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Old 09-04-2010, 12:27 PM   #1
kelvin.ng
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Backup & Restore RHEL 5


Hi All,
My supplier help installed RHEL5 on an IBM x3650M2 server with Hardware RAID1+0 (Megaraid M5014). Recently IBM engineer found out i did a big mistake by connecting SAS cable from 0,1,2,3 to Port no2 & 3,4,5,6 to Port no1 on Megaraid M5014 card, this might cause system hang or restart, he suggested me to do backup, delete array, swap the cable, re-create array & restore. How do I backup & restore everything (including LVM, OS, data & etc..)


also i have a standy backup server which is identical to this production server (just differ on host name & IP address) but really don't know how to make use of it like bring it online in the shortest possible time in the event of production server down/offline

Thanks & Regards,
Kelvin
 
Old 09-06-2010, 02:07 PM   #2
unSpawn
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As you have to recreate your most basic configuration I doubt a "bare metal" backup solution will serve you well. I'd backup the data off of the LVM (afbackup, Bacula, Mondo, Rsync-over-SSH, you name it), maybe save the LVM configuration, and get on with things. Wrt making your backup server available I'd check www.linux-ha.org and a few Linux High Availability HOWTOs to get familiar with the concepts. Whatever solution you'll use in the end depends on what you use the system for, how much it would cost you if none will be available and what you'll be most comfortable with. Good luck with it!
 
  


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