[CentOS] 40TB File System Recommendations

Thu Apr 14 15:04:27 UTC 2011
Christopher Chan <christopher.chan at bradbury.edu.hk>

On Thursday, April 14, 2011 10:47 PM, Peter Kjellström wrote:
> On Wednesday, April 13, 2011 09:29:29 AM Matthew Feinberg wrote:
>> Thank you everyone for the advice and great information. From what I am
>> gathering XFS is the way to go.
>>
>> A couple more questions.
>> What partitioning utility is suggested? parted and fdisk do not seem to
>> be doing the job.
>
> My suggestion is don't partition at all, use LVM.
>
>> Raid Level. I am considering moving away from the raid6 due to possible
>> write performance issues. The array is 22 disks. I am not opposed to
>> going with raid10 but I am looking for a good balance of
>> performance/capacity.
>
> Then try both for your use case and your hardware. We have wide raid6 setups
> that does well over 500 MB/s write (that is: not all raid6 writes suck...).
>

/me replaces all of Peter's cache with 64MB modules.

Let's try again.