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Re: Get to know Ubuntu's Logical Volume Manager

Posted by: Anonymous [ip:] on July 31, 2008 08:29 PM
Having / on a logical volume isn't particularly scary. AIX has been doing it since 1990. Aside from one incident where upgrading AFS corrupted the JFS log in rootvg, it's been rather unexciting aside from "If the disk starts having problems, you'll have problems accessing what's on it."
LVM on Linux, including putting /, /usr, and /var all on a volumegroup has been similarly unexciting since the distros worked out how to generate initrds that can successfully detect hardware and vary on volume groups. I do see youngins do the same mistakes I saw people making on AIX back in 1995 (Extend the volume group containing / to an external harddrive, then try and reboot the machine with that harddrive removed), but most of this decade has been watching people make the same mistakes made back in the 1990s.


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