do it
at the instalation from disk druid.
level
1: morroring
level
5: parity info accross all or some of an arrays number of disks
level
0: "stripping without parity"- highest level of preformance for
reads
and writes but provide no fault tolerence.it speeds instalation time when preformance
is needed but downtime is not catastrophic.
from
setup set 2 raid partitions
raidtools.rpm
/etc/raidtab
--> add 2 similar partitions
mkraid
/dev/md0
make
etfs raid md0
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