As there is a core
run dbx and take a stack trace it will help legato to fix
and may reveal where and why the nsrd crashed
Maarten
On Thursday 23 March 2006 09:47, T S Kimball wrote:
> We had a rather unusual experience here tonight. Searching the archive is
> not finding anything specific to this, and calls to both Sun and Legato are
> pending.
>
> Pool ran out of tapes during a backup. It paged me (a bit late) while I
> was at home, I logged in to see which group it was. Not an important one,
> so cancelled the group pending a fix and restart later. The tape drive (on
> a storage node) had already ejected the now-full tape; This was confirmed
> in daemon.log.
>
> Ten minutes later, nsrd core dumps. The last messages in log is for it
> failing to read from that same tape drive on the storage node (huh?). This
> is an AlphaStor library, so I checked that log; No drives on the node were
> requesting load or unload at that time - three empty drives.
>
> Anyway, a restart of Networker was needed, and things have been relatively
> happy since (three DLT drives that were spinning at the time have gone
> 'sour' and are being rotated out - we have enough spares).
>
> However, I'm very concerned about this. It's the first time I've
> experienced it, and though its likely just a fluke I'm looking for any
> input as to what the general cause may be (so we don't repeat it). I've
> run across other odd situations that make me feel its related to not enough
> CPU resources for the nsrd process, but can't readily prove it.
>
> Specs:
> Server - Sun E450 (4x480 MHz), Solaris 8, Sun EBS 7.1.3, 4 x DLT7000
> (only three enabled right now), library control (SCSI), gigabit (fiber).
> SN1 - Sun V240 (2x1.2Ghz), Solaris 8, Sun EBS 7.1.3 SN, AlphaStor Server, 2
> x LTO-2 (fiber) and 1 x DLT7000, 1 network port enabled in gigabit mode.
> SN2 - Sun V880 (8x900 Mhz), Solaris 8, Sun EBS 7.1.3 SN, 3 x LTO-2
> (LVD-SCSI).
>
> We also have some large adv_file disk on the Server and SN1, but it was not
> in use at the time and this config has been stable for awhile.
>
> Thanks in advance,
> --TSK
>
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--
Maarten Boot,
Compuware Europe B.V.
Hoogoorddreef 5
1101 BA Amsterdam
Tel: +31 20 312 6511
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