>16tb filesystems on linux

Nick Stephens nick at ceiva.com
Thu Aug 26 12:54:09 CDT 2010


Nils Breunese (Lemonbit) wrote:
> Nick Stephens wrote:
>
>   
>> I recently purchased a PE610 with a PERC6 card attached to an MD1000 
>> with about 26TB of space.  I know from my own research that ext4 
>> supports up to an exabyte, however it appears that the e2fs team has not 
>> yet created a mkfs.ext4 that supports anything bigger than 16TB.
>>
>> I have played with XFS in the past, and sadly it's performance is 
>> severely lacking for our environment, so it is not an option.
>>
>> I am very interested in ZFS, but it seems like it will never make it (in 
>> a stable fashion) into the linux world at this rate.
>>
>> Does anyone have any tips or tricks for this scenario?  I am utilizing 
>> RHEL5 based installations, btw.
>>     
>
> Dividing you 26 TB into multiple partitions is not an option?
>
> Nils.
>   

It is certainly an option (and was my initial consideration) but would 
add some difficulties into how we typically handle our disk balancing.  
It's not out of the question and is my current backup plan, but I wanted 
to make sure I wasn't missing something that could be better.

Nick
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