(2) LUN (number)
How to set disk array unit LUN (numbers) recognized by the server to the same value is
described below.
The disk array unit offers the Access Control function that maps logical disk masking and LDN
starting from LUN 0. If this Access Control has not been installed, the logical disks (LDN)
bound in the disk array unit are the logical disks (LUN) that can be accessed from the server.
Installing Access Control may change the logical disks (LUN) that can be accessed from the
server.
For example, if LDN00 to 03 are in the disk array unit, Access Control makes it possible to set
them so that LDN00=LUN00, LDN01=LUN01, LDN02=LUN02 are recognized by Server A
and also to set them so that LDN00=LUN01, LDN01=LUN02, LDN03=LUN00 are recognized
by Server B. In this case, the LUN being recognized by Server A and the LUN being recognized
by Server B are different LDN.
If you do not install Access Control
Special setting is not necessary.
If you install Access Control
When setting up Access Control,
be sure to set it so that an LDN in the disk array
unit is recognized as the same LUN (number)
by each server.
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Summary of Contents for Xanadu
Page 16: ...Power Supply Controller xv...
Page 17: ...Battery xvi...
Page 18: ...Disk Enclosure xvii...
Page 19: ...Extended Battery Backup Unit Extended Battery Backup Unit Power Supply xviii...
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