[CentOS] Is ext4 safe for a production server?
Chan Chung Hang Christopher
christopher.chan at bradbury.edu.hk
Sat Dec 5 23:52:38 UTC 2009
John R Pierce wrote:
> Timo Schoeler wrote:
>> For enterprise environments my favorite FS is XFS, YMMV, though.
> I've always avoided XFS because A) it wsan't supported natively in RHEL
> anyways, and B) I've heard far too many stories about catastrophic loss
> problems and day long FSCK sessions after power failures  or what
> have you
Fixed with the introduction of barriers for stuff that use fsync
(therefore xfs on a partition, not lvm since dm does not support
barriers) but then one probably uses hw raid with big bbu caches for xfs....
> is B) no longer an issue?
> I wanna know how come JFS/JFS2 (originally from IBM) isn't more popular
> in the linux world? At least as implemented in AIX, its rock stable,
> journaling, excellent performance, and handles both huge files and lots
> of tiny files without blinking. jfs2 handles really huge file systems,
> too. I really like how, in AIX, the VM and FS tools are coordinated, so
> expanding and reorganizing file systems is trivial, nearly as simple as
> Sun's ZFS.
yeah, love jfs. Using that in Ubuntu land.
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