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Functional differences from previous version of

Universal RAID Utility

Ver3.1 and Ver4.0

The following features have been enhanced and changed from Universal RAID Utility Ver3.1.

Universal RAID Utility Ver4.0 can newly manage the following RAID controllers.

 N8103-176 RAID Controller (1GB, RAID 0/1)

 N8103-177 RAID Controller (1GB, RAID 0/1/5/6)

 N8103-178 RAID Controller (2GB, RAID 0/1/5/6)

 N8103-179 RAID Controller (2GB, RAID 0/1/5/6)

Universal RAID Utility Ver4.0 can support 4K native HDD.

Enhanced feature to detect a Medium Error on the Physical Devices.

Universal RAID Utility registers “A Medium Error was Frequently Detected” or “A Medium Error was

Intermittently Detected” event message when the Medium Error was detected frequently or intermittently

on the same Physical Device. If Patrol Read or Consistency Check is running on the Physical Device when

the Medium Error was detected frequently, the Patrol Read or the Consistency Check is automatically

stopped. See the section “

Monitoring a Medium Error to see if they occur frequently” and “Monitoring a

Medium Error to see if they occur intermittently” for detail.

A new feature is added to stop Patrol Read and Consistency Check automatically.

When Patrol Read or Consistency Check is running and it detects a Medium Error on the Physical Device

frequently, the Patrol Read or the Consistency Check is automatically stopped to suppress deterioration of

access performance to the Physical Device. See the section “

Monitoring a Medium Error to see if they

occur frequently” for detail.

A new option is added to enable/disable the Automatic Stop for Consistency Check.

Basically the Consistency Check is automatically stopped when it detects a Medium Error on the same

Physical Device frequently during the run. Therefore you cannot check the whole data to be consistent in

this case. However you can execute the Consistency Check through entire Logical Drive by the “Automatic

Stop Disabled” function even if a Medium Error is detected frequently. See the section “

Monitoring a

Medium Error to see if they occur frequently” for detail.

A new feature is added to detect unexpected change of RAID configuration.

Universal RAID Utility registers a “RAID System unstable” event message when there is a Physical Device

which is excluded from the RAID configuration even though it is not failure.

A new feature is added to update firmware of RAID controller.

You can execute the firmware update of RAID controller by the raidcmd.

Removing the restriction that the numbers of Physical Devices when you create RAID10.

You can specify even-numbered Physical Devices equal to or greater than four (e.g.: 4, 6, 8, …) when

creating RAID 10 by raidcmd. However, you can specify only four Physical Devices by RAID Viewer as usual.

Removing the restriction that you cannot specify the capacity freely when you create RAID 10, RAID 50

and RAID 60.

You can specify capacity of the Physical Devices freely when creating RAID 10, RAID 50 and RAID 60 by

raidcmd. However, you cannot specify capacity of the Physical Devices freely by RAID Viewer as usual.

10.

A new feature is added to monitor SSD lifetime.

Universal RAID Utility registers a “Physical Device Lifetime Error” event message when Universal RAID

Utility detects end of life of SSDs. See the section “

Monitoring the lifetime of SSD” for detail.

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