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Re: [dm-devel] Dell MD3200 - sd: Current: sense key: Illegal Request ASC=0x94 ASCQ=0x1ASC=0x94 ASCQ=0x1



  I looked at your storage profile.. Noticed  that your host type setting is wrong.. See below.
  Default host OS:      Windows (Host OS index 0)                     
  Can you set it to "Linux" and see if your problem goes away. I am yet to look at messages file.. Please try this and let me know..
Thanks
Babu


________________________________________
From: dm-devel-bounces redhat com [dm-devel-bounces redhat com] On Behalf Of Charles Slivkoff [slivkoff cmu edu]
Sent: Wednesday, March 02, 2011 4:55 PM
To: dm-devel redhat com
Subject: Re: [dm-devel] Dell MD3200 - sd: Current: sense key: Illegal Request ASC=0x94 ASCQ=0x1ASC=0x94 ASCQ=0x1

> One of your lun seem to have a problem. See these messages below..
>
> Mar  2 12:43:14 rman-ss-03 kernel: scsi 1:0:0:0: rdac: LUN 0 (unowned)
> Mar  2 12:43:14 rman-ss-03 kernel: sd 1:0:0:1: rdac: LUN 1 (unowned)
> Mar  2 12:43:14 rman-ss-03 kernel: sd 1:0:0:2: rdac: LUN 2 (owned)
> Mar  2 12:43:14 rman-ss-03 kernel: scsi 2:0:0:0: rdac: LUN 0 (unowned)
> Mar  2 12:43:14 rman-ss-03 kernel: sd 2:0:0:1: rdac: LUN 1 (owned)
> Mar  2 12:43:14 rman-ss-03 kernel: sd 2:0:0:2: rdac: LUN 2 (unowned)
> Mar  2 12:43:14 rman-ss-03 kernel: rdac: device handler registered
 >
> Lun 0 is not owned by any of the controllers also it is not claimed
 > by sd driver for some reason.  Can you find out why that happened..
 > Or you can remove Lun 0 and see if issue goes away..

I'm not sure what 1:0:0:0 and 2:0:0:0 are or where they came from. They
show up in lsscsi but there is no sd device assigned to them, obviously.

$ lsscsi
[0:0:32:0]   enclosu DP       BACKPLANE        1.07  -
[0:2:0:0]    disk    DELL     PERC H700        2.30  /dev/sda
[0:2:1:0]    disk    DELL     PERC H700        2.30  /dev/sdb
[1:0:0:0]    disk    DELL     MD32xx           0770  -
[1:0:0:1]    disk    DELL     MD32xx           0770  /dev/sdc
[1:0:0:2]    disk    DELL     MD32xx           0770  /dev/sdd
[1:0:0:31]   disk    DELL     Universal Xport  0770  /dev/sde
[2:0:0:0]    disk    DELL     MD32xx           0770  -
[2:0:0:1]    disk    DELL     MD32xx           0770  /dev/sdf
[2:0:0:2]    disk    DELL     MD32xx           0770  /dev/sdg
[2:0:0:31]   disk    DELL     Universal Xport  0770  /dev/sdh
[3:0:0:0]    cd/dvd  TEAC     DVD-ROM DV-28SW  R.2A  /dev/scd0

These LUNs do not exist in the array configuration. I only see LUNs 1,
2, and 31.

The profile saved from my array is here:  http://tinypaste.com/73823

I added to /etc/sysctl.conf "dev.scsi.logging_level = 4096" and
rebooted. The new syslog since the boot is here: http://tinypaste.com/5b72b

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