Networker

Re: [Networker] SDLT write errors with Networker 7.1

2004-01-15 14:44:58
Subject: Re: [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: Thu, 15 Jan 2004 14:44:53 -0500
Nick,

Let me know.   Legato reviewed my logs and concluded they were all actual/
legitimate media errors.   They did not suggest turning off CDI, in fact,
they seemed to imply it was working well.  That the errors suddenly became
more numerous with the new version is troubling..was Networker 6.1.2 not
picking up on these write errors?


Robert Maiello
Thomson

On Thu, 15 Jan 2004 10:34:53 -0000, N.J.Tustain <N.J.Tustain AT OPEN.AC DOT UK> 
wrote:

>We've experienced similar problems with AIT3 drives. We upgraded from
>6.1.3 to 7.1.
>I've got a call placed through our Software maintenance people with
>Legato. As yet I haven't had an answer, although turning the CDI
>interface off was mentioned, but that didn't seem to help.
>
>
>Dec 24 07:29:25 ottery root: [ID 702911 daemon.notice] NetWorker media:
>(notice) 8mm AIT-3 tape Full.021 used 191 GB of 100 GB capacity
>Dec 24 07:29:44 ottery root: [ID 702911 daemon.notice] NetWorker media:
>(notice) Volume "Full.021" on device "/dev/rmt/1cbn": Cannot decode
>block. Verify the device configuration. Tape positioning by record is
>disabled.
>Dec 24 07:32:45 ottery root: [ID 702911 daemon.notice] NetWorker media:
>(warning) /dev/rmt/1cbn reading: fsr 296 read: Bad file number
>Dec 24 07:32:45 ottery root: [ID 702911 daemon.notice] NetWorker media:
>(emergency) could not position Full.021 to file 94, record 297
>Dec 24 07:35:46 ottery root: [ID 702911 daemon.notice] NetWorker media:
>(warning) /dev/rmt/1cbn reading: fsr 296 read: Bad file number
>Dec 24 07:35:46 ottery root: [ID 702911 daemon.notice] NetWorker media:
>(emergency) could not position Full.021 to file 94, record 297
>Dec 24 07:35:47 ottery root: [ID 702911 daemon.notice] NetWorker media:
>(warning) /dev/rmt/1cbn moving: fsf 95: Bad file number
>Dec 24 07:38:52 ottery root: [ID 702911 daemon.notice] NetWorker media:
>(warning) verification of volume "Full.021", volid 3437812790 failed
>, can not read record 297 of file 94 on 8mm AIT-3 tape Full.021
>Dec 24 07:38:52 ottery root: [ID 702911 daemon.notice] NetWorker media:
>(notice) verification of volume "Full.021", volid 3437812790 failed,
> volume is being marked as full.
>D
>
>Nick
>
>
>-----Original Message-----
>From: robert.maiello AT thomson DOT com [mailto:robert.maiello AT THOMSON DOT 
>COM]
>Sent: 14 January 2004 16:14
>To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
>Subject: [Networker] SDLT write errors with Networker 7.1
>
>
>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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