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the original RAID level is RAID 6 and user wants to migrate to RAID
0, the controller will evaluate whether this operation is safe or not,
and appear a message of
"Sure to migrate to a lower protection
array?”
to give user warning.
4. Double check the setting of RAID level and RAID PD slot. If there is
no problem, click “
“.
5. Finally a confirmation page shows the detail of RAID info. If there is
no problem, click “
“ to start migration.
Controller also pops up a message of
“Warning: power lost
during migration may cause damage of data!”
to give user
warning. When the power is abnormally off during the migration, the
data is in high risk.
1. Migration starts and it can be seen from the “status 3” of a VG with a
running square and an
“M”
. In
“/ Volume config / User data
volume”
, it displays an
“M”
in
“Status 4”
and complete percentage
of migration in
“R%”
.
Figure 4.2.1
Figure 4.2.2
(Figure 4.2.2: A RAID 0 with 2 physical disks migrates to RAID 5 with 3 physical disks.)