Re: Speed up 400GB backup?
2004-07-20 09:33:08
On Mon, 19 Jul 2004 at 5:19pm, Kris Vassallo wrote
> 420GB is not the total amount per night. Something is bogging this down
> though and I don't know what. I am not using holding disks because the
> majority of data is being backed up from one set of disks to another on
> the same machine. This one machine has a set of RAID 10 disks. These
> disks are backed up by amanda and put onto a set of RAID 5 disks. As far
Just as an aside, having your backup disks on the same controller as your
real data seems a bit risky to me -- what if the controller goes? What if
it takes multiple disks with it?
> as assigning spindle #s goes I don't quite understand why I would set
> that. I have inparallel set to 4 and then didn't define maxdumps, so I
> would assume that not more than 1 dumper would get started on a machine
> at once. Am I getting this right? Here is my email log from the backup
That's correct. maxdumps (dumps per host at a time) defaults to 1.
inparallel controls total number of backups at once.
> Total Full Daily
> -------- -------- --------
> Estimate Time (hrs:min) 7:30
As Frank pointed out, this is a big part of your problem. What OS and FS
are we talking here, and what backup program? And, again, sendsize*debug
will tell you which DLEs are taking so long to estimate.
--
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University
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- Re: Speed up 400GB backup?, (continued)
- Re: Speed up 400GB backup?, Mike Fedyk
- Re: Speed up 400GB backup?, Gene Heskett
- Re: Speed up 400GB backup?, Paul Bijnens
- Re: Speed up 400GB backup?, Stefan G. Weichinger
- Re: Speed up 400GB backup?, Kris Vassallo
- Re: Speed up 400GB backup?,
Joshua Baker-LePain <=
- Re: Speed up 400GB backup?, Kris Vassallo
- Re: Speed up 400GB backup?, Stefan G. Weichinger
- Re: Speed up 400GB backup?, Joshua Baker-LePain
- Re: Speed up 400GB backup?, Stefan G. Weichinger
- Re: Speed up 400GB backup?, Andreas Sundstrom
- Re: Speed up 400GB backup?, Kris Vassallo
- Re: Speed up 400GB backup?, Joshua Baker-LePain
- Re: Speed up 400GB backup?, Mike Fedyk
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- Re: Speed up 400GB backup?, Frank Smith
- Re: Speed up 400GB backup?, Mike Fedyk
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