惠普智能陣列；如何安全地從陣列中移除具有 SMART 預測性故障的物理驅動器以便更換？

hpacucli 控制器插槽=1 ld 1 顯示詳細資訊

Smart Array P400 in Slot 1

  array A

     Logical Drive: 1
        Size: 273.3 GB
        Fault Tolerance: RAID 1+0
        Heads: 255
        Sectors Per Track: 32
        Cylinders: 65535
        Stripe Size: 128 KB
        Status: OK
        Array Accelerator: Enabled
        Unique Identifier: xxxx
        Disk Name: /dev/cciss/c0d0
        Mount Points: /boot 196 MB, / 7.8 GB
        Logical Drive Label: xxxxx
        Mirror Group 0:
           physicaldrive 1I:1:8 (port 1I:box 1:bay 8, SAS, 72 GB, Predictive Failure)
           physicaldrive 1I:1:7 (port 1I:box 1:bay 7, SAS, 72 GB, OK)
           physicaldrive 1I:1:6 (port 1I:box 1:bay 6, SAS, 72 GB, OK)
           physicaldrive 1I:1:5 (port 1I:box 1:bay 5, SAS, 72 GB, OK)
        Mirror Group 1:
           physicaldrive 2I:1:4 (port 2I:box 1:bay 4, SAS, 72 GB, OK)
           physicaldrive 2I:1:3 (port 2I:box 1:bay 3, SAS, 72 GB, OK)
           physicaldrive 2I:1:2 (port 2I:box 1:bay 2, SAS, 72 GB, OK)
           physicaldrive 2I:1:1 (port 2I:box 1:bay 1, SAS, 72 GB, OK)

hpacucli 控制器插槽=1 顯示

Smart Array P400 in Slot 1
  Bus Interface: PCI
  Slot: 1
  Serial Number: xxxx
  Cache Serial Number: xxxx
  RAID 6 (ADG) Status: Disabled
  Controller Status: OK
  Chassis Slot:
  Hardware Revision: Rev D
  Firmware Version: 4.06
  Rebuild Priority: Medium
  Expand Priority: Medium
  Surface Scan Delay: 15 secs
  Post Prompt Timeout: 0 secs
  Cache Board Present: True
  Cache Status: OK
  Accelerator Ratio: 100% Read / 0% Write
  Drive Write Cache: Disabled
  Total Cache Size: 256 MB
  Battery Pack Count: 0
  SATA NCQ Supported: True

執行這一系列命令是否安全？

hpacucli controller slot=1 array A remove drives=1:8
hpacucli controller slot=1 pd 1:8 modify led=on

讓遠端手卸下驅動器並更換。然後執行：

hpacucli controller slot=1 array A add drives=1:8

這會讓陣列安全地重建嗎？

執行這些命令是安全的。鏡像組可以在沒有一個磁碟的情況下繼續存在。它應該會自動重建，但如果沒有，您已經確定的命令會將其啟動。

您只需拉出死磁碟並更換它 - 根本不需要作業系統參與。

引用自：https://serverfault.com/questions/233392