I spent a very long time today getting the ASF zones server patched for the recent sendmail vulnerability. The Sun Alert and the Interim Relief patch were simple enough except for the dependency on 118844-30 which again depends on a grub bootloader update. One thing lead to another (or should I say: one patch led to another) and with me playing it safe (the machine is 9 timezones away) and the mess of having to sort out patches by hand it all ended up taking 4 or 5 hours. I'm used to having support contracts in order and TLP/EIS at hand at work, so this ended up taking a lot more time than I expected.
With the day being more or less gone anyway, I decided that I might as well go ahead and implement
Fair Share Scheduling.
So far every zone got its own pool and each zone (except global) got the same number of shares. I doubt anyone will notice this change in their day to day running of things on the server, but in the case where something goes haywire and starts soaking resources, I hope the rest of the zones won't notice. I plan to let it run for a while and then see if there is a need for adjustment.
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