我的KVM主机在LVM卷上运行VM时遇到了问题.截至昨晚,逻辑卷不再是这样(我无法创建它们的快照,即使我已经好几个月了).

运行任何扫描都会导致找不到任何内容：

[root@apollo ~]# pvscan

No matching physical volumes found

[root@apollo ~]# vgscan

Reading all physical volumes. This may take a while...

No volume groups found

root@apollo ~]# lvscan

No volume groups found

如果我尝试从/ etc / lvm / backups / vg0恢复VG conf备份,我会收到以下错误：

[root@apollo ~]# vgcfgrestore -f /etc/lvm/backup/vg0 vg0

Couldn't find device with uuid 20zG25-H8MU-UQPf-u0hD-NftW-ngsC-mG63dt.

Cannot restore Volume Group vg0 with 1 PVs marked as missing.

Restore failed.

/ etc / lvm / backups / vg0具有以下物理卷：

physical_volumes {

pv0 {

id = "20zG25-H8MU-UQPf-u0hD-NftW-ngsC-mG63dt"

device = "/dev/sda5" # Hint only

status = ["ALLOCATABLE"]

flags = []

dev_size = 4292870143 # 1.99902 Terabytes

pe_start = 384

pe_count = 524031 # 1.99902 Terabytes

}

}

fdisk -l / dev / sda显示以下内容：

[root@apollo ~]# fdisk -l /dev/sda

Disk /dev/sda: 6000.1 GB, 6000069312512 bytes

64 heads, 32 sectors/track, 5722112 cylinders

Units = cylinders of 2048 * 512 = 1048576 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x000188b7

Device Boot Start End Blocks Id System

/dev/sda1 2 32768 33553408 82 Linux swap / Solaris

/dev/sda2 32769 33280 524288 83 Linux

/dev/sda3 33281 1081856 1073741824 83 Linux

/dev/sda4 1081857 3177984 2146435072 85 Linux extended

/dev/sda5 1081857 3177984 2146435071+ 8e Linux LVM

服务器正在运行4磁盘硬盘RAID10,根据megacli和smartd看起来非常健康.

/ var / log / messages中唯一奇怪的消息是每隔几小时出现的以下信息：

Jun 10 09:41:57 apollo udevd[527]: failed to create queue file: No space left on device

输出df -h

[root@apollo ~]# df -h

Filesystem Size Used Avail Use% Mounted on

/dev/sda3 1016G 119G 847G 13% /

/dev/sda2 508M 67M 416M 14% /boot

有没有人有任何想法下一步做什么？除了无法对它们进行快照之外,VM目前都运行良好.

更新了额外信息

这不是缺少inode：

[root@apollo ~]# df -i

Filesystem Inodes IUsed IFree IUse% Mounted on

/dev/sda3 67108864 48066 67060798 1% /

/dev/sda2 32768 47 32721 1% /boot

pvs,vgs& lvs要么输出任何内容,要么“找不到卷组”.