[Gluster-devel] general questions
Corin Langosch
corinl at gmx.de
Sun Feb 17 19:52:34 UTC 2008
Hi!
I'm pretty new to clustered storage but I really need it due to high
availabilty, amount of space needed and performance reasons for my
disk-less clients.
As for now I have a big server running a RAID5 exported as a block
device using iSCSI. I use ocfs2 to mount the device on the clients. So
far it works, but I'm not happy with it as I still have a single point
of failure, only all my clients can run without a disk and access the
same data. Using nfs is not an option as it's way to slow.
I just played a little with glusterfs (1.3.7) and I'm simply amazed by
it's easy of use. As this filesystem seems pretty new (didn't find a
history on the site when it started, but found only very little
information in wikipedia, google, no official debian packages, etc..) I
wonder if it's ready to be used in production environments.
My goal is to have 2-3 big storage servers for now. The storage of these
servers should exported unified with automatic replication. Currently I
have 25 clients, but I'll need to increase to 100-200 clients soon. The
clients to not generate a lof of traffic, so 2-3 servers should be ok
for now.
The my remaining questions are:
- is glusterfs the right choice for me? (if not, what is? *g*)
- is the current code (1.3.7) stable enough? no dataloss expected?
- if data is stored on all three nodes using automatic replication, can
I simply drop a server if it's damaged, replace the disk etc., put it
back online and it'll automatically be reused?
Corin
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