On 1/28/2014 10:22 AM, Joe Rhodes wrote: > Well, as it turns out, there’s an slightly better way to do this, at least > for now. > > >> I see. With 10.7 and earlier there is no way to "temporarily" adjust the >> sleep timer. If a permanent long sleep timer is not desired, then it >> would require the RunBefore script to set the sleep timer with pmset and >> a RunAfter job to set it back to normal following the backup. My Mac >> clients are in and out of the office seemingly at random. It is not >> uncommon for the users to leave in the middle of a backup. Up grading to >> 10.8 and using caffeinate seems to be my best option, else they will be >> left with a long sleep timer while traveling should they leave in the >> middle of a backup. It is a real pain trying to backup these "road >> warrior" clients. >> > There’s an option to pmset called “noidle” that will keep the mac awake as > long as the command is running. It runs in the foreground. So here’s what I > do: > > Client Run Before Job = "bash -c \"/usr/bin/pmset noidle &> /dev/null < > /dev/null &\"" > Client Run After Job = "/usr/bin/killall pmset" > > > The first command will run pmset with the “noidle” option in the background. > This will keep the Mac awake. The second one goes through and kills the > pmset command after the backup is done, thus allowing it to fall asleep per > it’s schedule. > > That should take care of it for any recent OS X client, including 10.6 and > up. Not sure about 10.5 and earlier. It should also handle backup jobs of > arbitrary time. > > Also, if your Macs leave in the middle of a backup operation, they’ll have > that running. A restart will correct that. So perhaps the “caffeinate” > command is better for those folks. At least that will expire on it’s own. > > Note that the “noidle” option is deprecated as of 10.8 or 10.9 and Apple > officially recommends using caffeinate instead. So we might have to rethink > this sometime with the next release of OS X. > > > Sorry for all the back and forth on this. It’s something I’ve been wrestling > with for a while. I think this will be my final answer. :)
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