You are right. However, there is one issue. GFS "does not" like
metadata intensive workload, i.e. lots of small files in a flat
dirextory structure. A lot of intercluster locking communication will
eat your performance.
This should be one of the improvements, introduced with GFS2, which is
still a tech. preview.
I suggest you try things out, but you might end up preferring NFS.
Sell one of the FC cards for a beer. ;)) lots of beer.
Regards,
Andrey
Sent from my iPhone as I am away from office
On 02.10.2008, at 6:56, "Sanjay Chakraborty" <sanjaychakrab@xxxxxxxxx>
wrote:
You need cluster file system like GFS. ext3 file system will crash if
same lun is mounted from different servers.
2008/10/1 Ryan Golhar <golharam@xxxxxxxxx>:
Hi,
I'd like to get some opinions before I venture on this. I have a
couple of
Sun servers running RHEL 5.2. They all have fibre cards and are
connected
to a Sun 2540 Fibre Disk Array. I've allocated a chunk of disk
space space
on the SAN to be used for /home.
Previously, I would have set up an NFS server and mounted /home
from the
other servers. But now, that everything is connected directly to
the SAN I
could mount /home directly without using NFS.
Is this possible or am I still going to need an NFS server to
control access
to /home? The more I think about it, the more it worries me
because /home
is a logical volume. Can I have all the servers accessing this
partion at
the same time? If I can't have all the machines mount /home
directly from
the SAN, then that sort of defeats the purpose of having the SAN
for /home,
IMO.
What would be the best way for setting this up?
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Regards.
Sanjay Chakraborty
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