Re: Brief Outages...

To: " users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Brief Outages...
From: Just Marc <marc@xxxxxxxxx>
Date: Thu, 29 Jun 2006 17:08:58 +0100

On 29/06/2006 16:49, Just Marc wrote:
Just out of curiosity guys, why are you using ancient kernels? 2.6 is stable by now :)

"Guy", if anything - my posts referred to earlier were from this time last year :)

If you insist, upgrade to the latest 2.4 kernel which is probably a year or two NEWER than what you are running.

Time to make that long overdue upgrade,

That's not always possible. At the time I wrote that problem up last year, and the helpful chaps figured out the actual problem with the FTP helper breaking persistence, I had about 10,000 websites in that cluster and couldn't afford downtime. Although saying that I had mitigated it by using keepalived to failover/back between two directors, so I was in a position to reboot the live director at will.

Not always possible indeed, but if you can't afford a downtime of ONE machine, something is wrong and that something needs to be fixed first.
Not everyone has that luxury - and a lot of people seem to be using LVS "out of the box" with whatever distribution they currently use (as seems to be the case with the OP here). Several distributions (which shall remain nameless!) keep their STABLE (oh, there I go) branches aeons behind the bleeding edge for the simple reason that more often than not there just isn't any reason to go there.

Debatable. People should know how to upgrade their kernels and should keep current when the situation permits -- when their ancident rh-as-if-enterprise kernel doesn't have dependencies on ancient binary-only provided drivers or what not.

The adage "if it ain't broke, don't fix it" applies. Although not in this case, clearly :)
Oh well!

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