Jens Axboe <axboe@xxxxxxx> writes: > On Thu, Jun 30 2005, Edwards, Scott (GE Healthcare) wrote: >> Hello, >> >> Can anyone tell me if the write cache on SATA drives are handled such >> that journaling file systems work correctly? Back in the 2.6.5 - >> 2.6.7 time frame I had to disable the write cache to get ext3 to not >> trash things when the power was lost. With kernel 2.6.10 would I >> still need to disable the write cache? > > With 2.6.12.x it should work, if you use ext3 or reiser and the > appropriate mount options (-o barrier=1 for ext3, barrier=flush for > reiserfs). 2.6.11 and earlier does not work on SATA. I presume this means "libata" exclusively, no? Which is the oldest version where this works 1. for SCSI (perhaps by adaptor)? 2. for traditional IDE (such as VIA 82*, PIIX_*)? 3. for RAID? 4. for XFS or JFS? I have started to compile a list of requirements, <http://home.pages.de/~mandree/linux/kernel/safe-write-caches.html> Contributions solicited. -- Matthias Andree - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
