Les Mikesell wrote:
Rudi Ahlers wrote:
David Mackintosh wrote:
On Mon, Jun 30, 2008 at 02:08:33PM -0500, Les Mikesell wrote:
Have you updated to Centos 5.2 yet? And if so, did it improve NFS
performance?
Sorry, these computers are in production now so I can't fiddle with
them.
Besides, this would be a "long" upgrade -- they are both CentOS 4.x
systems.
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This raises an interesting question. What do you do in this kind of
scenario? How do you upgrade a NAS / SAN with say 5 / 10 TB worth of
data?
I haven't done anything that big, but I normally put the OS on a small
mirrored pair of swappable drives so an upgrade consists of swapping
those drives with a new set pre-installed in a spare chassis. That
way you are only down for the time it takes to reboot and if anything
goes wrong you can put the old set back. In any case you wouldn't be
doing anything to the data partitions in an upgrade.
ok, so in your setup the OS is totally separate from the data itself?
So, I guess I need to rethink my setup. Since I have a 2U chassis, which
can only take 6 drives, I guess I should maybe look into running the OS
from a USB memory stick or something.
--
Kind Regards
Rudi Ahlers
CEO, SoftDux
Web: http://www.SoftDux.com
Check out my technical blog, http://blog.softdux.com for Linux or other
technical stuff, or visit http://www.WebHostingTalk.co.za for Web Hosting stuff
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