[Linux-PowerEdge] Rejecting I/O to offline device

info at mjwebhosting.nl info at mjwebhosting.nl
Fri Jul 5 11:18:24 CDT 2013


Below are the line that we have added to the grub.conf

pcie_aspm=off acpi=off noapic

That fix for us the problems.

kind regards,

Michaël Jonkers

Op 5-7-2013 17:35, Eberhard Moenkeberg schreef:
> Hi,
> On Fri, 5 Jul 2013, info at mjwebhosting.nl wrote:
>> Op 5-7-2013 17:12, Eberhard Moenkeberg schreef:
>>> On Fri, 5 Jul 2013, Audet, Martin (RTFT) wrote:
>>>> We have many boxes PE R710 that experiencing this issue.
>>>> The server stop responding and the error message "sd 0:2:0:0 Rejecting
>>>> I/O to offline device" appears in a console.
>>>> These servers run XenServer 5.6.
>>>> The Bios version:       6.3.0
>>>> Perc H700i fw version:  12.3.0-0032
>>> I had seen that in a R620 with H700 raid controller and 3 raid1 pairs of
>>> OCZ Vertex SSDs.
>>> When I did a througput test on one raid set and hit about 1 gbyte/sec, the
>>> other two raid sets went offline.
>>> I guess the PCI-e througput is the bottleneck.
>> Which OS are you using?
>> I have the same problem with centos 6.4 64 bit.
>> I have the kernel line and then the problem fixed.
> SUSE SLES11 SP2, x86_64.
> If I understand you right: you have set a special kernel parameter, and
> the problem went away?
> Please tell us what you did.
> Viele Gruesse
> Eberhard Moenkeberg (emoenke at gwdg.de, em at kki.org)

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