[SGVLUG] FW: Video server

[Matt Campbell]

Thanks Chris,

I talked to a number of people and the recommendation had been to avoid ext3
with large static files as the journaling would slow down performance.  It
sounds like you disagree.  Where do you go to find a good performance
comparison of the various FSs?

Matt

> -----Original Message-----
> From: sgvlug-bounces at sgvlug.net [mailto:sgvlug-bounces at sgvlug.net] On
> Behalf Of Chris Louden
> Sent: Wednesday, April 15, 2009 3:11 PM
> To: SGVLUG Discussion List.
> Subject: Re: [SGVLUG] Video server
> 
> On Wed, Apr 15, 2009 at 3:07 PM, Chris Louden <chris at chrislouden.com>
> wrote:
> > Ext2?
> >
> > ...3 would be faster....EXT4 or XFS would be even faster.
> 
> Especially if you are dealing with large files.
> 
> -Chris
> 
> 
> >
> > -Chris
> >
> >
> >
> > On Wed, Apr 15, 2009 at 2:38 PM, Matt Campbell <dvdmatt at gmail.com>
> wrote:
> >> Hi Matti, thanks for answering.
> >>
> >> The details are on the site;).  There are 12 WD RE3 1TB drives
> hooked up to
> >> an Adaptec 31205 SAS/SATA RAID controller.  This appears as /dev/sdb
> and has
> >> a single Ext2 partition on it.
> >>
> >> The 31205 is a PCIe8 card supported on RedHat and SUSE directly and
> reported
> >> working on Fedora, Ubuntu and others.  It looks like they released
> the
> >> driver source code for a number of distros.
> >>
> >> What other details are useful?
> >>
> >> Matt
> >>
> >>> -----Original Message-----
> >>> From: sgvlug-bounces at sgvlug.net [mailto:sgvlug-bounces at sgvlug.net]
> On
> >>> Behalf Of matti
> >>> Sent: Wednesday, April 15, 2009 1:50 PM
> >>> To: SGVLUG Discussion List.
> >>> Subject: Re: [SGVLUG] Video server
> >>>
> >>>
> >>> Hi,
> >>>
> >>> What's the details on the RAID config?
> >>> ( sw/hw? )
> >>>
> >>> Drives?
> >>>
> >>> thanks
> >>> matti
> >>>
> >>> > The RAID is giving less than 20MB/sec
> >>> > write speeds
> >>> > (>300MB/sec read though!)  Does anyone know what I
> >>> > can look at to help
> >>> > diagnose this?
> >>>
> >>>
> >>>
> >>>
> >>
> >>
> >