ADSM-L

[ADSM-L] Problems with large (>4TB) LZ on RedHat Linux server

2007-05-31 10:37:36
Subject: [ADSM-L] Problems with large (>4TB) LZ on RedHat Linux server
From: Zoltan Forray/AC/VCU <zforray AT VCU DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 31 May 2007 10:36:43 -0400
Just got our big-honkin RedHat AS4 TSM server (5.4.0.0)  up and running
and started to use it and are now experiencing errors in the volumes of
the LZ.

The LZ is in a 4.7TB filesystem.  So far, the errors have been occuring
against volumes in the >3TB area (we divided the volumes into 250GB
pieces, making sure to format them 1-at a time, to not cause
fragmentation).

5/31/2007 10:29:08 AM ANR8555E An error (5, ) occurred during a read
operation from disk /tsmpool/stg13.dsm.
5/31/2007 10:29:08 AM ANR9999D dsrtrv.c(1030): ThreadId Error on volume
/tsmpool/stg13.dsm: execRc=-1, summaryRc=-1.
5/31/2007 10:29:08 AM ANR9999D dsrtrv.c(1041): ThreadId --> Volume
/tsmpool/stg13.dsm, Starting Logical Block 1186847, Blocks in Range 64.

We didn't have any problems during the formatting.

Seeing similar errors in the /var/log/messages file:

May 31 10:29:08 fireball kernel: attempt to access beyond end of device
May 31 10:29:08 fireball kernel: sdb1: rw=0, want=34359738368,
limit=10248519613
May 31 10:29:08 fireball kernel: attempt to access beyond end of device
May 31 10:29:08 fireball kernel: sdb1: rw=0, want=34359738368,
limit=10248519613
May 31 10:29:08 fireball kernel: attempt to access beyond end of device
May 31 10:29:08 fireball kernel: sdb1: rw=0, want=34359738368,
limit=10248519613

Anybody deal with something like this ?  Anybody have a linux server with
>2TB filesystems ?

----------------------------------------------------
Zoltan Forray
Virginia Commonwealth University
Office of Technology Services
University Computing Center
e-mail: zforray AT vcu DOT edu
voice: 804-828-4807

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