1.
showpd -c -p -devtype “disk type (example FC,
SSD, NL)”
a.
Displays all of the disks of the selected type
and shows what each chunklet is doing. Look for the “Free” column under the
Spare Chunklets section. This tells you the amount of chunklets being dedicated
for sparing on each disk.
2.
showsys –param
a.
Displays the sparing algorithm currently in use.
In this case the Default setting is selected.
3.
setsys SparingAlgorithm “setting”
a.
Sets the sparing algorithm. You have 3 options
to choose from.
i. Minimal:
1x biggest disk size worth of chunklets per 24 drives with no minimum
ii. Default:
1x biggest disk size worth of chunklets per 24 drives with an enforced 2 disk
minimum
iii. Maximal:
1x biggest disk size worth of chunklets per installed type per enclosure
b.
Example: setsys SparingAlgorithm Default