[CentOS] device in use after a reboot

m.roth at 5-cent.us m.roth at 5-cent.us
Fri May 17 14:41:01 UTC 2013


Mogens Kjaer wrote:
> On 05/17/2013 01:23 PM, sebastian wrote:
>> sd 0:0:0:0: [sda] 586072368 512-byte logical blocks: (300 GB/279 GiB)
>> sd 1:0:0:0: [sdb] 586072368 512-byte logical blocks: (300 GB/279 GiB)
> ...
>> sd 6:0:0:0: [sdc] 35158450176 512-byte logical blocks: (18.0 TB/16.3
>> TiB)
>> sd 6:0:0:0: [sdc] Write Protect is off
>> sd 6:0:0:0: [sdc] Mode Sense: 8f 00 00 08
>> sd 6:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't
>> support DPO or FUA
>>    sdc: sda1 sda2 sda3
>> sd 0:0:0:0: [sda] Attached SCSI disk
>>    sdb1 sdb2 sdb3
>> sd 1:0:0:0: [sdb] Attached SCSI disk
>>    sdc1
>
> So sd[ab] are two 300 GB disks, and sdc is the big storage.
>
> When the big storage shows up as sda, do the two disks show up
> as sd[bc] or are they absent?

This is odd; I think I've only seen it once. I'd suggest using label or
(bleah!) UUID. We prefer labels, since a) you can remember them, b) look
for them, and c) there's no way to remember a UUID....

        mark




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