 01:25:25 2013 State : clean, degraded Active Devices : 1 Working Devices : 1 Failed Devices : 0 Spare Devices : 0 UUID : 3d3c12fd:51ab6cd6:83470809:bba18a55 Events : 0.49196839 Number Major Minor RaidDevice State 0 8 3 0 active sync /dev/sda3 1 0 0 1 removed
EDIT2
Raid / dev / md1现在再次清理
[root@xenserver1 ~]# mdadm -D /dev/md1 /dev/md1: Version : 0.90 Creation Time : Thu Sep 22 23:14:42 2011 Raid Level : raid1 Array Size : 382320128 (364.61 GiB 391.50 GB) Used Dev Size : 382320128 (364.61 GiB 391.50 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 1 Persistence : Superblock is persistent Update Time : Sat Dec 7 09:14:22 2013 State : clean Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 UUID : 3d3c12fd:51ab6cd6:83470809:bba18a55 Events : 0.49196863 Number Major Minor RaidDevice State 0 8 3 0 active sync /dev/sda3 1 8 67 1 active sync /dev/sde3
EDIT3
如果我想激活VG我得到一个不同的错误消息：
[root@xenserver1 ~]# vgchange VG_XenStorage-00c0d7a2-7054-c4fc-414a-e6c6a43b9cca -ay Volume group "VG_XenStorage-00c0d7a2-7054-c4fc-414a-e6c6a43b9cca" inconsistent, run as master to correct *** glibc detected *** vgchange: double free or corruption (!prev): 0x0a033468 *** ======= Backtrace: ========= /lib/libc.so.6[0xb74e05a5] /lib/libc.so.6(cfree+0x59)[0xb74e09e9] /lib/libdevmapper.so.1.02(dm_pool_destroy+0x3b)[0xb76c2d5b] vgchange(vg_release+0x38)[0x80a8dc8] vgchange[0x806cc2a] vgchange(process_each_vg+0x3b5)[0x806dbf5] vgchange(vgchange+0x347)[0x806ee37] vgchange(lvm_run_command+0x11e5)[0x8060175] vgchange(lvm2_main+0x4ca)[0x806067a] vgchange(main+0x32)[0x80772d2] /lib/libc.so.6(__libc_start_main+0xdc)[0xb748ce9c] vgchange[0x8053421] ======= Memory map: ======== 08048000-080f9000 r-xp 00000000 09:00 478343 /usr/sbin/lvm 080f9000-080fe000 rw-p 000b1000 09:00 478343 /usr/sbin/lvm 080fe000-08105000 rw-p 00000000 00:00 0 09ff1000-0a058000 rw-p 00000000 00:00 0 [heap] b725d000-b7268000 r-xp 00000000 09:00 327931 /lib/libgcc_s-4.1.2-20080825.so.1 b7268000-b7269000 rw-p 0000a000 09:00 327931 /lib/libgcc_s-4.1.2-20080825.so.1 b726e000-b7275000 r--s 00000000 09:00 410934 /usr/lib/gconv/gconv-modules.cache b7275000-b7475000 r--p 00000000 09:00 410974 /usr/lib/locale/locale-archive b7475000-b7477000 rw-p 00000000 00:00 0 b7477000-b75c9000 r-xp 00000000 09:00 327906 /lib/libc-2.5.so b75c9000-b75cb000 r--p 00152000 09:00 327906 /lib/libc-2.5.so b75cb000-b75cc000 rw-p 00154000 09:00 327906 /lib/libc-2.5.so b75cc000-b75cf000 rw-p 00000000 00:00 0 b75cf000-b760f000 r-xp 00000000 09:00 410540 /usr/lib/libncurses.so.5.5 b760f000-b7617000 rw-p 00040000 09:00 410540 /usr/lib/libncurses.so.5.5 b7617000-b7618000 rw-p 00000000 00:00 0 b7618000-b761b000 r-xp 00000000 09:00 327921 /lib/libdl-2.5.so b761b000-b761c000 r--p 00002000 09:00 327921 /lib/libdl-2.5.so b761c000-b761d000 rw-p 00003000 09:00 327921 /lib/libdl-2.5.so b761d000-b7658000 r-xp 00000000 09:00 327957 /lib/libsepol.so.1 b7658000-b7659000 rw-p 0003b000 09:00 327957 /lib/libsepol.so.1 b7659000-b7663000 rw-p 00000000 00:00 0 b7663000-b7679000 r-xp 00000000 09:00 327956 /lib/libselinux.so.1 b7679000-b767b000 rw-p 00015000 09:00 327956 /lib/libselinux.so.1 b767b000-b76aa000 r-xp 00000000 09:00 410572 /usr/lib/libreadline.so.5.1 b76aa000-b76ae000 rw-p 0002f000 09:00 410572 /usr/lib/libreadline.so.5.1 b76ae000-b76b0000 rw-p 00000000 00:00 0 b76b0000-b76cf000 r-xp 00000000 09:00 327920 /lib/libdevmapper.so.1.02 b76cf000-b76d1000 rw-p 0001e000 09:00 327920 /lib/libdevmapper.so.1.02 b76d1000-b76e6000 r-xp 00000000 09:00 327953 /lib/libpthread-2.5.so b76e6000-b76e7000 r--p 00015000 09:00 327953 /lib/libpthread-2.5.so b76e7000-b76e8000 rw-p 00016000 09:00 327953 /lib/libpthread-2.5.so b76e8000-b76ea000 rw-p 00000000 00:00 0 b76ea000-b76ee000 r-xp 00000000 09:00 327918 /lib/libdevmapper-event.so.1.02 b76ee000-b76ef000 rw-p 00003000 09:00 327918 /lib/libdevmapper-event.so.1.02 b76f3000-b76f4000 r--p 00796000 09:00 410974 /usr/lib/locale/locale-archive b76f4000-b76f5000 rw-p 00000000 00:00 0 b76f5000-b76f6000 r-xp 00000000 00:00 0 [vdso] b76f6000-b7711000 r-xp 00000000 09:00 327897 /lib/ld-2.5.so b7711000-b7712000 r--p 0001a000 09:00 327897 /lib/ld-2.5.so b7712000-b7713000 rw-p 0001b000 09:00 327897 /lib/ld-2.5.so bff17000-bff2c000 rw-p 00000000 00:00 0 [stack] Aborted