NEC Express5800 series User Manual page 66

62 CAUTIONS AND RESTRICTIONS
The MSM log may be reviewed to see accesses from other clients.
You can specify the local users only as the Administrators member in the "User Name"
field of MSM login window. You can not specify domain users which has Administrators
right.
MSM cannot be used when there is no MegaRAID Storage System in the same LAN.
MSM cannot be used when the target server has several ports which are belonged to
different sub-net. In this case, please use MSM in the target server.
To do the rescan operation again, the interval from the previous scan should be 60 sec or
longer. If the interval is shorter, an unexpected event may occur.
Do not use the "Prepare For Removal" and "Undo Prepare For Removal ". It is the
function that stops and restarts a spinning of spindle motor of HDD, however, these are the
operations which are no need in particular to replace HDDs.
A check box of "Use Write Through for failed or missing battery" was added to [Default
Write Policy] since MSM1.14-02. The default value of "Use Write Through for failed or
missing battery" is the checked state when you specify "Write Back" in [Default Write
Policy]. Please set the unchecked state in this case. Even if there is a battery (iBBU), it will
be "Write Trough" in the checked state.
Creating or deleting logical drive
Specify the maximum capacity (default value) for RAID 1 spanning (RAID 10) or RAID
5 spanning (RAID 50) if a logical drive is created with the capacity specified. Do not
change the capacity.
In creation of a logical drive, do not use the following hard disk drives.
• Hard disk drive with partitions
• Hard disk drive used for another array
While a logical driver is being created, do not perform the followings:
• Shut down the system
• Insert hard disk drive(s)
• Remove hard disk drive(s)
Rebuild feature
Do not use the hot-swap feature during rebuild.
In the rebuild operation by using the hot-swap feature, the interval from the removal of
the hard disk drive to the installation of a substitute hard disk drive should be 60 sec or
longer.
Hard disk drives in the status shown below cannot be used as hot-spare disks. Instead,
use new hard disk drives or hard disk drives already formatted.
•
Hard disk drive with partitions
•
Hard disk drive used for another array