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Mike Christie wrote, On 04/11/09 12:43 AM:
> Morten W. Petersen wrote:
>> Hi,
>>
>> we have some servers running open-iscsi 2.0.870~rc3-0.4 (Debian) on
> 
> Is this open-iscsi that comes with debian or is that a open-iscsi.org
> release of 870-rc3?

This is the debian package.

> 
>> a couple of servers.
>>
>> One of these servers has been frequent unexplained reboots, and another
>> I saw had a hard freeze due to the sdb/sdc device becoming
>> unwritable/unreadable.
>>
>> Could open-iscsi be the culprit here? 
> 
> It could be. Is there anything in /var/log/messages when the reboot
> occurs? Do you see something about a conn error or ping/nop timing out
> or somehting about a host reset failing?
> 

I do see some in the logs, but the time says it happened at boot.

daemon.log:Nov  5 14:34:45 death-magnetic iscsid: Kernel reported iSCSI
connection 1:0 error (1011) state (3)
daemon.log:Nov  5 14:34:49 death-magnetic iscsid: connect failed (113)
daemon.log:Nov  5 14:34:55 death-magnetic iscsid: connect failed (113)
daemon.log:Nov  5 14:34:59 death-magnetic iscsid: connect failed (113)
daemon.log:Nov  5 14:35:05 death-magnetic iscsid: connect failed (113)
daemon.log:Nov  5 14:35:12 death-magnetic iscsid: connect failed (113)
daemon.log:Nov  5 14:35:16 death-magnetic iscsid: connection1:0 is
operational after recovery (6 attempts)



# date ; uptime
Fri Nov  6 20:29:11 CET 2009
 20:29:11 up 1 day,  5:55,  1 user,  load average: 0.00, 0.00, 0.00

So that means the system was up at 14:34 and the above was logged at boot.


> How do you know the disk is not read/writable?
> 
> Are you doing failover with the MD3000i target?
No failover.

> 
> What values are you using for the noops and replacement_timeout?
> 

node.session.timeo.replacement_timeout = 120
node.conn[0].timeo.noop_out_interval = 5
node.conn[0].timeo.noop_out_timeout = 5


- -- 
Vinay S Shastry
Consultant
Nidelven IT Ltd

Phone: +91 98866 57877
Email: shas...@nidelven-it.no
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