2007/9/19, Edward Shishkin <edward@xxxxxxxxxxx>: > 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. oic, I recalled one of my partition is extent-only and it does not have any data-lost for several months. It seems that if one use extent-only, he/she would not experience such corruption(and maybe better performance due to less tail_conversions?). BTW: the latest _stable_ version is "reiser4-for-2.6.22-2.patch.gz" for vanilla "linux-2.6.22.6.tar.bz2" and "reiser4progs-1.0.6.tar.gz", right? Thanks! > > >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? > >> > >>-- > >>BOFH excuse #435: > >> > >>Internet shut down due to maintenance > >> > >> > >> > >- > >To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in > >the body of a message to majordomo@xxxxxxxxxxxxxxx > >More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > > > > > > > - To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
