Networker

[Networker] SDLT write errors with Networker 7.1

2004-01-14 11:14:19
Subject: [Networker] SDLT write errors with Networker 7.1
From: "robert.maiello AT thomson DOT com" <robert.maiello AT THOMSON DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Wed, 14 Jan 2004 11:14:11 -0500
We've ugraded our Solaris Networker server from 6.1.2 to 7.1.   All seems
fine except we seem to be getting many more SCSI media write errors now
on our SDLT 220 tapes.   The errors show up in Networker as "bad file number"
errors" :

01/13/04 18:50:34 nsrd: media warning: /dev/rmt/6cbn writing: Bad file number, a
t file 2 record 2569
01/13/04 18:50:34 nsrd: media notice: sdlt tape CE0170 on /dev/rmt/6cbn is full
01/13/04 18:50:34 nsrd: media notice: sdlt tape CE0170 used 328 MB of 110 GB cap
acity
01/13/04 18:56:47 nsrd: media warning: /dev/rmt/6cbn moving: fsr 2564: drive sta
tus is UNRECOVERED READ ERROR
01/13/04 18:56:47 nsrd: media emergency: could not position CE0170 to file 2, re
cord 2565

and as hard write errrors in /var/adm/messages:
Jan 13 18:48:10 matrix1 root: [ID 702911 daemon.notice] NetWorker media: (info)
loading volume CE0170 into /dev/rmt/6cbn
Jan 13 18:50:34 matrix1 scsi: [ID 107833 kern.warning] WARNING: /sbus@a,0/QLGC,i
sp@1,10000/st@1,0 (st71):
Jan 13 18:50:34 matrix1         Error for Command: write                   Error
 Level: Fatal
Jan 13 18:50:34 matrix1 scsi: [ID 107833 kern.notice]   Requested Block: 2568
                   Error Block: 2568
Jan 13 18:50:34 matrix1 scsi: [ID 107833 kern.notice]   Vendor: QUANTUM
                   Serial Number:  .  G
Jan 13 18:50:34 matrix1 scsi: [ID 107833 kern.notice]   Sense Key: Media Error
Jan 13 18:50:34 matrix1 scsi: [ID 107833 kern.notice]   ASC: 0xc (write error),
ASCQ: 0x0, FRU: 0x0
Jan 13 18:50:34 matrix1 root: [ID 702911 daemon.notice] NetWorker media: (warnin
g) /dev/rmt/6cbn writing: Bad file number, at file 2 record 2569


With no drive in common for the errors it would appear this version of
Networker is having problems with our media. Is anyone using SDLT drives
with Networker 7.x successfully without errors like this?   Could this be
related to the new CDI system of networker 7.x or is it suddenly bad media?

Also, this tape was being written during cloning.  This version of Networker
now leaves the nsrclone process hung along with the tape being read.  Sigh.

Robert Maiello
Thomson Healthcare

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