Yep - tracker was running - that's the NB Client job Tracker, right? (Or
wrong?)
As to the files, they are the bane of my life... We do have a rather
large amount of small files on some servers - funnily enough the largest
amount of small files are actually on the quicker server (it's about 4m
files but only 150GB). The compressed folders only get backed up at the
weekend when time is not such an issue.
At the weekend, one of the streams (the best performing as well...)
backed up 198852 files and 169037617Kb in 4:57 (9.6MB/sec). There was
another stream running, as well as another job (this went on to the
second drive).
Cheers
Rob
________________________________
From: WEAVER, Simon [mailto:simon.weaver at astrium.eads.net]
Sent: 23 October 2006 14:26
To: Rob Quagliozzi; veritas-bu at mailman.eng.auburn.edu
Subject: RE: [Veritas-bu] Backup Speeds
Rob
Quick Q - is TRACKER.EXE running on the box?
Goto RUN and type MSCONFIG and press return.
Check the startup tab - if tracker.exe is ticked, untick it!
What type of files are you backing up? Larger, small single files?
compressed files?
Regards
Simon Weaver
3rd Line Technical Support
Windows Domain Administrator
EADS Astrium Limited, B23AA IM (DCS)
Anchorage Road, Portsmouth, PO3 5PU
Email: Simon.Weaver at Astrium-eads.net
<mailto:Simon.Weaver at Astrium-eads.net>
-----Original Message-----
From: Rob Quagliozzi [mailto:robq at bluecrestcapital.com]
Sent: 23 October 2006 14:20
To: veritas-bu at mailman.eng.auburn.edu
Subject: [Veritas-bu] Backup Speeds
Hi all,
I have a Win2k3SP1 file server cluster member that will not back
up at any reasonable kind of speed - it will sometimes kick off at about
12MB/s and can drop as low as 3MB/s (avg is about 5MB/s). It backs up
over Gbit Ethernet, and so I would expect to be seeing somewhat faster
speeds - I have another server that does not drop below 16MB/s.
The policy is split into 3 streams, with multiplex set at 2
(when I set it to 3 I have Paged Pool errors on the client followed by
an OS hang. (Rectified as of today with a reg key). Occasionally one of
the streams when it kicks off will sit around about 700K/s (always the
same drive/folders as well) and still be running first thing in the
morning... I've even shuffled the jobs around so that this job is the
only one running for a couple of hours.
I've checked all the usual stuff - link speed/duplex (manually
set at 1000/Full), virus scan (disabled), windows Open File backups have
been disabled for this client as well, as I was having the odd snapshot
error.
Master server is Win2k3SP1 5.0MP3 with all clients at same
level. 2xLTO2 drives in a STK500SL library.
Any ideas? I'm stumped - just to add further confusion, both
cluster nodes exhibit the problem to a degree. Argh!
Thanks
Rob Q
Rob Quagliozzi
Senior Systems Administrator
BlueCrest Capital Management
40 Grosvenor Place
London SW1X 7AW
Tel: 020 7664 3545
robq at bluecrestcapital.com
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