Re: amanda: more on taking forever to do a full backup
2003-06-16 14:26:54
On Mon, 16 Jun 2003 at 2:13pm, Michael Packer wrote
> No compression....i don't understand why it takes so long to dump?
> On the other machine we have running Amanda it dumps 5 gig in 25
> minutes....what should I look for? I'm at a total loss...
First off, play with the columnspec parameter in amanda.conf to make the
emails actually readable. Please.
> Estimate Time (hrs:min) 0:15
> Run Time (hrs:min) 8:45
> Dump Time (hrs:min) 8:25 8:25 0:00
> Output Size (meg) 28778.8 28778.8 0.0
> Original Size (meg) 28778.8 28778.8 0.0
*snip*
HOSTNAME DISK L ORIG-KB OUT-KB COMP% MMM:SS KB/s MMM:SS
KB/s
-------------------------- ---------------------------------
------------
localhost sda2 0 878130 878144 -- 4:24 3331.3 4:25 3312.8
localhost sda3 0 3830 3840 -- 0:01 5287.9 0:04 924.5
localhost sda5 0 2801327028013280 -- 492:35 947.8 492:37 947.8
localhost sda7 0 385930 385952 -- 2:21 2734.8 2:24 2675.2
localhost sda8 0 185380 185408 -- 0:28 6595.3 0:53 3504.5
localhost sda9 0 1830 1856 -- 0:01 2449.6 0:03 634.7
localhost sdb1 0 1140 1152 -- 5:22 3.5 0:03 396.3
I cleaned up your report a bit. Note that sda5 is the majority of your
space, but has the slowest dump rate -- very slow, in fact. Look into
that. SCSI bus contention? Bad drive? Anything in the system logs? How
fast can you 'tar c > /dev/null' that drive?
--
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University
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