From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: Sergey Kononenko <sergk@sergk.org.ua>
Cc: linux-scsi@vger.kernel.org
Subject: Re: aic94xx: wrong order of SATA disks
Date: Tue, 12 Feb 2008 18:32:56 -0600 [thread overview]
Message-ID: <1202862777.3137.176.camel@localhost.localdomain> (raw)
In-Reply-To: <20080212232240.3ffc9770@vingilot.sergknet>
On Tue, 2008-02-12 at 23:22 +0200, Sergey Kononenko wrote:
> Hello,
>
> I have server with motherboard Supermicro X7DBR-3 (AIC-9410 onboard).
> And there are three SATA disks in following order:
> 1st drive bay: WD800AAJS-60
> 2nd drive bay: WD2500YS-01S
> 3rd drive bay: WD2500YS-01S
> in BIOS they listed in the same order.
>
> But after I've loaded linux (2.6.23.14 and 2.6.24 tested) I had
> WD800AAJS-60 named as sdc, and two WD2500YS-01S as sda and sdb.
> Moreover then i've booted second time with same kernel and settings
> names for WD2500YS-01S swapped. Disk which had name sda become sdb and
> vice versa. I've noticed that through disk's serial numbers, because
> models are same.
I'm afraid this reordering of sdX is pretty much a fact of life on
hotplug storage busses, which SAS/SATA is. The way around it is to use
udev and mount by id or uuid to keep stable device names.
James
prev parent reply other threads:[~2008-02-13 0:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-12 21:22 aic94xx: wrong order of SATA disks Sergey Kononenko
2008-02-13 0:32 ` James Bottomley [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1202862777.3137.176.camel@localhost.localdomain \
--to=james.bottomley@hansenpartnership.com \
--cc=linux-scsi@vger.kernel.org \
--cc=sergk@sergk.org.ua \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox