Sorry for this dupe email. Didnt Reply-all last time:
Hi Krishna,
Im just doing testing for now, but the idea is to hopefully have a
circular redundant cluster mainly for web servers serving fairly large
video for a free service. For example, having 10 total servers with
100gig drives that are serving web requests and also being gluster
servers and clients.
Ideally the ability to glob together all the machines/drives/bricks into
one config and gluster handle the redundancy would be great. Possibly
even handling failover. Unfortunately, conventional RAID5 on each
machine isn't always an option. RAIF is interesting, however (see below).
As I see it right now, I would need to use an outside method to
replicate the gluster filesystem to a backup filesystem. If a
machine/brick fails then I'd resync from the backup. (Another poster
points out that if a machine/brick goes away there is the possibility of
duplicate files).
I have tested setting up 2 seperate gluster filesystems as an NFS
replacement (per the FAQ). I layered RAIF on top of them for RAID1
between the 2 gluster filesystems. It seems to work, but I havent really
banged on it. RAIF can do RAID0-6 per file (regex). It works at the
filesystem level just like glusterfs. Its quite interesting. Although,
again, to have redundancy within gluster would be absolutely ideal and,
in my opinion, make glusterfs a very hard to beat filesystem.
RAIF info:
http://lkml.org/lkml/2006/12/13/168
http://filesystems.org/project-raif.html
Source:
ftp://ftp.fsl.cs.sunysb.edu/pub/raif
Thanks for your time,
Dale
Krishna Srinivas wrote:
Hi Dale,
You will get the automatic file replication (AFR) translator by
mid feb.
Could you let us know how you are using GlusterFS
and how AFR translator is going to be useful for you?
(will help us understand how users are using it)
Regards,
Krishna
On 2/1/07, Dale Dude <dale@xxxxxxxxxxxxxxx> wrote:
Greetings,
Im looking for the features/mirror translator referenced in the
GlusterFS FAQ. Is that available for use? Maybe its not stable enough to
release?
Regards,
Dale
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