From: Mike Snitzer <snitzer@redhat.com>
To: Christian May <christian_may@de.ibm.com>
Cc: device-mapper development <dm-devel@redhat.com>
Subject: Re: RHEL 6 I/O error messages during booting
Date: Thu, 5 May 2011 09:38:09 -0400 [thread overview]
Message-ID: <20110505133809.GA9548@redhat.com> (raw)
In-Reply-To: <OF01186CE2.F2A5FC34-ONC1257887.00332068-C1257887.003C3C98@de.ibm.com>
On Thu, May 05 2011 at 6:58am -0400,
Christian May <christian_may@de.ibm.com> wrote:
> Hi,
>
> I'm new to this community so maybe my question is alreayd answered/solved.
> In that case please let me know how...
>
> I have several IBM blades running RHEL6 and RHEL 6.1 attached via FC
> switch to different FastT storage servers (prefered/non-prefered pathes).
> During booting I've noticed billions of I/O error messages which extend
> the boot process. I found that the scsi_dh_rdac
> driver is build into the initramfs, so it should be available when the
> system is recognizing the SCSI LUNs. When taking a look to the messages
> I found this statement "kernel: rdac: device handler registered" after the
> SCSI LUNs were recognized?!
>
> Any ideas?
The scsi_dh_rdac module is loaded after the FC driver. This is a known
issue (happens for scsi_dh_emc too).
Mike
next prev parent reply other threads:[~2011-05-05 13:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-05 10:58 RHEL 6 I/O error messages during booting Christian May
2011-05-05 13:38 ` Mike Snitzer [this message]
2011-05-10 18:31 ` Chandra Seetharaman
2011-05-10 19:40 ` Malahal Naineni
2011-05-10 21:57 ` Mike Snitzer
-- strict thread matches above, loose matches on Subject: below --
2011-10-28 20:45 Daniel Lang
2011-10-28 21:13 Daniel Lang
2011-10-29 0:46 ` Mike Snitzer
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