|
Re: [Veritas-bu] Tape Drive Statistics
2009-07-10 17:52:56
I use iostat -xzn #, where -x shows
disk, -z omits devices doing nothing (having all 0's) and -n shows names
of the devices.
Tapes are included in this output, but
this is for Solaris.
Rusty Major, MCSE, BCFP, VCS ▪
Sr. Storage Engineer ▪ SunGard Availability Services ▪ 757 N. Eldridge
Suite 200, Houston TX 77079 ▪ 281-584-4693
Keeping People and Information Connected®
▪ http://availability.sungard.com/
P
Think before you print
CONFIDENTIALITY: This e-mail (including
any attachments) may contain confidential, proprietary and privileged information,
and unauthorized disclosure or use is prohibited. If you received
this e-mail in error, please notify the sender and delete this e-mail from
your system.
Heathe Kyle Yeakley <hkyeakley AT gmail DOT com>
Sent by: veritas-bu-bounces AT mailman.eng.auburn DOT edu
07/10/2009 09:56 AM
|
|
To
| Veritas-bu AT mailman.eng.auburn DOT edu
|
|
cc
|
|
|
Subject
| [Veritas-bu] Tape Drive Statistics |
|
Hello group,
I am trying to performance tune a new library I installed. I have the
performance tuning guide and I'm looking at my data path. I currently
have statistics on my tape drive (from the libraries point of view),
stats from my SAN switch, and stats from my LAN. I'm watching iostat for
the disk that I'm writing to, but I'd like to see the performance of my
tape drive from my Master server's point of view. I don't believe iostat
accepts tape drives. How do you measure tape drives statistics in
Unix/Linux (specifically RHEL).
On a side note, I'm reading up on how to tune SIZE_DATA_BUFFERS and
NUMBER_DATA_BUFFERS. If I'm watching statistics in real time for my
performance tuning backups and restores, can I change these values in
real time without having to restart Netbackup (or any of my
master/media/clients) and see the results take affect, or do I have to
restart services for the new values to take effect? Anyone have tips on
how to tune these values?
Thank you.
- Heathe Kyle Yeakley
_______________________________________________
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
|
|
|
