Kurt,

I used two of the four SCSI chains from the SDG, the first chain for the
robot and the second chain for the drives, like IBM recommends in its web in
the document "Recabling SDG".
But this procedure didn't solve the problem.

Henry Aranda

From: Kurt Beyers <kurt.beyers AT PANDORA DOT BE>
Reply-To: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: LTO 3583 Drive errors with TSM 5.1.5.2 on AIX 5.1
Date: Fri, 24 Jan 2003 21:57:33 +0100

Henry,

I had similar poblems when copying from tape to tape, especially with large
files (> 1 GB). I've solved it by changing the SCSI chain (two SCSI
controllers in TSM server). It was first SCSI1-drive1 and
SCSI2-ROBOT-DRIVE2. I've changed it to SCSI1-DRIVE1 and SCSI2-DRIVE2-ROBOT
so that the data didn't had to pass through the robot arm any more.

It took me a few weeks to solve it. IBM changed the drives as well a few
times without any result.

Kurt
----- Original Message -----
From: "Henrry Aranda" <harango AT HOTMAIL DOT COM>
To: <ADSM-L AT VM.MARIST DOT EDU>
Sent: Friday, January 24, 2003 9:46 PM
Subject: LTO 3583 Drive errors with TSM 5.1.5.2 on AIX 5.1


> Hi,
>
> I have the following environment:
> TSM Server 5.1.5.2 on AIX 5.1, a FC Adapter 6228 and an IBM LTO 3583
with
> SANDataGateway.
>
> When the library is performing an intensive write process, I get the
> following messages in the activity log:
>
> 01/07/03 17:02:48     ANR8311E An I/O error occurred while accessing
drive
> 3583DRV2 (/dev/rmt2) for WRITE operation, errno = 5.
> 01/07/03 17:02:48     ANR1411W Access mode for volume 393ACA now set to
> "read-only" due to write error.
> 01/07/03 17:02:48     ANR8302E I/O error on drive 3583DRV2 (/dev/rmt2)
> (OP=OFFL, Error Number=5, CC=0, KEY=0B, ASC=4E, ASCQ=00,
>
SENSE=70.00.0B.00.00.00.00.1C.00.00.00.00.4E.00.00.00.10-.47.00.00.00.01.20.
20.20.20.20.20.20.1A.00.01.40.DF.01.0-0,
> Description=An undetermined error has occurred). Refer to Appendix D in
the
> 'Messages' manual for recommended action.
>
> IBM changed this drive twice, but I still get the same messages.
> Does somebody know if it is a known problem with the OS or the TSM
version?
>
> Thanks in advance,
>
> Henry Aranda
>
>
>
>
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