Messages in this thread |  | | | Subject | Re: [PATCH] scsi/sata write barrier support | | From | Greg Stark <> | | Date | 21 Feb 2005 23:42:40 -0500 |
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Jens Axboe <axboe@suse.de> 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 returns even though the data hasn't actually reached the disk. A power outage can cause lost data or a corrupted database.
Is there any progress getting fsync to use this new infrastructure so it can actually satisfy its contract?
-- greg
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