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I'd agree with the use of iostat.
The NB admin console shows you an average KB/sec for the job while iostat
shows you at that time.
veritas-bu-admin AT mailman.eng.auburn DOT edu wrote on 09/16/2003 01:13:55 PM:
> 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
>
>
>
> This e-mail and its attachments have been scanned for viruses. OIT/NDIS
-
> University of Minnesota
>
>
> _______________________________________________
> Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> _______________________________________________
> Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
>
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<br><font size=3>I'd agree with the use of iostat.</font>
<br>
<br><font size=3>The NB admin console shows you an average KB/sec for the
job while iostat shows you at that time.</font>
<br>
<br><font size=2><tt>veritas-bu-admin AT mailman.eng.auburn DOT edu wrote on
09/16/2003
01:13:55 PM:<br>
<br>
> I typically use iostat (specifically, iostat -x 2), which will report<br>
> KB/sec.<br>
> <br>
> --<br>
> Drew Fabbro [fabbro.andrew AT cnf DOT com]<br>
> Unix Systems Group<br>
> Desk: 503-450-3374<br>
> Cell: 503-701-0369<br>
> <br>
> <br>
> -----Original Message-----<br>
> From: Paul Boatman [mailto:boatm005 AT groupwise.umn DOT edu] <br>
> Sent: Tuesday, September 16, 2003 10:53 AM<br>
> To: veritas-bu AT mailman.eng.auburn DOT edu; abrowne AT tigr DOT org<br>
> Subject: Re: [Veritas-bu] LTO drive won't run at full speed<br>
> <br>
> <br>
> Just curious,<br>
> <br>
> What diagnostic do you run to check the "real" drive rear/write
speed.<br>
> Also, can you do this diagnostic with Netbackup active ?<br>
> <br>
> Thanks,<br>
> <br>
> Paul<br>
> <br>
> >>> "Browne, Alec" <abrowne AT tigr DOT org>
08/14/03
01:38PM >>><br>
> One of our seven LTO drives will not read or write above 1.6 MB/sec.
In<br>
> fact, it stays at exactly 1.6 MB/sec while in use. Our other
drives average<br>
> 10MB/sec, and spike up to 20+ MB/sec. I replaced the drive,
with no effect.<br>
> We are using NetBackup datacenter 4.5 on a Sun V880 running Solaris
8. If<br>
> it's not the drive, where should I start checking for the error -
media<br>
> server, robot, or cables between?<br>
> <br>
> Thanks<br>
> <br>
> Alec Browne<br>
> Systems Administrator<br>
> The Institute For Genomic Research<br>
> <br>
> <br>
> <br>
> This e-mail and its attachments have been scanned for viruses. OIT/NDIS
-<br>
> University of Minnesota<br>
> <br>
> <br>
> _______________________________________________<br>
> Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT
edu<br>
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu<br>
> _______________________________________________<br>
> Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT
edu<br>
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu<br>
> <br>
</tt></font>
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