Re:Btrfs in Linux 6.2 brings performance improvements, bette...
by prmoustache on Tuesday December 13, 2022 @07:04AM
(#33967765)
Back when solaris wasn't using zfs yet, we were using the live upgrade utility to duplicate the main boot environment on a local disk every night.
Machines booting from SAN had only one local disk, others would have 3 local disks (small and cheap ones because application data was on SAN anyway).
Main raid would do the job for availability in term of disk failure, 3rd bootdisk did the job in case of user erroror data corruption on the main boot env. It saved our asses a few times, bringing apps back online quickly and saving us from reinstalling or fixing stuff from a tenporary live environment.
Machines booting from SAN had only one local disk, others would have 3 local disks (small and cheap ones because application data was on SAN anyway).
Main raid would do the job for availability in term of disk failure, 3rd bootdisk did the job in case of user erroror data corruption on the main boot env. It saved our asses a few times, bringing apps back online quickly and saving us from reinstalling or fixing stuff from a tenporary live environment.