[CentOS] Is ext4 safe for a production server?

Les Mikesell lesmikesell at gmail.com
Sun Dec 6 00:43:28 UTC 2009


Chan Chung Hang Christopher wrote:
> 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 [1] 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.

Do any of these handle per-file fsync() in a reasonable way (i.e. not waiting to 
flush the entire filesystem buffer)?

-- 
   Les Mikesell
    lesmikesell at gmail.com


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