Peter Backlund wrote:
The debugging should be taken out of the release kernels, yes. But RAID
support is modularized, and I'd imagine that the SELinux overhead is
incredibly small when it's turned off. The same goes for exec-shield. I
don't really know what the other 19 security features are
though :-)
I run RAID 1 on my Linux machines at home. Perhaps Seagate is
benefitting from my bad experiences with 1999-2001 vintage Maxtor
drives, but it's cheap protection from problems that can waste a lot of
time. (As compared to $700 tape backup drive that needs $250 worth of
tapes to back up a $100 drive and takes an hour to do it.)
RAID 1 speeds up the boot process considerably and helps with random
access read I/O, which gives a noticable performance boost for ordinary
desktop tasks; I know PC enthusiasts who swear by RAID 0 for pure
performance aspects... One of these days I'm going to build a RAID 0+1
machine for database work.
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