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Re: [Dump-users] Multi volume dump problems
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From: Stelian P. <st...@ca...> - 2000-02-23 11:44:35
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On Tue, 22 Feb 2000, Mark E. Drummond wrote:
> I am in the process of doing a multi volume level 0 dump of my Linux box
> (Slack 7, kernel 2.2.14). The first tape went just fine, But the second
> tape "finished in" time is actually _increasing_!! Here is the dump
> output:
>
Well, I made some tests just to be sure and I don't think this
is actually a bug in dump...
The problem seems to be that the first tape was done
at a moment when your computer was running at a greater
speed that at the moment when you did the second tape (the
day after). Why, I don't know, but maybe you were doing
something which slowed down your computer (or your disk) -
a cron or something - on that particular morning.
The estimation is done (as all estimations) considering that
the speed would remain constant. In your case, this doesn't
seem to be the case.
This could be confirmed if I knew the end of your dump. If
it really made 4 hours or more to complete the dump, than
I'm right. On the contrary, if it made only 1h45 to complete
the dump, than someting is wrong in the estimation code.
If you really thinks that you encountered a bug, I could
use some more information about your system (see
REPORTING-BUGS).
Stelian.
> DUMPING /dev/hda6 ...
> DUMP: Date of this level 0 dump: Mon Feb 21 17:50:50 2000
> DUMP: Date of last level 0 dump: the epoch
> DUMP: Dumping /dev/hda6 (/home/ftp) to /dev/nst0
> DUMP: Label: none
> DUMP: mapping (Pass I) [regular files]
> DUMP: mapping (Pass II) [directories]
> DUMP: estimated 1543170 tape blocks.
> DUMP: Volume 1 started at: Mon Feb 21 17:50:59 2000
> DUMP: dumping (Pass III) [directories]
> DUMP: dumping (Pass IV) [regular files]
> DUMP: 3.30% done, finished in 2:26
> DUMP: 6.56% done, finished in 2:22
> DUMP: 9.48% done, finished in 2:23
> DUMP: 12.39% done, finished in 2:21
> DUMP: 15.32% done, finished in 2:18
> DUMP: 18.23% done, finished in 2:14
> DUMP: 21.15% done, finished in 2:10
> DUMP: 24.08% done, finished in 2:06
> DUMP: 27.11% done, finished in 2:00
> DUMP: 30.30% done, finished in 1:55
> DUMP: 33.28% done, finished in 1:50
> DUMP: 36.19% done, finished in 1:45
> DUMP: End of tape detected
> DUMP: Closing /dev/nst0
> DUMP: Volume 1 completed at: Mon Feb 21 18:51:27 2000
> DUMP: Volume 1 took 1:00:28
> DUMP: Volume 1 transfer rate: 155 KB/s
> DUMP: Change Volumes: Mount volume #2
> DUMP: Is the new volume mounted and ready to go?: ("yes" or "no") yes
> DUMP: Volume 2 started at: Tue Feb 22 08:46:47 2000
> DUMP: Volume 2 begins with blocks from inode 8197
> DUMP: 36.45% done, finished in 1:45
> DUMP: 36.47% done, finished in 1:54
> DUMP: 36.53% done, finished in 2:03
> DUMP: 36.58% done, finished in 2:13
> DUMP: 36.63% done, finished in 2:22
> DUMP: 36.68% done, finished in 2:31
> DUMP: 36.73% done, finished in 2:40
> DUMP: 36.79% done, finished in 2:50
> DUMP: 36.84% done, finished in 2:59
> DUMP: 36.89% done, finished in 3:08
> DUMP: 36.94% done, finished in 3:17
> DUMP: 37.00% done, finished in 3:26
> DUMP: 37.05% done, finished in 3:35
> DUMP: 37.10% done, finished in 3:44
> DUMP: 37.15% done, finished in 3:53
> DUMP: 37.20% done, finished in 4:02
> DUMP: 37.26% done, finished in 4:11
> DUMP: 37.31% done, finished in 4:20
>
> Is this a known bug?
>
> --
> ______________________________________________________
> Mark Drummond|ICQ#19153754|mailto:mar...@rm...
> Gang Warily|http://signals.rmc.ca/
> Kingston Linux Users Group|http://signals.rmc.ca/klug/
>
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Stelian Pop <sp...@ca...>| Too many things happened today
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