Re: [PATCH] scsi/sata write barrier support

2005-03-01 Thread Greg Stark
Jens Axboe <[EMAIL PROTECTED]> writes: > > What about a non-journaled fs, or at least a meta-data-only-journaled fs? > > Journaled FS's don't mix well with transaction based databases since they're > > basically doing their own journaling anyways. > > Only works on ext3 and reiserfs currently. D

Re: [PATCH] scsi/sata write barrier support

2005-02-22 Thread Greg Stark
Jens Axboe <[EMAIL PROTECTED]> writes: > fsync has been working all along, since the initial barrier support for > ide. only ext3 and reiserfs support it. Really? That's huge news. Since what kernel version(s) is that? What about a non-journaled fs, or at least a meta-data-only-journaled fs? Jo

Re: [PATCH] scsi/sata write barrier support

2005-02-21 Thread Greg Stark
Jens Axboe <[EMAIL PROTECTED]> writes: > For the longest time, only the old PATA drivers supported barrier writes > with journalled file systems. What about for fsync(2)? One of the most frequent sources of data loss on the postgres mailing list has to do with users with IDE drives where fsync