ADSM-L

Re: Slow Speed with the SAN-Client

2002-04-16 07:22:39
Subject: Re: Slow Speed with the SAN-Client
From: Adolph Kahan <akahan AT ICA DOT NET>
Date: Tue, 16 Apr 2002 07:22:57 -0400
Here are some performance numbers of showing what you can expect with
Lan free, different file sizes and different tapes:

TSM LAN Free backup/restore performance

Selective Backup and Restore

|-----------------+-----------------+-----------------+-----------------
+-----------------|
|Workload Size    |3580 Fibre       |3590E Fibre      |3580 Fibre
|3590E Fibre      |
|                 |selective backup |selective backup |restore (KB/sec)
|restore (KB/sec) |
|                 |(KB/sec)         |(KB/sec)         |
|                 |
|-----------------+-----------------+-----------------+-----------------
+-----------------|
|256MB files      |34202            |34466            |28105
|29677            |
|-----------------+-----------------+-----------------+-----------------
+-----------------|
|Mixed files (64KB|5667             |6244             |9118
|9571             |
|avg)             |                 |                 |
|                 |
|-----------------+-----------------+-----------------+-----------------
+-----------------|
|10KB files       |1057             |1534             |2599
|2581             |
|-----------------+-----------------+-----------------+-----------------
+-----------------|

 Similar numbers have been published by Tivoli in a number of
presentations.


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