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Copyright@2004~2014 Qsan Technology, Inc. All Rights Reserved.
Qsan Document – User Manual
QThin works well with email system, web-based archive, or regular file archive system. When the
number of supported volumes grows larger, the benefits of QThin will become more apparent.
Disk Roaming
Physical disks can be re-sequenced in the same system or move all physical disks in the same RAID
group from system-1 to system-2. This is called disk roaming. System can execute disk roaming
online. Please follow the procedures.
1.
In
Volume Configuration -> RAID Group
tab, selects a RAID group. And then click
▼
->
Deactivate
.
2.
Click
OK
button to apply. The
Status
changes to
Offline
.
3.
Move all physical disks of the RAID group to another system.
4.
In
Volume Configuration -> RAID Group
tab, selects the RAID group. And then click
▼
->
Activate
.
5.
Click
OK
to apply. The
Status
changes to
Online
.
Disk roaming has some constraints as described in the followings:
1.
Check the firmware version of two systems first. It is better that either systems have the
same firmware version or the firmware version of the system-2 is newer.
2.
All physical disks of the RAID group should be moved from system-1 to system-2 together.
The configuration of both RAID group and virtual disk will be kept but LUN configuration will
be cleared in order to avoid conflict with the current setting of the system-2.
JBOD Expansion
Qsan storage space can be expanded by adding JBOD expansion system.
Connecting JBOD
Qsan storage systems suport expansion systems with SAS connections. When connecting to an
expansion system, it will be displayed at the
Show disk for:
drop-down list in
Volume
Configuration -> Physical Disks
tab. For example: Local, JBOD 1 (
QSAN J300Q
), JBOD 2 (
QSAN
J300Q
), …etc. Local means disks in local controller, JOBD 1 means disks in JBOD 1 controller, and
so on.
In
Enclosure Management -> Hardware monitor
tab, select the enclosure at the
Show
information for:
drop-down list, it can display the hardware status of SAS JBODs.
