On Thu, May 12, 2011 at 07:45:25AM +0200, Swâmi Petaramesh wrote: > Hi list, > > I'm a new BTRFS user and will try not to ask FAQs ;-) > > I'm currently using Btrfs v0.19 on stock Ubuntu Natty (kernel 2.6.38) > and use a BTRFS inside an encrypted LVM. > > The wiki "gotchas" page https://btrfs.wiki.kernel.org/index.php/Gotchas > states : > « btrfs volumes on top of dm-crypt block devices (and possibly LVM) > require write-caching to be turned off on the underlying HDD. Failing to > do so, in the event of a power failure, may result in corruption not yet > handled by btrfs code. (2.6.33) » > > ...So I've turned my write cache off, but I notice this is stated for > kernel 2.6.33, so wonder if this still is an issue with 2.6.38, or has > it been addressed since ? > > Thanks in advance for your help. If you mount and start writing and don't see a message in dmesg about disabling barriers then you should be good to go. Thanks, Josef -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
