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Old 10-12-2006, 05:35 AM   #1
xajckop
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Linux backup


Hi,

Could anybody pls tell me how to backup my system to be sure in case of system failure. I do not want to go thru updating process again and again evrytime I crash the system .

TIA
 
Old 10-12-2006, 06:02 AM   #2
prozac
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In my view there are tons of methods from raid 1, to rsync to using dd and a lot of other solutions freely available in the web.
 
Old 10-12-2006, 06:26 AM   #3
trickykid
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Quote:
Originally Posted by xajckop
Hi,

Could anybody pls tell me how to backup my system to be sure in case of system failure. I do not want to go thru updating process again and again evrytime I crash the system .

TIA
Simple, stop crashing your system.
 
Old 10-12-2006, 11:59 AM   #4
haertig
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Quote:
Originally Posted by prozac
there are tons of methods from raid 1...
RAID is not a backup solution. It is fault tolerance during hardware failure, or throughput enhancement. Try manually deleting a file from a RAID setup and then "restoring it from the backup RAID disk". It doesn't work that way. I'm not saying RAID is bad ... just that it's not a backup solution.
 
Old 10-12-2006, 03:48 PM   #5
rob207
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There is a program called LONETAR and RESCUE RANGER at cactus.com. You create a RESCUE RANGER cdrom for that server and use LONETAR to backup a snapshot of your server to a tape, network device or dvd. It works pretty good and they give you a 30day license, which can be updated only one time to give you another 30 day license, after that you'll have to buy the license. Its good because you just need two good backups and then you'll be set. You can restore partitions, directories or the whole drive. I have seen some problems restoring, but not often. In those cases, just reinstall LINUX and LONETAR then use the program to restore from your previous backup.

Last edited by rob207; 10-12-2006 at 03:50 PM.
 
Old 10-12-2006, 05:12 PM   #6
haertig
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Quote:
Originally Posted by rob207
There is a program called LONETAR and RESCUE RANGER at cactus.com.
Why buy something when there are dozens if not hundreds of free Linux solutions? Or even script your own solution (it's not difficult). I checked out that website to see what they are offering that might be worth some money. I didn't find anything special. Nor do they even tell you what it costs. Click on "purchase" and you're taken to a form to fill in for a sales rep to call you. Assumedly with the price (?).

Quote:
I have seen some problems restoring, but not often. In those cases, just reinstall LINUX...
Doesn't sound like the most roust backup solution then. Especially since it costs money (exact amount t.d.b. per sales rep?)
 
Old 10-12-2006, 06:02 PM   #7
Electro
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Use dar. It is like tar but smarter when doing backups. It has the ability to compress certain files and not compress files that are already compressed. There are many programs that can list the files in the dar file and help you organize your backups.

dar can be compiled as static, so you can use a LIVE Linux distribution to restore your installation.
 
Old 10-13-2006, 12:23 AM   #8
prozac
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Quote:
Originally Posted by haertig
RAID is not a backup solution. It is fault tolerance during hardware failure, or throughput enhancement. Try manually deleting a file from a RAID setup and then "restoring it from the backup RAID disk". It doesn't work that way. I'm not saying RAID is bad ... just that it's not a backup solution.
Technically you are correct and RAID1 is more of a fault tolerance than a backup solution but since RAID1 is mirroring, I thought it would suffice to the same.
 
  


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