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Gerry Peters
Joined: 01 Apr 2009
Posts: 8
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 Posted: Fri Dec 13, 2013 7:38 am Post subject: What are disadvantages of using the "no rescan" op |
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I back up 3 personal computers each night and Vice Versa 2.5 stalls for 1 hour on
Checking source P:\ ...
Once it gets past this my backup usually takes 30 min. My P drive has a LAN connection and is about 262 gigs in size.
I just updated to build 2513 and am trying the "no rescan" option. I hope this solves this problem. I'll know tomorrow night. If so what are the disadvantages of using this option? I'm the only one using my computers and once I hit backup, I may check my emails or do some very basic functions, but pretty much take a dinner break. So there won't be hardly any file changes.
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Gerry Peters |
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TGRMN Software
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| Posted: Fri Dec 13, 2013 1:07 pm Post subject: |
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This option can be used to disable the rescanning of the P:\ drive, ViceVersa then stores the folder info in the tracking database. It will work as far as the target P:\ is only modified by ViceVersa and not by other programs. thanks
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| Posted: Fri Dec 13, 2013 4:31 pm Post subject: |
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| TGRMN Software wrote: | | This option can be used to disable the rescanning of the P:\ drive, ViceVersa then stores the folder info in the tracking database. It will work as far as the target P:\ is only modified by ViceVersa and not by other programs. thanks |
I do have all my email files stored on P. So if I start Vice Versa and then sometime during the backup I retrieve my emails or answer an email, will that crash Vice Versa or cause any problems? If after I use email and then let's say Vice Versa is backing up my email files, will it skip that changed file? Or copy it anyway even though if the size and date have changed slightly since it last scanned? OR if a new file appears in my email folder?
I guess part of my confusion is I'm not exactly sure if Vice Versa first scans all of my HD's and then at some point during the backup rescans and that is what the option is disabling or whether disabling the rescan makes Vice Versa never scan my HD's ever. I just want to know if it's fouling up my email backup in some way.
Thanks, |
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TGRMN Software
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| Posted: Sun Dec 15, 2013 10:30 am Post subject: |
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The "no rescan" option is useful is this situation: suppose you are backing-up or replicating from source A to target B. You know that changes happen always in A and then you use ViceVersa to replicate those changes to B. In that case you can enable no rescan for "B" since ViceVersa remembers what files were in B when it last run and files in B haven't changed since.
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| Posted: Mon Dec 16, 2013 4:41 pm Post subject: |
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| TGRMN Software wrote: | | The "no rescan" option is useful is this situation: suppose you are backing-up or replicating from source A to target B. You know that changes happen always in A and then you use ViceVersa to replicate those changes to B. In that case you can enable no rescan for "B" since ViceVersa remembers what files were in B when it last run and files in B haven't changed since. |
You're right the only way my target is changed is when Vice Versa backs up data to it. The problem is I have to use the rescan option on my sources not my target, because one of my computers on the LAN is taking a full hour on
Checking source P:\ ...
Once it gets past this my backup usually takes 30 min. My P drive has a LAN connection and is about 262 gigs in size.
Last night Vice Versa backed up all 3 computers in 20 min. Is Vice Versa not backing up some files, because I'm using the no rescan option for the source? Can you explain the down side of using the rescan option in this way?
Thanks so much, |
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TGRMN Software
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| Posted: Tue Dec 17, 2013 3:22 am Post subject: |
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Hi, the backup was really fast because ViceVersa did not need to rescan the source folders over LAN, however because of not rescanning, it would not have picked up any new files. Probably the only way to speed up is to install ViceVersa on the LAN computer so that it can run locally and then activate no rescan for target. thanks
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| Posted: Tue Dec 17, 2013 5:26 am Post subject: |
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| TGRMN Software wrote: | | Hi, the backup was really fast because ViceVersa did not need to rescan the source folders over LAN, however because of not rescanning, it would not have picked up any new files. Probably the only way to speed up is to install ViceVersa on the LAN computer so that it can run locally and then activate no rescan for target. thanks |
Thanks so much for explaining that. Actually if I moved Vice Versa to the computer with the slow scanning, I would likely have a worse problem, because the computer where the USB target HD is has even more files, so I'd just trade one slow LAN for another. I'll go ahead and use the no rescan for my target, since like you said that will work fine. It may save a little time.
One more question, does it surprise you that it takes an hour to scan my P HD, which is about 260 GIG over the wired LAN? Or is there another problem? Like my AVG virus program? |
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TGRMN Software
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