On 04/28/2010 02:07 PM, maguar887 wrote:
Mike,
Thanks for the info!
Do you know exactly which kernel it was patched in?
what is available to us is:
2.6.18-194.0.0.0.4.el5Matt
Forget the upgrade your kernel comment. The bug I was thinking about was
fixed in the kernel you were using, 2.6.18-92.1.6.0.2.el5 (that is
actually the kernel for RHEL 5.2 but you said you were using 5.3 btw).
Could you get me a ethereal trace, so I can see if the target is failing
the IO on us?
Matt
On Apr 28, 1:58 pm, Mike Christie<micha...@cs.wisc.edu> wrote:
On 04/28/2010 12:56 PM, Mike Christie wrote:
On 04/28/2010 12:43 PM, Mike Christie wrote:
On 04/28/2010 10:40 AM, maguar887 wrote:
We are currently running open iscsi version 2.0-871 on RHEL 5.3
(2.6.18-92.1.6.0.2.el5) against a Dell Equallogic iScsi SAN group
(firmware 4.3.5)
You need to upgrade your kernel. It had a bug with eql targets in the
async logout path. It is fixed in 5.4 and 5.5 kernels.
Actually it was fixed in 5.3 too.
The weird thing here is that we get this error *before* we get the async
logout request.
Do you have multiple sessions? Is sdt accessed through session 22 (run
iscsiadm -m session -P 3 to see) or a different session? If a different
session is there more log and can you send it?
Could you also take a ethereal trace?
Looking at the iscsi code for that kernel the only place to get
0x00070000 seems to be this:
if (rhdr->response != ISCSI_STATUS_CMD_COMPLETED) {
sc->result = DID_ERROR<< 16;
goto out;
}
which means the target did not complete the command. The
initiator/scsi-layer would have retried this command up to 5 times
before failing.
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