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Hi All,
I want to full backup for my linux server. For example, When I put the hard disk that stored full backup on new server device, I want the new server to be exactly the same as the old server. I heard that netapp to do that. Do you have suggestion to do it? Or is there any tool for that?
Hi All,
I want to full backup for my linux server. For example, When I put the hard disk that stored full backup on new server device, I want the new server to be exactly the same as the old server. I heard that netapp to do that. Do you have suggestion to do it? Or is there any tool for that?
Regards
There are many backup software that will do bare-metal backups/restore.
What OS/release?
What hardware? Do you have RAID (hardware/software/fake-raid)?
I think I'd look for solutions that use the word clone instead of backup although they are quite similar. The OS may be of some concern. Some clones of RH once in a while have issues with network naming. Not a big deal but clones even exact can fail.
A common way some folks use is clonezilla to make a disk to disk clone. A slower way may be to boot to some live media and use dd command if you are SURE you know how to use that command. Redo backup although out of date can be used. Commercial products can clone it too. https://www.makeuseof.com/tag/2-meth...ux-hard-drive/
Tar can do backups (both full and incremental) to a compressed file if you supply it with the proper options. Rsync can back files up to another location. You don't necessarily need commercial products nor special hardware.
I have simply used rsync with options to perserve file ownership and permissions to sync whole running os into separate disk. Then I would put that disk into another PC, boot from Slackware USB, chroot, install lilo, reboot into cloned system. This method had not failed even once for me.
For EFI based systems I don't know. It might just boot directly if syncing has been performed correctly. Newer actually tried.
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