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Old 08-17-2014, 04:44 AM   #1
tonj
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backup and recovery with raid


does anyone know if there is a free image-backup and bare-metal-recovery solution for linux systems that supports hardware RAID? I use spanning raid over two drives in a sun x2100 server running centos 6, the raid is driven by an nvidia chip. I've used clonezilla on single drive systems but it doesn't support raid. In searching google I haven't found anything except commercial software and data recovery apps. Thanks for any pointers.
 
Old 08-17-2014, 12:03 PM   #2
jailbait
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There is mondo. I used mondo about 10 years ago and it worked well. Since then mondo has added a lot of functionability and I think that it will do everything that you want. You can take a look at mondo here:

http://www.mondorescue.org/

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Old 08-17-2014, 01:28 PM   #3
tonj
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thanks for that and I'm trying a backup now but what puzzles me there is no live cd or boot media with mondo rescue, it runs inside the OS itself. I've never done backups this way before, it's always been using bootable media - either cd or usb drive.
 
Old 08-17-2014, 04:46 PM   #4
jailbait
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Quote:
Originally Posted by tonj View Post
thanks for that and I'm trying a backup now but what puzzles me there is no live cd or boot media with mondo rescue, it runs inside the OS itself. I've never done backups this way before, it's always been using bootable media - either cd or usb drive.
Back when I used mondo I think that there was a stand alone OS called mindi that was coupled with mondo. I remember submitting a few minor improvements for mindi to Hugo Rabson. The web site I pointed you to still lists updates for mindi so check to see if mindi is what you need.

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Steve Stites
 
Old 08-17-2014, 08:40 PM   #5
syg00
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"Image backups" are IMHO a very bad idea. The data is locked in till the image is recovered/mounted.
What's important is your data, not your (exact) current setup. When you get into a recovery scenario, you may not even have the same hardware - or even be a guest.

Mondo creates a liveCD you boot and recover from. Allows changing size/type of partition/fiesystem - very comprehensive. Can be slow though - especially if you verify all the data as it's created. I use it for "doomsday" backups - the entire machine (Windows and all) to iso images which I keep 3 copies of. For day-to-day backups I just use filesystem aware tools - of which Linux has truckloads.

Another option which I haven't played with yet might be http://relax-and-recover.org/
 
Old 08-17-2014, 09:42 PM   #6
boog321
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You could always use tar. It is pretty much old reliable. and you can make a tarball of anything anywhere on the system, from / to /home/someuser/path/to/folder/or/file

You can even pipe the output to be compressed.

These are instructions for Ubuntu, but, should be the same for any distro. https://help.ubuntu.com/community/BackupYourSystem/TAR
 
Old 08-18-2014, 04:39 PM   #7
tonj
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mondo rescue didn't work with my machine. From the boot cd I created, on startup it threw an error saying 'no raidstart deteced' so I don't think the boot cd supports the raid I have on my machine. I also tried restoring from within the OS using mondorestore and that failed as well. I managed to do an image backup with acronis TI 2014 but a restore failed on that too. It looks like So I'm back to square one and I may have to go with a commercial software solution.
 
  


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