[Networker] Exchange Restores Hang
2003-12-30 18:07:20
Hi, All.
Environment:
Networker Server (this is sssvr01) is a SUN V880 running Solaris 8, Networker
6.1.3.
Storage Node (this sssb06b): SUN V880 running Solaris 8, Networker 6.1.3.
Client that is backed up (call this usphbx18): NT 4.0 SP6a running Networker
6.1.1, Exchange 5.5 SP4, Legato Exchange Module 2.0 Patch 4.
Client that is being restored to (call this usphbx1z): Same as backup client
except for Networker 6.1.3 (and later we tried updating the
Exchange Module to 2.0 Patch 6 on usphbx1z only with no change in the result).
Jukebox: Scalar 1000 with AIT-3 drives.
Background: These restores had been working fine and recently the hangs begun.
There was no event or change to which we can attribute the problem.
Problem: The redirected restore goes along fine for 42GB and then hangs. The
restore still needs to go for 8 more GB. The network activity between the
storage node
sssb06b and usphbx1z goes down to an occasional packet of the form, as seem via
snoop on the storage node:
root@sssb06b>snoop usphbx1z
Using device /dev/ge (promiscuous mode)
sssb06b -> usphbx1z TCP D=23279 S=9911 Ack=2126813101 Seq=3946588437
Len=1460 Win=32120
wait a minute of so...
sssb06b -> usphbx1z TCP D=23279 S=9911 Ack=2126813101 Seq=3946588437
Len=1460 Win=32120
wait a minute or so...
sssb06b -> usphbx1z TCP D=23279 S=9911 Ack=2126813101 Seq=3946588437
Len=1460 Win=32120
...
I tried restores of multiple backups from different exchange servers onto
usphbx1z. They all hang at some point, not all at 42GB, but so far it has
always been at
42GB for any restore attempt of usphlx18's backup to usphlx1z.
According to the nsrxchrc.log on usphbx1z, this is what is going on:
Start time Fri Dec 26 11:39:11 2003
Computer Name: USPHLX1Z User Name: Administrator
System Version: 4.0 Build 1381 Service Pack 6
ESEBCLI.DLL Version: 5.5.2653.11
ESEBCLI.DLL Comments: Service Pack 4
nsrxchrc.exe Version: 2.0.008 Build: 212
nsrxchrc.exe Comments: 2.0 Patch 4
Command line:
nsrxchrc.exe -s sssvr01 -c usphbx18 -e -r -t Wed Dec 17 07:52:55 2003
MSEXCH:IS
Active ANSI Code Page: 1252; OEM Code Page: 437
Non-cluster environment on node USPHLX1Z.
Options:
Client: usphbx18
Server: sssvr01
Recover time: Wed Dec 17 07:52:55 2003
Erase files: True
Start services: True
Started PerfMon update thread (Id: 492)
Performance monitor update thread running
Recovering Microsoft Exchange Information Store ...
Recovering \\USPHLX1Z\E$\exchsrvr\MDBDATA\PRIV.EDB
(nothing more appears. It's hung.)
Does anyone know of such a problem? Our Legato support provider has not come
up with anything.
Thanks.
Jon
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