On Sat, Dec 08, 2001 at 01:22:56AM -0600, Steve Siegfried wrote:
> It isn't strictly necessary to shut mail down while taking a backup.  Just
> "renice" all currently executing copies of sendmail to "+20" before backing up
> /var/spool/mqueue, and then restore their priority to "0" afterward.
> 
> Doing this effectively prevents those copies of sendmail from being scheduled
> in the run queue unless there's absolutely nothing else to put in there... and
> since your backup script will be running, there will be.

I am not sure I agree with this. If process A is niced 20 and process B is
whatever and process B is blocked for IO... process A runs!

[Do try it at home:)]

florin

-- 

"If it's not broken, let's fix it till it is."

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