Hi all,
I am seeing the same behaviour as Mark. I am willing to try to clean
things up using the instructions listed below.
However, when I use the mminfo command, it lists many many incidences
rather than the single incident reported below.
My question is, do I have to scanner each incidence? That will take
forever.
Thanks.
On Thu, 9 Aug 2001 17:45:18 +0100, Mark Kilpatrick <Kilpatrick AT XNET DOT IE>
wrote:
>Is this a known issue with Networker 6.0.1??? I've been receiving them
>while cloning savesets but put it down to bad media. I received the
>following instructions from Legato Support....
>
>
>...Solution involves having NetWorker position the device's heads at the
>record & offset where the save set is located on the volume and begin
>scanning from there. The media database will be updated properly.
>
>First, get the SSID from the error message:
>Error encountered by NSR server `myhost': Bad or missing record: save set
ID
>1144599809, low water mark 139303368, current offset 139283040
>In this case the SSID is 1144599809,
>
>
>Then get the file and record number for the SSID:
>mminfo -avVot -q 'ssid=1144599809'
>
>
>This will generate a report:
>myhost{root}41: mminfo -avVot -q 'ssid=1144599809'
>volume client size level name ssid
save
>time date time browse retent
>000911 moo.cow.com 20 MB full <19>/d06 1144599809
>994319861 07/05/01 00:57:41 08/30/01 08/30/01
>
>first last file rec volid total fl
> 0 20555463 273 1468 1090286593 2048055264 hb
>
>
>Then run scanner on the SSID at the specific file and record offset:
>
>scanner -i -f 273 -r 1468 /dev/rmt/0cbn
>
>You should get a message something like:
>scanner: ssid 1144634369: 18 MB, 1301 file(s)
>scanner: correcting overlapping fragment for ssid 1144599809, low
139283040
> got volid 1090286593, ffn 277, frn 1
> had volid 1090286593, ffn 277, frn 2
>
>
>Do this for each SSID listed in the logs and then carry out recovery
>procedures. Please note that if the media and drives are functional, the
>data should recover properly.
>
>It's realistic to expect that there may be more then one bad mm db entry
on
>the tape, so please let scanner finish the tape.
>
>You could, at your own risk, hit Ctrl-C after the correcting of the
>overlapping fragment is completed for that entry AND the next record is
>being looked at (give it 5 mins or so). An attempt of the recovery can be
>attempted at that point. Please note that if this method is used, and
>there are other occurances of bad or missing record for the volume(s) in
>question then the recovery will fail and and the method would have to be
>repeated for those save sets.
>
>
>
>
>-----Original Message-----
>From: Mason, Andrew [mailto:Andrew.Mason AT GETRONICS DOT COM]
>Sent: Thursday, August 09, 2001 10:06 AM
>To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
>Subject: Re: [Networker] LGTPA 30132
>
>
>I've seen quite a lot of these errors but didn't have any ideas as to
>what was causing them. I have received them under 6.0.1 and 6.0.2.
>
>I'm sorry I can't answer any of your questions.
>
>-----Original Message-----
>From: Nikiforuk, Kevin [mailto:knikifor AT EPCOR DOT CA]
>Sent: 31 July 2001 16:05
>To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
>Subject: [Networker] LGTPA 30132
>
>
>Is anyone else suffering from this 6.0.2 bug? The symptom I've seen is:
>"nsrd: media emergency: Bad or missing record: save set ID 1540407553,
>low
>water mark 1824823152, current offset 1824790384" during cloning of
>savesets.
>
>According to Legato, this is the result of a media index corruption
>which
>causes restores and cloning to fail. Right now I'm contemplating
>rolling
>back my upgraded server, even though it's been running on for three
>weeks.
>Has anyone found a way around this?
>
>If I roll back, am I going to lose my three weeks of indexes. Does
>anyone
>know if you can use scanner to read tapes that were written on 6.0.2
>into a
>5.1 server?
>
>Regards,
>Kevin
>
>Kevin Nikiforuk Phone: (780) 412-3601
>Technical Specialist Fax: (780) 418-0231
>Strategic and Tactical Technology (STT) Inc. E-Mail:
>knikifor AT epcor DOT ca
>
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>_________________________________________
>Mark Kilpatrick
>Systems Engineer kilpatrick AT xnet DOT ie
>
>Xnet - The Data Storage People
>Dublin: +353 (1) 2740 100
>Belfast: +44(28) 9073 5872
>www.xnet.ie | storage AT xnet DOT ie
>
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