Hi Guys. Thanks for all the good suggestions so far.
Just to clarify a couple of points if it matters.
I am going to use RHEL 6 for the fileserver. I have a test VM up and
working with openafs 1.4.14 to start with. Seems to work ok with ext4. The
version of VMware we are using is VMware ESX. We pay full price for that.
I think we are slowly moving to version 4 but now I think now its mostly
3. (We can use vmxnet 2 NIC but not 3 on most boxes so far)
It seems like on Solaris 10 with openafs 1.4.11 the server seems to use
about 1 GB when its not backing up. I am not sure how much it uses at
"peak times" or when doing full backups. And I don't have the new backup
software (yet). Teradactyl is the backup software we are switching to to
ditch Solaris for Linux.
I gather real servers aren't an option `cause management really likes
moving most everything into VMware. We already moved all our license and
web servers into VMware and we have some other weird servers working in it
also. Even Windows infrastucture like domain controllers and stuff. If
everyone says its a bad idea I can make an argument though. :)
The /vicepX patitions lives on a SAN in both systems.
Thanks again!
Gary Gatling | ITECS Systems
ITECS, BOX 7901 | Operations and Systems Analyst
NCSU, Raleigh, NC | Email: [email protected]
27695-7901 | Phone: (919) 513-4572 (5C Page Hall)
On Fri, 28 Jan 2011, Gary Gatling wrote:
Hello,
I am in charge of several afs servers in our college. Right now there are 5
afs servers running on 5 SPARC based servers. We are ditching Solaris since
it sucks so bad and are going to move to Linux VM's running inside of VMware.
I was asked how much disk and memory we would need for the VMs. I was then
critized for suggesting that each VM needs 4GB just like the real servers. I
did not suggest the 4GB in each server. That was decided by a guy who quit a
few years ago.
So....
Is there some rule of thumb for how one calculates the amout of RAM a AFS
file server should have. The 5 servers serve out about 2 TB of data. So each
fileserver has like about 500 GB of afs volumes on. Also how to go about
calculating will be good when the justifications for RAM are asked?
Thanks for any ideas anyone will have.
Gary Gatling | ITECS Systems
ITECS, BOX 7901 | Operations and Systems Analyst
NCSU, Raleigh, NC | Email: [email protected]
27695-7901 | Phone: (919) 513-4572 (5C Page Hall)
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