Drive Failure Management
Global and Local Spare Drive
Local Spare Drive
LS
1
2
3
Logical Drive
Assigns one Local Spare
Drive to a logical drive
Global Spare Drive
does not only serve
one specified logical
drive. When a member
drive from any of the
logical drive fails, the
Global Spare Drive will
join that logical drive
and
automatically
starts to rebuild.
14
Local Spare Drive is a standby drive
assigned to serve one specified
logical drive. When a member drive
of this specified logical drive fails, the
Local
Spare
Drive
member
drive
and
starts to rebuild.
When one member
X
drive fails, the Local
Local
1
2
Spare Drive joins the
Spare
logical drive and
automatically starts
Drive
to rebuild.
LS
3
Logical Drive
becomes
a
automatically
User's Guide