> On Mon 21 Aug 2006, Tomasz Chmielewski wrote:
(...)
>> Process 23311 detached
>>
>>
>> [EMAIL PROTECTED] kernel]# strace -p 23310
>> Process 23310 attached - interrupt to quit
>> select(6, [5], [], NULL, {4, 800000}) = 0 (Timeout)
>> select(6, [5], [], NULL, {60, 0}) = 0 (Timeout)
>> select(6, [5], [], NULL, {60, 0}) = 0 (Timeout)
>> select(6, [5], [], NULL, {60, 0}
>>
>> (ctrl + C after two minutes or so)
>>
>>
>> It's in that state for several hours now.
>> Will it eventually wake up and finish, or perhaps something doesn't work
>> properly?
>
> The other side is probably busy building its list of files for the
> comparison. Can you strace that process?
There is no "other side":
rsync --delete-before -a -H -v --progress --stats /srv/backuppc-data/
/mnt/iscsi_backup/backuppc/
It's not over SSH or anything similar.
/mnt/iscsi_backup/ is /dev/sda device, mounted only on that machine, used by
rsync only:
# lsof -n|grep /mnt/iscsi_backup
rsync 23310 root cwd DIR 8,0 4096 2
/mnt/iscsi_backup
rsync 23311 root cwd DIR 8,0 4096 21774337
/mnt/iscsi_backup/backuppc
>> Those "Timeout" messages in strace output worry me and make me think
>> something didn't go as planned.
>>
>> I tried rsync 2.6.6, and then upgraded to 2.6.8, but both froze (at least it
>> looks like that to me).
>
> Did you upgrade to 2.6.8 on both sides? Newer versions are better at
> using less memory, although I don't know how much difference is between
> 2.6.6 and 2.6.8 in that respect.
Both versions built the file list consisting of almost 8 million files
relatively fast (under an hour I think), after that, I'm waiting for the 4th
hour right now, and nothing seems to happen.
The system is swapping heavily, as I used -H options, and there are lots of
hardlinks there:
# iostat /dev/md0 # swap partition
Linux 2.6.16-xen (syn1) 21.08.2006
avg-cpu: %user %nice %system %iowait %idle
18,84 3,40 11,85 17,96 47,96
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
md0 81,14 497,92 151,23 127504024 38725232
Perhaps I should check back in the morning, maybe it'll finish by then?
If yes, I'll give some numbers on how long did that take; if it will not
finish, I'll complain some more :)
--
Tomasz Chmielewski
http://wpkg.org
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