Re: Is ext4 safe for a production server?

[Chan Chung Hang Christopher <christopher.chan@xxxxxxxxxxxxxxx>]

Timo Schoeler wrote:
> thus Christopher Chan spake:
>   
>> Ian Forde wrote:
>>     
>>> On Dec 7, 2009, at 10:30 AM, Florin Andrei <florin@xxxxxxxxxxxxxxx>  
>>> wrote:
>>>
>>>       
>>>> John R Pierce wrote:
>>>>         
>>>>> 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
>>>>>           
>>>> I've both heard about and experienced first-hand data loss (pretty
>>>> severe actually, some incidents pretty recent) with XFS after power
>>>> failure. It used to be great for performance (not so great now that  
>>>> Ext4
>>>> is on the rise), but reliability was never its strong point. The  
>>>> bias on
>>>> this list is surprising and unjustified.
>>>>         
>>> Given that I stated my experience with XFS, and my rationale for using  
>>> it in *my* production environment, I take exception to your calling  
>>> said experience unjustified.
>>>
>>>       
>> The thing is that none of you ever stated how XFS was used. With 
>> hardware raid or software raid or lvm or memory disk...
>>     
>
> Speaking for me (on Linux systems) on top of LVM on top of md. On IRIX 
> as it was intended.
>
>   

That is a disaster combination for XFS even now. You mentioned some 
pretty hefty hardware in your other post...
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