我的 Proxmox 服务器上出现以下错误。过去几天里，这种情况已经发生多次。我如何测试 RAID 硬盘是否有故障？
This is an automatically generated mail message from mdadm
running on myserver
A DegradedArray event had been detected on md device /dev/md2.
Faithfully yours, etc.
P.S. The /proc/mdstat file currently contains the following:
Personalities : [raid1]
md4 : active raid1 sda4[0] sdb4[1]
1931980736 blocks [2/2] [UU]
bitmap: 2/15 pages [8KB], 65536KB chunk
md2 : active raid1 sda2[0]
20478912 blocks [2/1] [U_]
unused devices: <none>
分开
Model: ATA HGST HUS724020AL (scsi)
Disk /dev/sda: 2000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 20.5kB 1049kB 1029kB primary bios_grub
2 2097kB 21.0GB 21.0GB ext3 primary raid
3 21.0GB 22.0GB 1073MB linux-swap(v1) primary raid
4 22.0GB 2000GB 1978GB logical raid
Model: ATA HGST HUS724020AL (scsi)
Disk /dev/sdb: 2000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 20.5kB 1049kB 1029kB primary bios_grub
2 2097kB 21.0GB 21.0GB primary raid
3 21.0GB 22.0GB 1073MB linux-swap(v1) primary
4 22.0GB 2000GB 1978GB logical raid
Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/pve-data: 1974GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0.00B 1974GB 1974GB ext3
Model: Linux Software RAID Array (md)
Disk /dev/md2: 21.0GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0.00B 21.0GB 21.0GB ext3
Error: /dev/md4: unrecognised disk label
Model: Linux Software RAID Array (md)
Disk /dev/md4: 1978GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:
答案1
您可以使用智能控制检查驱动器上的 SMART 数据并运行测试。
smartctl -a /dev/sdb
是一个很好的起点。您还可以运行测试
smartctl -t short /dev/sdb
smartctl -t long /dev/sdb
ETC。
您还可以从系统日志中获取一些信息。