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# /etc/raidconf		- raid5 setup
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# 15-Feb-99 amo Raid5 config setup from stevecs@chaven.com (Stephen Costaras)
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# > I found
# > with some testing a while ago that large chunk sizes really help
# > when using RAID5 & small files especially news.  However at 512k
# > diminishing returns start to take precidence.
#
# > The disks that I have here (all ST15150W seagates) are rather
# > old and have a high latency.  From some preliminary figures it
# > appears that 3 cheetahs (LVD, the new ones) can equal the performance
# > of 9 of the older barracudas.  (random i/o, is all that I look
# > at for news as streaming i/o is hardly ever seen except monthly
# > for reports).
# > 
# > Steve
# > 
# > 
# Raid-5 configuration for news
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raiddev		/dev/md0
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raid-level	5
nr-raid-disks	9
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chunk-size	512
#persistent-superblock 1

# Parity placement algorithm
#parity-algorithm left-asymmetric
parity-algorithm left-symmetric
#parity-algorithm right-asymmetric
#parity-algorithm right-symmetric

# Spare disks for hot reconstruction
nr-spare-disks 0

device /dev/sdb1
raid-disk 0

device /dev/sdc1
raid-disk 1

device /dev/sdd1
raid-disk 2

device /dev/sde1
raid-disk 3

device /dev/sdf1
raid-disk 4

device /dev/sdg1
raid-disk 5

device /dev/sdh1
raid-disk 6

device /dev/sdi1
raid-disk 7

device /dev/sdj1
raid-disk 8
#
# end of file