I typically use iostat (specifically, iostat -x 2), which will report
KB/sec.

--
 Drew Fabbro [fabbro.andrew AT cnf DOT com]
 Unix Systems Group
 Desk: 503-450-3374
 Cell: 503-701-0369


-----Original Message-----
From: Paul Boatman [mailto:boatm005 AT groupwise.umn DOT edu] 
Sent: Tuesday, September 16, 2003 10:53 AM
To: veritas-bu AT mailman.eng.auburn DOT edu; abrowne AT tigr DOT org
Subject: Re: [Veritas-bu] LTO drive won't run at full speed


Just curious,

What diagnostic do you run to check the "real" drive rear/write speed.
Also, can you do this diagnostic with Netbackup active ?

Thanks,

Paul

>>> "Browne, Alec" <abrowne AT tigr DOT org> 08/14/03 01:38PM >>>
One of our seven LTO drives will not read or write above 1.6 MB/sec.  In
fact, it stays at exactly 1.6 MB/sec while in use.  Our other drives average
10MB/sec, and spike up to 20+ MB/sec.  I replaced the drive, with no effect.
We are using NetBackup datacenter 4.5 on a Sun V880 running Solaris 8.  If
it's not the drive, where should I start checking for the error - media
server, robot, or cables between?
 
Thanks
 
Alec Browne
Systems Administrator
The Institute For Genomic Research



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