RE: Problems with the adaptec 2120s

Ramon

You can refer that question to our (Adaptec's) tech support or use our
message board at http://mbserver.adaptec.com PCI RAID forum.  But this
sounds like it may be a media problem.

Deanna

-----Original Message-----
From: Ramon Acedo [mailto:[email protected]]
Sent: Tuesday, February 11, 2003 8:49 AM
To: [email protected]
Cc: equipo-5rtuXYfMpA5P6X4CH727/[email protected]
Subject: Problems with the adaptec 2120s


Hi, we have the adaptec raid scsi controler 2120s with two 65GB disks
attached doing a raid 1 of 50GB and two volumes of 15GB with the rest
of each disk.

We use the aacraid that comes with the kernel 2.4.20

So what we have is:
/dev/sda --> raid of 50GB with both disks
/dev/sdb --> single volume of 15GB with the rest of the first disk
/dev/sdc --> single volume of 15GB with the rest of the second disk

The system hangs randomly with no log anywhere but we've 
detected that the
hangs are produced by I/O errors in our Ext3 file system.

I also have discovered that if I do 'scsiinfo -a /dev/sda' the 
system hangs
and the last message i get is:

Unhandled SCSI Command: 0x37
Unable to read manufacturer defect data.

That's why i suspect that the aacraid module could have somenthing to do
with the hangs.

The 0x37 command is the defect data, is that info managed by the aacraid
driver?

We've got it in a critical production environment, any 
help/idea would be
apreciated.

Thanks,

Ramon Acedo

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