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Old 06-09-2008, 08:36 AM   #1
da lord
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Sys backup - TSM


Hi guys

So far in the job we are taking full backup with TSM for the Linux servers, however this is not a sys backup as TSM does not support sysbackup for linux, and restoring the system fs is useless.


Does anyone here uses any additional software that supports sysbackup with TSM? If so can give any infos, please. I am aware of Cristies but I want to hear other admins opitions as never used any software like that before.

Thanx
 
Old 06-09-2008, 10:40 AM   #2
TB0ne
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I've used Cristies before, and it's ok. However, I've had much better luck with mkcdrec or mondoarchive, to build the "bare metal" recovery images.

Once those are loaded back, a TSM restore of what's changed is easy to do. I will usually only regenerate the bare-metal images, after loading patches or system updates, so it's not too difficult to keep track of them. I keep the .ISO's on a big, honkin' NFS share, hung off another Linux server, and backed up to TSM. If the building blows up, we can always get to our DR site, and get the ISO's back from TSM pretty quick, and rebuild the servers.

Just my $0.02.
 
Old 06-11-2008, 09:45 AM   #3
da lord
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How easy is a roll back with image file? Do you have to be physical present? In aix we use sysback shiping with TSM, that is easy and can do it remotely sound and safe. If you have used Cristies is anyway like that? What's the procedure whith bare metal images?

This is not only 2cents



Cheers
 
Old 06-11-2008, 01:43 PM   #4
TB0ne
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Quote:
Originally Posted by da lord View Post
How easy is a roll back with image file? Do you have to be physical present? In aix we use sysback shiping with TSM, that is easy and can do it remotely sound and safe. If you have used Cristies is anyway like that? What's the procedure whith bare metal images?
No, you don't have to be present, but it helps. We've booted over the network to the ISO images, but you have to have some method of setting that up, and getting to the BIOS prompt first, if you want to change boot order. Otherwise, you can generate the image and burn it, and leave the DVD in the drive. But you'd either have to set the boot order up manually, or have someone press a few keys to get it to boot to DVD, so you could recover the system.

How easy is it? That depends on how often you snapshot, and if you're going to identical hardware. You have SOME wiggle room (i.e. brand of hard drive, size of hard drive, CPU speed, RAM, etc.), but not alot. If you're going from one RAID controller to a different one, or have to go to a smaller drive, or a different chip architecture, you'll have alot of problems. If you take an ISO snapshot daily, you can bring the system back as it was at the time of the snapshot, within an hour. If you take monthly's, you'll have to recover the changed data from TSM, so it depends on how much changed.
 
  


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