Re: [MooseFS-Users] BTRFS

[F. O. O. <oz...@gm...>]

On Wed, 22 Jul 2015 14:35:04 -0300
"Ricardo J. Barberis" <ric...@do...> wrote:

> (This mail was supposed to go through last week during sourceForge's outage, 
> sorry if it arrives duplicate).
> 
> El Jueves 16/07/2015, F. O. Ozbek escribió:
> > On 07/15/2015 10:09 PM, Michael Tinsay wrote:
> > > Is there a performance boost in increasing the chunkservers and goal?
> > > Adding an additional chunkserver would be more expensive than doubling
> > > the current storage space; and I still have enough drive bays in each
> > > chunkserver for this.  So at the moment, I can only justify spending for
> > > an additional server if there is a significant performance improvement.
> > >
> > > It is very gratifying to see that upgrading to 2.x would greatly reduce
> > > my concern.  So I guess I'll have to stick it out with ext4 until btrfs
> > > is tested more -- I had several bad experiences (fs/data corruption)
> > > with xfs in the past that made me stay away from it for good.
> >
> > We have used xfs on several servers with couple hundred TBs of actual
> > data with no problems. I don't know how long ago you had
> > bad experiences with xfs but it is probably worth trying again.
> >
> > Even in the case of an underlying filesystem corruption,
> > keep in mind that MooseFS has built-in error detection and
> > self healing capabilities. If it detects an error with a chunk
> > it will recreate it from a safe copy of that chunk.
> 
> And in case a filesystem check is needed, xfs_repair is much faster (if a  
> memory hog) than e2fsck in my experience, which is a plus with filesystems  
> over 1TB.
> 
> But then again, I've only been using XFS with CentOS 7 for about a year or so,  
> always used ext3/4 with CentOS 5/6, Ubuntu, Debian, Slackware, etc.


We used xfs with ubuntu for the last 4 years exclusively.
No problems at all, it is rock solid.

-- F. Ozbek

> 
> Regards,
> -- 
> Ricardo J. Barberis
> Senior SysAdmin / IT Architect
> DonWeb
> La Actitud Es Todo
> www.DonWeb.com
> 
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-- 
F. O. Ozbek <oz...@gm...>