Xu CanHao wrote:
Hello!
1, The system had some power lost recently, I believe the file lost
during one time(I did not write to that file at once).
2, Is there any evidence show that 2.6.22 much more stable(or at least
solved that behavior)?
Yes,
it seems, you encountered the bug fixed in reiser4 patch for 2.6.22.
This was discussed in the list a long time ago, also the description
can be found in the patch header:
...
2) unix-file plugin fixups:
. Fixed bug in extent2tail conversion.
Bug description:
when converting partially converted file
(with flag REISER4_PART_MIXED installed)
reiser4_cut_tree() starts to cut old metatada
from wrong offset. Result is data corruption
when booting after system crach, power loss,
etc.;
...
Please, update your reiser4 and reiser4progs to the latest
versions, and let me know if any problems.
Thanks,
Edward.
3, There is no /lost+found directory in a reiser4 partition(AFAIK it's ext2/3).
4, I've no idea _when_ does the file lost, so tracing the logs is not possible.
5, fsck.reiser4 reports no corruption.
Thanks!
2007/9/3, Christian Kujau <lists@xxxxxxxxxxxxxxx>:
On Tue, 28 Aug 2007, Xu CanHao wrote:
I've heard someone said reiser4's possibility of losing some file
when crash. Well, I have one exactly the same experience: my system is
slackware 11.0, and vanilla 2.6.21+patch for 2.6.21+r4tools 1.0.5,
after one or two times of power loss, (at least)my /usr/sbin/sendmail
lost, and the partition free space have a ~200MB less. Because of
/usr/sbin/sendmail is not system critical file, I think the loss could
happened some days ago. Any ideas?
Does this happen to your system when it has crashed or are you losing
files during runtime? Did you try 2.6.22? Checked /lost+found, the system
logs? Does fsck report something useful?
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