Hobocopy use

[Ann, Wamburu]

Hi,

 

How do I back up my emails on the network drive using Hobocopy?

 

Thanks,

 

Ann

[Craig Andera]

I'm afraid that's not possible. Hobocopy uses the Volume Shadow Service to allow it to copy files in use. The Volume Shadow Service only works against files on your computer. You either need to run hobocopy on the other machine or use some other mechanism for backup.

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[n90...@gmail.com]

Excuse me, I still don't understand Volume Shadow Service how to work after I google it? Could you explain it briefly.

Craig Andera於 2014年12月11日星期四UTC+8下午7時39分11秒寫道：

[Craig Andera]

The Volume Shadow Service creates what are called "shadow copies". This is basically an unchanging snapshot of the local disk, so you can make copies of files without them changing or being locked so you can't access them. Hobocopy relies on it; otherwise it can't copy files that are in use. But it doesn't work on network drives, because those files live on a different computer, where the Volume Shadow Service can't create copies of them.

[n90...@gmail.com]

okay, I got it.

I wonder hoe hobocopy determine copy a file? by timestamp or file size? Thanks

Ann, Wamburu於 2014年12月11日星期四UTC+8下午7時06分25秒寫道：

[Craig Andera]

If it's a full copy, it just copies the file. In incremental mode, it compares the time of the last copy (stored in the statefile you specified when you made the full copy) with the timestamp of the file,  and copies files that are newer than that.

In general, it is probably better to use something like robocopy with shadowspawn. Shadowspawn gives you the snapshotting capabilities of hobocopy, without the copy part. Then you can use something like robocopy or rsync or whatever to get more sophisticated copy ability.

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