Soliciting Opinions Regarding File Systems

Hello,
 
We are considering what file system to use for an enterprise
deployment of Linux.  We're reviewing EXT3, Reiser, XFS, and
JFS.  The server will deal with a fair number of relatively
large (GB+) files, and a good amount of relatively
intermediate size (100-999 MB) files.  XFS and JFS appear to
do best with intermediate and large files, and fairly well
with smaller files.  Reiser does better with smaller files,
and EXT3 has the distinction of being the default file
system for Red Hat.  We feel XFS is likely the best choice,
but wonder if there are any caveats, considerations, etc. 
We will be taking advantage of LVM, if that has any
bearing.
 
Thank you.


 
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Sean McGlynn wrote:
>  
> We are considering what file system to use for an
enterprise deployment of Linux.  We're reviewing EXT3,
Reiser, XFS, and JFS.  The server will deal with a fair
number of relatively large (GB+) files, and a good amount of
relatively intermediate size (100-999 MB) files.  XFS and
JFS appear to do best with intermediate and large files, and
fairly well with smaller files.  Reiser does better with
smaller files, and EXT3 has the distinction of being the
default file system for Red Hat.  We feel XFS is likely the
best choice, but wonder if there are any caveats,
considerations, etc.  We will be taking advantage of LVM, if
that has any bearing.
I second XFS.  While it's not an enterprise example - I use
XFS/LVM at 
home to store all my DVDs (3-5gig files)and have no
problems.  
Considering the file system is a very mature and handles
large files 
well I think it's a no brainer.

-Jim

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Sean McGlynn wrote:
> Hello,
>  
> We are considering what file system to use for an
enterprise deployment of Linux.  We're reviewing EXT3,
Reiser, XFS, and JFS.  The server will deal with a fair
number of relatively large (GB+) files, and a good amount of
relatively intermediate size (100-999 MB) files.  XFS and
JFS appear to do best with intermediate and large files, and
fairly well with smaller files.  Reiser does better with
smaller files, and EXT3 has the distinction of being the
default file system for Red Hat.  We feel XFS is likely the
best choice, but wonder if there are any caveats,
considerations, etc.  We will be taking advantage of LVM, if
that has any bearing.
>  
> Thank you.
> 

I currently handle a little more than 20TB on an XFS SAN
handling a 
mixture of large (>1GB) and small files for an weather
research project. 
  I can say that XFS works really well in this environment
with 
stability and throughput.  This project generates
multiple-GB files in a 
4-6 hour period and during the generation of these files,
the SGI boxes 
doing the processing (2 3700s with 20+ CPUS each) are
continually 
hammering the filesystem on the SAN to pull the smaller
files in for 
processing.  In every case XFS has held up under the load.

I can't think of a single caveat to using XFS, the
maintenance/recovery 
tools work really well (we've had one RAID failure) and are
very fast on 
large filesystems.

My.$0.02 from an enterprise perspective.



-- 
Ita erat quando hic adveni.

Mark Haney
Sr. Systems Administrator
ERC Broadband
(828) 350-2415

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