Thecus i8500, Руководство пользователя

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arrays.
JBOD
The abbreviation of
“J
ust a
B
unch
O
f
D
isks
”
. No data
protection. RG fails if any hard drive failures or unplugs.
4.2 RG migration
To migrate the RAID level, please follow below procedures.
1. Select
“/ Volume configuration / RAID group”
.
2. Mouse moves to the gray button next to the RG number; click
“Migrate”
.
3. Change the RAID level by clicking the down arrow to
“RAID 5”
. There
will be a pup-up which indicates that HDD is not enough to support the
new setting of RAID level, click “
” to increase hard
drives, then click “ “ to go back to setup page.
When doing migration to lower RAID level, such as the original RAID
level is RAID 6 and user wants to migrate to RAID 0, system 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.
Figure 4.2.1
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 information. If
there is no problem, click “ “ to start migration.
System 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.
6. Migration starts and it can be seen from the
“status”
of a RG with
“Migrating”
. In
“/ Volume configuration / Virtual disk”
, it displays a
“Migrating”
in
“Status”
and complete percentage of migration in
“R%”
.