重新启动后，服务器上的卷组完全消失。
[root@dal01 log]# vgdisplay No volume groups found [root@dal01 /]# lvdisplay No volume groups found [root@dal01 ~]# pvdisplay (pvdisplay displays nothing) [root@dal01 log]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 97G 72G 21G 78% / tmpfs 12G 0 12G 0% /dev/shm [root@dal01 vg_dal01]# sudo blkid /dev/sda1: UUID="92622347-3d12-4f02-bc38-093eba3e607b" TYPE="ext4" /dev/sda3: UUID="EUBjbv-JVpH-6QLv-yAxX-dopZ-CDHg-BOcpXa" TYPE="LVM2_member" [root@dal01 log]# fdisk -l WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 4000.0 GB, 3999977701376 bytes 255 heads, 63 sectors/track, 486302 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/sda1 1 267350 2147483647+ ee GPT [root@dal01 log]# vgcfgrestore说：
[root@dal01 backup]# vgcfgrestore vg_dal01 Couldn't find device with uuid EUBjbv-JVpH-6QLv-yAxX-dopZ-CDHg-BOcpXa. Cannot restore Volume Group vg_dal01 with 1 PVs marked as missing. Restore failed.
还有一个备份：
[root@dal01 backup]# cat /etc/lvm/backup/vg_dal01 # Generated by LVM2 version 2.02.100(2)-RHEL6 (2013-10-23): Wed Dec 11 01:56:09 2013 contents = "Text Format Volume Group" version = 1 description = "Created *after* executing 'lvcreate -n kvm109_img_4 --size 5120m vg_dal01'" creation_host = "myserver" # Linux myserver 2.6.32-358.el6.x86_64 #1 SMP Fri Feb 22 00:31:26 UTC 2013 x86_64 creation_time = 1386744969 # Wed Dec 11 01:56:09 2013 vg_dal01 { id = "hahYN8-jcKS-sSVi-RAcp-lOSh-0Mfl-gerfKs" seqno = 21 format = "lvm2" # informational status = ["RESIZEABLE", "READ", "WRITE"] flags = [] extent_size = 65536 # 32 Megabytes max_lv = 0 max_pv = 0 metadata_copies = 0 physical_volumes { pv0 { id = "EUBjbv-JVpH-6QLv-yAxX-dopZ-CDHg-BOcpXa" device = "/dev/sda3" # Hint only status = ["ALLOCATABLE"] flags = [] dev_size = 7573082112 # 3.52649 Terabytes pe_start = 2048 pe_count = 115556 # 3.52649 Terabytes } } logical_volumes { kvm102_img { id = "dzpPcD-Dw31-fYDV-8OTv-YuX4-HWK1-mWnKR8" status = ["READ", "WRITE", "VISIBLE"] flags = [] creation_host = "myserver" creation_time = 1384023518 # 2013-11-09 13:58:38 -0500 segment_count = 1 segment1 { start_extent = 0 extent_count = 3200 # 100 Gigabytes type = "striped" stripe_count = 1 # linear stripes = [ "pv0", 0 ] } } kvm108_img { id = "odqzve-SWLr-pKsH-4Qj4-lflF-mFBn-6l6Lu3" status = ["READ", "WRITE", "VISIBLE"] flags = [] creation_host = "myserver" creation_time = 1384086241 # 2013-11-10 07:24:01 -0500 segment_count = 1 segment1 { start_extent = 0 extent_count = 6400 # 200 Gigabytes type = "striped" stripe_count = 1 # linear stripes = [ "pv0", 3200 ] } } kvm109_img { id = "RBTo23-NOq2-rcI1-slnN-jYeM-rHZu-IYzR4T" status = ["READ", "WRITE", "VISIBLE"] flags = [] creation_host = "myserver" creation_time = 1384122997 # 2013-11-10 17:36:37 -0500 segment_count = 1 segment1 { start_extent = 0 extent_count = 320 # 10 Gigabytes type = "striped" stripe_count = 1 # linear stripes = [ "pv0", 9600 ] } } kvm110_img { id = "op2Hez-UiDs-Nm6M-OuI6-1uaJ-cc9H-jJDH4q" status = ["READ", "WRITE", "VISIBLE"] flags = [] creation_host = "myserver" creation_time = 1385452338 # 2013-11-26 02:52:18 -0500 segment_count = 1 segment1 { start_extent = 0 extent_count = 27200 # 850 Gigabytes type = "striped" stripe_count = 1 # linear stripes = [ "pv0", 9920 ] } } kvm110_img_3 { id = "Zsm1Yj-QrZH-okcf-KhF6-ic1M-tNpF-jrA3Sh" status = ["READ", "WRITE", "VISIBLE"] flags = [] creation_host = "myserver" creation_time = 1386744381 # 2013-12-11 01:46:21 -0500 segment_count = 1 segment1 { start_extent = 0 extent_count = 12800 # 400 Gigabytes type = "striped" stripe_count = 1 # linear stripes = [ "pv0", 37120 ] } } kvm109_img_4 { id = "w98qm2-0pK0-xjW4-1lyj-UNP0-xc1F-FeeSVK" status = ["READ", "WRITE", "VISIBLE"] flags = [] creation_host = "myserver" creation_time = 1386744969 # 2013-12-11 01:56:09 -0500 segment_count = 1 segment1 { start_extent = 0 extent_count = 160 # 5 Gigabytes type = "striped" stripe_count = 1 # linear stripes = [ "pv0", 49920 ] } } } }
不过，我想确保我仍然可以恢复它，而不会搞乱它。
我发现这个链接： http ： //www.centos.org/docs/5/html/Cluster_Logical_Volume_Manager/mdatarecover.html，但我不知道这是要走的路。
有人帮忙，请吗？
更新：分区表：
[root@dal01 ~]# parted -l Model: AMCC 9650SE-4LP DISK (scsi) Disk /dev/sda: 4000GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 1049kB 107GB 107GB ext4 boot 2 107GB 125GB 17.2GB 3 125GB 4000GB 3875GB lvm
UPDATE2：我设法恢复卷组，但所有的LVM似乎损坏。
Number Start End Size File system Name Flags 1 1049kB 107GB 107GB ext4 boot 2 107GB 125GB 17.2GB 3 125GB 4000GB 3875GB lvm Error: /dev/mapper/vg_dal01-kvm102_img: unrecognised disk label Error: /dev/mapper/vg_dal01-kvm108_img: unrecognised disk label Error: /dev/mapper/vg_dal01-kvm110_img: unrecognised disk label Error: /dev/mapper/vg_dal01-kvm119: unrecognised disk label Error: /dev/mapper/vg_dal01-kvm110_img_3: unrecognised disk label Error: /dev/mapper/vg_dal01-kvm109_img: unrecognised disk label
有什么build议么？