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Railfan Technology > Backup question /overwritesDate: 02/20/15 20:39 Backup question /overwrites Author: Mgoldman Does anyone know - offhand, saving me the experiment, how files are
written /prioritized during a back up? I'm using (for better or worse) a program I found long ago called Backup Wolf (It was $30.00 online. Specifically: You have file "A" which lets say is an image. You back it up onto an external drive using a back up program. Then... you: A) Add EXIF info to that file on original drive. When you back it up, does the newer version of this file get written to the backup drive? B) You add EXIF info to the backed up file but not the original on the internal drive. Does the original file without the new EXIF (or say, any other modification (say you added saturation), will that be overwritten by the unmodified original? Or is it simply that the newest versions are prioritized? C) Change /re-name a file name. I assume a newly re-named file on the original (main) drive gets transferred (backed up) while the original file on the back up remains as an "extra" file which only exists now on the back up. Thanks! /Mitch Date: 02/21/15 07:43 Re: Backup question /overwrites Author: robj Backups can be complex, really depends what you tell it, how it is set up or default setups.
If you rename it, the new one will be written, old one will remain. . O/S only know file names. I do my backups manually, drop and drag. O/S will always ask about overwrites. A backup program, depends but I would guess it is incremental and will only b/u since last backup and then it depends how it is done, or how you tell it to retrieve. Bob Date: 02/21/15 09:47 Re: Backup question /overwrites Author: MartyBernard Why don't you just do it manually so you know what is happening?
Marty Bernard Date: 02/21/15 09:57 Re: Backup question /overwrites Author: robj MartyBernard Wrote:
------------------------------------------------------- > Why don't you just do it manually so you know what > is happening? > > Marty Bernard I am with you Marty, from old experiences I like to just make my own backup. I then look at the directories, and see what I have. It does take a little discipline as opposed to an automated backup. Bob Date: 02/21/15 20:58 Re: Backup question /overwrites Author: Mgoldman MartyBernard Wrote:
------------------------------------------------------- > Why don't you just do it manually so you know what > is happening? > > Marty Bernard Oooh.. OK, fine! I was simply hoping someone who knew could save me the time - or rather, put me in the loop in a time span much shorter then I'll likely get to it! I'll post details! /Mitch Date: 02/22/15 08:47 Re: Backup question /overwrites Author: robj Mgoldman Wrote:
------------------------------------------------------- > MartyBernard Wrote: > -------------------------------------------------- > ----- > > Why don't you just do it manually so you know > what > > is happening? > > > > Marty Bernard > > Oooh.. OK, fine! I was simply hoping someone who > > knew could save me the time - or rather, put me in > > the loop in a time span much shorter then I'll > likely > get to it! > > I'll post details! > > /Mitch Mitch, I think you mistook his comment???? ie he was suggesting you do backups manually rather than using a backup program then you control the process and know what is happening and how. Backup programs are incremental, and use algorithims, often compressions etc etc and may also be specific to your computer O/S. Yours may be different but not always the case that you can just retrieve files on your own without doing it through the backup program, could be wrong on that. The value of your own backups is you can take your files to any computer and get up and running without any special program. At any rate for $30.00 you may have a very good program or not. Bob Bob |