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.
ASKER CERTIFIED SOLUTION
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
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.
ASKER
I am trying to setup offsite backup. what do you recommend.
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/
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/
ASKER
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.
Yes, I was thinking about to setup the offsite backup via internet but you are right it will take lot of bandwdth.
your welcome
ASKER
how about mirroring?