Backup Performance Degrades Over Time

[warenet]

Hi Folks,

I'm trying to restore 300 GB from 3 Ultrium tapes on to a CIFS share over a 100 Mbps network. The network is dedicated to the backup/restore machines.

When I start the restore it runs at about 150 MB/Min or a bit more, but as it gets further in to the restore it really starts to bog down.

The device I'm restoring to is basically a Samba server (but a high performance built for purpose box

http://www.storigen.com/)

I'm guessing the problem has to do with the # of files in the directory, once we get to 10,000 or so files things just bog down.

But I'm not 100% sure this is it.

Any ideas?

Thanks,

Lance

 

[ARCserveGuru]

What if you restore in chunks of 10000 files or so? does this degrade as well? or does it consider it a new job and keep retoring as per normal?

Is the serve your restoring to set to full duplex 100 Mb?

just some ides,

guru

 

[warenet]

It keeps going at about 150MB/Min if I remove items from the folders as I go.

Kind of painful....

Every thing is 100 Mbps/Full hardcoded.

 

[ARCserveGuru]

Out of curiosity, what backup throughput are you getting on your backups?

Did you backup through a client agent? If so, are you restoring to one? If yes, then is it at the same patch level as the one you used to backup?

Curious....

guru