Networker

Re: [Networker] 7.1: target sessions ignored when relabelling recyclable tapes

2004-05-20 09:03:59
Subject: Re: [Networker] 7.1: target sessions ignored when relabelling recyclable tapes
From: Robert Maiello <robert.maiello AT THOMSON DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Thu, 20 May 2004 09:04:07 -0400
Wow, I have not seen this (but now I'm going to check if my server is doing
it).  Did you try playing with the load and mount sleep times of the
jukebox?

I do agree this behavior is a serious bug..did either of you log a case?
Were they able to reproduce it?


Robert Maiello
Thomson Healthcare

On Wed, 19 May 2004 19:34:11 +0100, Davina Treiber <Treiber AT HOTPOP DOT COM> 
wrote:

>Ty Young wrote:
>> NetWorker 7.1, Solaris 8   (this is a server, or more properly, storage
>> node issue)
>>
>> Scenario:  backups underway, and server is waiting for some quantity of
>> recyclable tapes (let's say 8.)   Upon loading recyclable tapes, nsrd
>> makes some nsrjb requests to re-label 8 tapes.  As soon as the first one
>> is labelled, however, it appears that not only is it loaded into a drive
>> for writing, but that a majority, if not all, of the suspended sessions
>> get routed to this one tape (i.e., target sessions for whatever drive
>> appears to be ignored.)   The result is that we may see as many as 25-30
>> streams going to one tape, while the remaining 7 newly-relabelled tapes
>> sit idle in their drives.
>>
>> Anybody else seen this behavior?
>
>Yes, under several circumstances. A flaw in the code somewhere. It is
>very annoying because sometimes this can cause a backup to run for many
>times as long as it should, sometimes into the next backup window. It
>doesn't even sort it out when the tape fills, it still continues with a
>zillion sessions on the next new tape. Fix it Legato!
>
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