Hello list,
I have been working on a performance problem for about a month and I am
out of ideas. I hope someone can help me. What is happening is that
backups of large DLE that start very early seem to dump at a very slow
rate. Where as dumps of DLE on the same host, physical drive, etc. that
On Wed, 7 Mar 2007 at 9:58am, Kenneth Berry wrote
I have been working on a performance problem for about a month and I am
out of ideas. I hope someone can help me. What is happening is that
backups of large DLE that start very early seem to dump at a very slow
rate. Where as dumps of DLE on
Thank you for the tip on columnspec, I was about to create another post
on that problem.
The computer mbthome is both the amanda server and client, it is a Dell
PE2650 dual Xeon processor, 2GB Ram. Tape unit is LTO3 on a dedicated
SCSI controller. Internal HDD's are four SCSI ultra320 10K
On Wed, Mar 07, 2007 at 09:58:09AM -0600, Kenneth Berry wrote:
Hello list,
I have been working on a performance problem for about a month and I am
out of ideas. I hope someone can help me. What is happening is that
backups of large DLE that start very early seem to dump at a very slow
On Wed, 7 Mar 2007 at 11:45am, Kenneth Berry wrote
The computer mbthome is both the amanda server and client, it is a Dell
PE2650 dual Xeon processor, 2GB Ram. Tape unit is LTO3 on a dedicated
SCSI controller. Internal HDD's are four SCSI ultra320 10K configured
as hardware RAID5. On top of
I'm sorry to interject without having read the complete thread but
I wanted to share (remind of previous emails) that I had a problem
with my LTO on Solaris a while back. Turned out the HBA card was
failing, the A side was dropping in performance with no additional/errors
noticable which the B
Thanks for all the great ideas. I have some comments and questions.
From Gene's message:
The dump's are not going straight to tape which really does slow things
down. One of the way I can tell is that the final DLE dump that has been
running since midnight is spooling to disk and the tape is
On Wed, 7 Mar 2007 at 2:30pm, Kenneth Berry wrote
---Sequential Output ---Sequential Input--
--Random--
-Per Char- --Block--- -Rewrite-- -Per Char- --Block---
--Seeks---
MachineMB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %
CPU /sec %CPU
Here are the corrected bonnie++ results.
1.)
Below are bonnie results on mbthome:/home/public this is on a percraid
controller handled as a single 300GB HDD with LVM allocating the space
to the following filesystems /home, /home/public/,
and /home/public/Ausk... The dump rate last night for this