[Veritas-bu] Destaging Speed
2007-01-03 10:35:01
Subject: |
[Veritas-bu] Destaging Speed |
From: |
steve.fogarty at gmail.com (Steve Fogarty) |
Date: |
Wed, 3 Jan 2007 11:35:01 -0400 |
bash-3.00# iostat -zxn 5 | egrep 'device|rmt'
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
0.0 92.6 0.0 23706.3 0.0 0.4 0.0 4.4 0 41 rmt/0
0.0 66.3 0.0 16972.9 0.0 0.4 0.0 5.6 0 37 rmt/1
Shows the speed the tape drives are being written to (kw/s). It updates
every 5 seconds.
Stve
-----Original Message-----
From: veritas-bu-bounces at mailman.eng.auburn.edu
[mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf Of Martin,
Jonathan (Contractor)
Sent: Wednesday, January 03, 2007 10:57 AM
To: NB List Mail
Subject: [Veritas-bu] Destaging Speed
Never done DSSUs before. I'm watching all my destaging happening during
the week from this weekend's backups I noticed the duplication jobs
don't have a write speed on them. How can I tell how fast the data is
being written during destaging? I suppose I could script something to
compare job duration with amount of data written on the tape but I was
hoping there would be something easier / better?
Thanks,
-Jonathan
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