Re: Issue on Debian Wheezy with hot-plug SAS hdd
On Tue, 26 Jun 2012 16:57:28 +0300, Кирилл Рудов wrote:
(please, no html formatted posts, thanks)
> I have HP Proliant DL380 G7 with four SAS hdd on HP SmartArray p410i.
> All hdd are configured as RAID-0.
Wait.. unless I'm missing something, raid-0 will no prevent for data loss
when you remove one of the disks regardless their hot-swapping
capabilities :-o
> I installed on it Debian Wheezy (linux-image 3.2.0-amd64) without any
> troubles. But when I tried to test hot-swap I had an issue.
> Disconnected disks did not disappear from system until reboot.
And the system was still running fine after you removed the disk? Wow, I
wonder what dmesg was saying...
> Before switch-off:
>
> meta@ark:~$ lsscsi
> [0:0:0:0] storage HP P410i 5.12 -
> [0:0:0:1] disk HP LOGICAL VOLUME 5.12 -
> [0:0:0:2] disk HP LOGICAL VOLUME 5.12 /dev/sda
> [0:0:0:3] disk HP LOGICAL VOLUME 5.12 /dev/sdb
> [0:0:0:4] disk HP LOGICAL VOLUME 5.12 /dev/sdc
> [1:0:0:0] cd/dvd hp DVD A DS8A5LH 1HE4 /dev/sr0
>
> ...and after:
> meta@ark:~$ lsscsi
> [0:0:0:0] storage HP P410i 5.12 -
> [0:0:0:1] disk HP LOGICAL VOLUME 5.12 -
> [0:0:0:2] disk HP LOGICAL VOLUME 5.12 /dev/sda
> [0:0:0:3] disk HP LOGICAL VOLUME 5.12 /dev/sdb
> [0:0:0:4] disk HP LOGICAL VOLUME 5.12 /dev/sdc
> [1:0:0:0] cd/dvd hp DVD A DS8A5LH 1HE4 /dev/sr0
If you are using the stock "hpsa" driver I'd take a look at the docs:
http://www.mjmwired.net/kernel/Documentation/scsi/hpsa.txt
Greetings,
--
Camaleón
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