On 22.10.2011 20:30, Andrew Deason wrote:
On Sat, 22 Oct 2011 01:06:53 +0000
Coy Hile<[email protected]> wrote:
Out of curiousity (as I'm sure I'll come across it soonn enough after
I rebuild my cell), if all dbservers must run the same version, what
is the supported process for updating dbservers? Certainly if you did
"yum upgrade list-of-openafs-packages" on all three and rebooted them
simultaneously, you'd have an outage -- however short it may be.
Only the mayor number must be same, 1.2 only with 1.2, 1.4 only with
1.4, 1.6 only with 1.6,...
Whatever revision behind this - usual does not care.
But yes, it does implify a short outtake. For me it was a nice sunday
with bad weather outside, I got a new server, set it up ahead, shut down
my 3 DB servers and started up the new one. Afterwards I updated the
other 2 remaining and started them. Took over all <30 min if well prepared.
A mayor Upgrade like this is usual needed only every few years, the
1.4.x cyclus was quite some years. For luck you do not ave to upgrade
the DB servers with fileservers - you can wait some time, e.g. use
maintanance window around Xmas time^^
MfG,
Lars Schimmer
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