is it safe to put Mac into sleep while synchronizing?

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is it safe to put Mac into sleep while synchronizing?

Postby FoolSync on Tue Apr 24, 2012 6:19 pm

Hi,

I'm just jumping onto the "cloud" hype. Now I want to backup (exact mirror) some user data from home to my new virtual disk in the clod via webdav.

My user data are hundreds of gigabyte as is my virtual disk capacity. Unfortunately my DSL upload bandwidth is soooo slooowww. It'll take a couple of weeks to have all files uploaded, partly because I have my Mac only powered on when I'm at home and sitting at the machine.

This means that I put my Mac to sleep as soon as I quit working. Although SFFS is then in the middle (!) of its sync process. So far my observation is that after awaking the Mac from sleep, SFFS will continue the sync process without complaining. And, no, I don't restart the sync-process, it is just continuing the old job.

For safety reason I did activate the "verify after copy" in the SFFS profile. And now I hope that the backup will be fine although paused some hundred times during system-sleep.

Is this a safe procedure?
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Re: is it safe to put Mac into sleep while synchronizing?

Postby superflexible on Wed Apr 25, 2012 1:17 pm

Especially when your profile is configured only for uploading, then this is safe.

Interrupted WebDAV uploads will fail and then be retried immediately when the computer wakes up. You will see error messages in the log files, but because the retries are usually successful, the end result is a successful run.

Of course when you run it again after a longer time, it will find new files that it has to upload. At this point it would also see any other files that are missing. For example if for some reason a file could not be uploaded, it will be done the next time the job runs.
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