[CentOS] The state of xfs on CentOS 6?

Wed May 28 18:24:52 UTC 2014
m.roth at 5-cent.us <m.roth at 5-cent.us>

Keith Keller wrote:
> On 2014-05-28, m.roth at 5-cent.us <m.roth at 5-cent.us> wrote:
>> We're looking at getting an HBR (that's a technical term, honkin' big
>> RAID). What I'm considering is, rather than chopping it up into 14TB or
>> 16TB filesystems, of using xfs for really big filesystems. The question
>> that's come up is: what's the state of xfs on CentOS6? I've seen a
>> number of older threads seeing problems with it - has that mostly been
>> resolved?
>
> I have some largish (>20TB) xfs filesystems on CentOS 6, and things seem
> fine.  The one issue I had, quite a while ago (and maybe even in CentOS
> 5?), was with growing the fs, but I grew one on CentOS 6 recently with
> no problems.
>
>> How does it work if we have some *huge* files, and lots and lots of
>> smaller files?
>
> Define "huge".  It seems fine for our use with multi-dozen-GB files
> (possibly getting to >100GB files) and many small files, but our load is
> generally not that heavy.

At the moment, files that are tens of gigs, but I would not be at *all*
surprised to see another decimal point there in the next year or two. HBR
- a Jetstor 742 with 42 4TB drives.... I'm assuming they'll want me to do
RAID 6 for this, as we've been doing on other RAIDs.

         mark