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backup data with preserv permission



What is the best software for backup?

I would like to backup with presver AD permission. and also like to do incremental backup or do the backup only for the files that has changed.
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raza
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raza
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rindiCommented:
you can use the builtin ntbackup utility. Backing up the system state backs up AD, registry, etc. Backing up the data keeps permissions etc.

If you want a commercial backup program, you can choose between arcserve, Backupexec, tapeware etc.

http://www3.ca.com/smb/solution.aspx?ID=5281
http://www.symantec.com/enterprise/veritas/index.jsp
http://yosemitetech.com/index.htm
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razaAuthor Commented:

how about mirroring?
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rindiCommented:
Mirroring isn't backup. Mirroring is only good if you have disk that breaks, then the system will keep on running. Backups on the other hand are similar to snapshot of your files at a certain time, they don't change after that snapshot. This allows you to restore data that someone unwantedly changed (that would change on the mirror too) to an earlier version.
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razaAuthor Commented:

I am trying to setup offsite backup. what do you recommend.
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rindiCommented:
What do you understand under "offsite backup"? If you are backing up to tape or external HD, it is allways important to keep at least some of these backups "offsite", a bancsafe is a good option and tapes are easier to transport and keep inside safes than disks.

If under "offsite" you mean you want to backup via the internet, I don't recommend that, as you really need a very very fast internet connection if you want to backup data of any normal quantity, and you need the speed in both directions, upload and download. Otherwise the backup will close down your internet and as mentioned you can't get a lot of data through. Also, I don't recommend 3rd party backup services, as you move the data out of your hands. You never know what those companies will do with your data! And what happens if the company goes bankrupt?
If you still want to backup via the internet, rsync is probably the best software, but I've never yet used it and don't know all the capabilities.

http://samba.anu.edu.au/rsync/
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razaAuthor Commented:
Thanks for the input.....


Yes, I was thinking about to setup the offsite backup via internet but you are right it will take lot of bandwdth.
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rindiCommented:
your welcome
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