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Anonymous_User
Anonymous_User Absent Member.
Absent Member.
‎2005-10-01 11:39
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Mirrored NSS on SAN Problem

Hi,

we have got a strange problem:
When we are making a backup from a mirrored NSS Partition which is located
on 2 different SAN´s the Servers (Cluster) will freeze or go into an abend
(LZSS_* Modules). If we are breaking the mirror everything will work fine.
There are no errors on the Volume/Pool etc. The hardware doesn´t have any
failure.

Environment:

2 Node Cluster NW65SP4
each node: 2 HBA´s

Backup Server:
NW65SP4
2 Tape-Drives
Backup SW: Arcserve 11.1 or Backup Exec 9.1
Backup over LAN, with and w/o Agent

Any Idea is wellcome.
Thanks Thomas

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Anonymous_User
Anonymous_User Absent Member.
Absent Member.
‎2005-10-02 14:18

Antw: Mirrored NSS on SAN Problem

Hi,

I have forgotten one additional information:

The mirror is a Software Mirror (RAID1).
The problem also occures when excessive Data is read from/written to the
mirrored volume (e.g. Read / write an image with zfd).

Reg. Thomas

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Anonymous_User
Anonymous_User Absent Member.
Absent Member.
‎2005-10-03 17:55

Re: Antw: Mirrored NSS on SAN Problem

Thomas Schoppe:

> The problem also occures when excessive Data is read from/written to the
> mirrored volume
>

you might want to ask this in the cluster forum - but it sounds like you
need to update the drivers for the SAN hardware

Joe Moore
Novell Support Forums SysOp
http://just.fdisk-it.com
http://www.caledonia.net/jmdns.html
http://www.caledonia.net/nesadmin.html
http://www.caledonia.net/jmttb.html


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