Re: dumps fail: data timeout
2002-08-28 16:15:50
On Wednesday 28 August 2002 15:13, Amy Tanner wrote:
>On Wed, Aug 28, 2002 at 02:30:41PM -0400, Gene Heskett
(gene_heskett AT iolinc DOT net) wrote:
>> 3600 certainly does seem like enough, thats ten hours!
My mistake (fat fingers on small calc), thats an hour, s/b enough.
>> What about the etimeout value? Thats the amount of time allowed
>> forf the estimate phase's report to come back.
>
>etimeout 300
Which looks like enough, but note on down the page where it
indicates it took 7 minutes, not 5.
>It looks like the estimate phase completes though:
>
>/-- delphi.ahp /u04 lev 0 FAILED [data timeout]
>sendbackup: start [delphi.ahpcrc.org:/u04 level 0]
>sendbackup: info BACKUP=/sbin/dump
>sendbackup: info RECOVER_CMD=/sbin/restore -f... -
>sendbackup: info end
yup
>| DUMP: Date of this level 0 dump: Tue Aug 27 23:44:06 2002
>| DUMP: Date of last level 0 dump: the epoch
>| DUMP: Dumping /dev/ida/c0d5p1 (/u04) to standard output
>| DUMP: Label: none
>| DUMP: mapping (Pass I) [regular files]
>| DUMP: mapping (Pass II) [directories]
>| DUMP: estimated 265593 tape blocks.
>| DUMP: Volume 1 started at: Tue Aug 27 23:44:15 2002
>| DUMP: dumping (Pass III) [directories]
>| DUMP: dumping (Pass IV) [regular files]
>
>\--------
>
>> > We recently switched to hardware compression because we
>> > got a new tape changer. Perhaps that's the cause of the
>> > problems.
>>
>> Is it slower in terms of mega(or kilo)bytes/second i/o speeds?
>
>Unfortunately I don't have historical reports to check that. The
>current stats are:
>
> Total Full Daily
> -------- -------- --------
>Estimate Time (hrs:min) 0:07
>Run Time (hrs:min) 9:33
>Dump Time (hrs:min) 8:30 6:20 2:11
>Output Size (meg) 15258.3 10167.3 5091.0
>Original Size (meg) 15258.3 10167.3 5091.0
>Avg Compressed Size (%) -- -- --
> (level:#disks ...) Filesystems Dumped 71 20
> 51 (1:43 2:6 3:2) Avg Dump Rate (k/s) 510.3
> 457.0 665.0
>
>Tape Time (hrs:min) 1:54 1:21 0:33
>Tape Size (meg) 15260.5 10167.9 5092.6
>Tape Used (%) 46.6 31.0 15.5
> (level:#disks ...) Filesystems Taped 71 20
> 51 (1:43 2:6 3:2) Avg Tp Write Rate (k/s) 2284.3
> 2151.3 2606.0
This doesn't add up, you're moving about 2.2 megs/second, and it
takes over 8 hours? My calculator says almost 2. The network
speed must be killing you is my first, and probably wrong
conclusion.
>I'm doing a test dump now with just the 2 machines that are having
> problems.
--
Cheers, Gene
AMD K6-III@500mhz 320M
Athlon1600XP@1400mhz 512M
99.13% setiathome rank, not too shabby for a WV hillbilly
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