On Thursday 05 December 2002 14:59, Nick Murtagh wrote:
> Liam Bedford wrote:
> > no, it's a free feature.. just turn your machine off a couple of times
> > and you should get some corrupt data out of reiser. Out of the people I
> > know who were running, the majority of them have lost data (including
> > me). At the very least, turn off the tail optimization (mount option
> > notail).
>> This has happened to me too. Reiserfs v3 journals metadata only. If you
> expect your data to survive unexpected poweroffs you're in trouble.
> It's hardly a secret. If you need full journalling, use ext3 +
> data=journal. Even then, if you're using IDE disks, there's still a
> chance data won't get written to disk (make sure write caching is turned
> off). If you want to go further, you'll need something with battery
> backed cache (like a decent SCSI RAID card). It's a question of how much
> time / effort / money you're willing to put in.
>> Even with a totally trashed reiserfs I was able to recover most of the
> data. I ended up with loads of files in lost+found, but the important
> stuff survived with filenames intact.
I'm one of the people Liam knows who were running Reiser. One of my crashes
was a 15GB FS on my notebook turned into total shite. Even doing
dd if=fucked_reiser_fs |strings|less
produced nothing recognisable.
> Anyway, reiserfs v4 will support transactions and transcrashes.
Feel free to trust a total rewrite of the Reiser code with YOUR data. I won't
be trusting any more of mine, or my customers', to it.
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