Networker

Re: [Networker] LGTPA 30132

2002-08-19 18:42:00
Subject: Re: [Networker] LGTPA 30132
From: Teresa Biehler <tpbsys AT RIT DOT EDU>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Tue, 13 Aug 2002 16:34:15 -0400
I'm not sure if this works for W2K, but a work around in Tru64 UNIX is:

o Scavenge the media database (this fixes the media database, not sure
how to do this in W2K)
o Create a file called "noimmediate" in the debug directory (this
prevents the problem for reoccurring)

Good luck.
Teresa



"colin_mcfadyen AT carleton DOT ca" wrote:
>
> Problem is that I do not have a support contract at this time.  Budget did
> not allow for it this year.
>
> The binaries mentioned in the reply from Legato (nsrmmd, tapeexer,
> scanner) are all available in the 6.0.3 update.
>
> Does anyone know if I can copy these 6.0.3 binaries into my 6.0.2
> installation?
>
> I can't install 6.0.3 as there is a bug that comes up with some
> installations (LGTpa36998).
>
> Thanks.
>
> On Tue, 13 Aug 2002 08:24:54 -0400, Davina Treiber <treiber AT HOTPOP DOT COM>
> wrote:
>
> >On Mon, 12 Aug 2002 12:04:54 -0400, colin_mcfadyen AT carleton DOT ca
> ><colin_mcfadyen AT CARLETON DOT CA> wrote:
> >
> >>Davina,
> >>Where would I get the hotfix?  I am running 6.0.2 on W2K.
> >
> >Legato should supply it on request as part of the support call you have
> >open with them. They sent it to me for the same problem, and it worked.
> >Perhaps I was luckier with the engineer that dealt with my call, you seem
> >to have been landed with one who doesn't know as much. Here is the info
> >that Legato sent me about the bug.
> >
> >---snip---
> >Here are the information about the LGTpa30132:
> >
> >    Fact   NetWorker 6.0.2
> >
> >    Fact   Backup works fine
> >
> >    Symptom   Error: 'media emergency: Bad or missing record: save set ID
> >(#), low water mark (#), current offset (#)'
> >
> >    Symptom   Error: 'nsrclone: error, bad or missing record: ssid (#),
> low
> >(#), current (#)'
> >
> >    Symptom   Error: '(server_name): bad or missing record: ssid (#), low
> >(#);, current (#)'
> >
> >    Symptom   Error: 'recover: Unable to read checksum from save stream'
> >
> >    Symptom   Error: 'recover: error recovering (filename)'
> >
> >    Symptom   Recover operation fails and results in error
> >
> >    Cause   This problem will only happen when multiplexing immediate and
> >non-immediate save streams onto the same tape drive.
> >
> >During backup, nsrmmd is updating mediaDB together while writing to tape.
> >In this problem, the information written to tape is correct, but reference
> >file and record numbers are not updated properly when immediate and non-
> >immediate save are multiplexing onto the same file and record on tape,
> >thereby causing NetWorker to have a discrepancy between the file and
> record
> >number reflecting physical data on tape and those recorded in mediaDB.
> >
> >This problem exists on all version, except the following which contains
> the
> >solution:
> >(1) NetWorker 5.5.3, 5.5.4 and above (for the 5.5.x series)
> >(2) NetWorker 6.1.1 and above (for all future releases)
> >
> >    Fix   Known issue: resolved in LGTpa30132. Fix expected to be in
> >NetWorker 5.5.3, 5.5.4 , 6.1.1 and above. If these version are not
> >available yet, please contact Legato Customer Support to get temporary
> >hotfixes for the desired platform, hotfixes are available only for 6.0.1,
> >6.0.2 and 6.1.
> >
> >[Hotfix binaries]
> >nsrmmd
> >scanner
> >tapeexer
> >
> >NOTE #1: The above hotfix takes care of the problem in two parts:
> >-- ensure all future entries into the media database is updated correctly
> >from the day this hotfix is applied;
> >-- ensure nsrmmd will try its best to recover from old media database
> >entries (containing invalid file and record numbers); only in exceptions
> >when the available information is not sufficient to recover the data, the
> >end-user is prompted to run 'scanner -i (tape_device)' or 'scanner -m
> >(tape_device)' in the daemon.log, which will definitely be able to restore
> >the required data, except it takes extra time to run scanner.
> >
>
> --
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