On Wed, 14 Nov 2007 09:31:29 -0300 Thomas M Steenholdt <tmus@xxxxxxx> wrote: > Other than what the other guys have mentioned, like perhaps making it > possible to run scripts after ro remounting "/", a delayed UPS > poweroff from a normal initscript is less precise, since you have no > reliable measure of how long the system will take to power down > (perhaps you're running large databases?). You could end up powering > off the UPS outlets before the system is ready for it. Or specifying > a long delay, the system might need to wait for far too long for the > system to restart, even though power returned during the shutdown. It > would be much better to call the UPS poweroff command as the very > last thing with a 5-10 second delay, just before the system halts, > rather than having to specify a 5 minute delay for an initscript > based solution. It's more of a "hook" based approach, which IMO is > better for this. Wouldn't you just make sure that the UPS shut down script is scheduled /after/ the database shut down, and all other critical services? IE make it close to last in the shutdown schedule. -- Jesse Keating Fedora -- All my bits are free, are yours?
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