Fujitsu DX8000 Computer Drive User Manual


 
Chapter 6 Settings Menu
> 6.5 Eco-mode
ETERNUS DX400/DX8000 series ETERNUSmgr User Guide Settings/Maintenance
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6.5 Eco-mode
The following functions can be set using this menu.
Set Common Eco-mode
Set Eco-mode Schedule
Set RAID Group-Eco-mode
Set Thin Provisioning Pool-Eco-mode
6.5.1 Set Common Eco-mode
On this screen, the Eco-mode operation can be set for the whole device.
By setting the Eco-mode schedule in each RAID group or Thin Provisioning Pool, and activating
Eco-mode for the whole device, disk motor can be disabled.
The Eco-mode is not available for the following disks and RAID groups.
In these conditions, the disk motor is enabled continuously.
- System disk
- Hot spare disk
- A RAID group that is configured by the shared disks used as system
disks.
- A Thin Provisioning Pool including a RAID group that is configured
by the shared disks used as system disks.
- A RAID group with Mainframe Volume, MVV Volume, or MV V
Concatenated Volume is registered.
- A RAID group with no volume registered.
The Eco-mode is not available for the SSD.
For disk drives that are not assigned to a RAID group, the disk motor is
disabled/enabled based on the [Common Eco-mode Settings] start/stop
settings.
If the device status is changed to one of the following while Eco-mode is
enabled (and the disk is activated), all disks installed in the device will
not deactivate the motor based on the Eco-mode settings. When the
device status becomes ready, Eco-mode is enabled again.
- When the device is in power supply cutting process or in boot
process.
- When the device is in power failure process.
- When the device status is abnormal.
- When the device status is "Subsystem Down".
- When the device status is "Under Maintenance".
- When there are failed components (CMs or modules that are related
to the disk access path) in the device.
- When the disk diagnosis is in progress.
- When the RAID diagnosis is in progress.