hdparm -I 不适用于逻辑卷;HDIO_DRIVE_CMD(识别)失败:无效交换

hdparm -I 不适用于逻辑卷;HDIO_DRIVE_CMD(识别)失败:无效交换

有人知道 hdparm 是否适用于逻辑卷吗?

[root@qlnx053 home]# pvdisplay
  --- Physical volume ---
  PV Name               /dev/sdb1
  VG Name               vg01_sas
  PV Size               835.39 GiB / not usable 19.00 MiB
  Allocatable           yes (but full)
  PE Size               128.00 MiB
  Total PE              6683
  Free PE               0
  Allocated PE          6683
  PV UUID               lDZCKQ-twdC-zfj0-AG4W-yjnV-JjfV-WhHjQu

  --- Physical volume ---
  PV Name               /dev/sda2
  VG Name               vg00_ssd
  PV Size               236.49 GiB / not usable 49.00 MiB
  Allocatable           yes (but full)
  PE Size               64.00 MiB
  Total PE              3783
  Free PE               0
  Allocated PE          3783
  PV UUID               UVq6D3-u1Dd-8ty9-HQ7g-9UMS-haJg-Le1Vro

[root@qlnx053 home]# sudo hdparm -I /dev/sda2

/dev/sda2:
 HDIO_DRIVE_CMD(identify) failed: Invalid exchange
[root@qlnx053 home]# 

答案1

大多数使用 hdparm 的操作都需要 root 权限。此外,该命令需要驾驶对于设备参数,而不是分割就像你的例子一样。试试这个:

hdparm -I /dev/sda

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