2011-03-16 12:52 PM
SnapDrive for Windows shows in the details of a LUN the SCSI properties HBA, Bus, Target and LUN-ID in the form LUN[1:0:0:2] or on sdcli output like this:
LUN Path: filer1:/vol/iscsi_server_db/db1/server_e.lun
Storage System: filer
Storage System Path: filer:/vol/iscsi_server_db/db1/server_e.lun
Disk serial number: W-XMdo/JxFo2
Backed by Snapshot Copy:
BootOrSystem Disk: No
SCSI port: 1
Mount points: E:\
IHAC running a Windows 2003 cluster where I got on Node1 the info LUN[3,0,2,0] and on the other Node2 LUN[3,0,3,0]
I never took care of this info, but since we have now a problem on the cluster I am wondering whether or not both nodes should show the same target-id, that is on both either LUN[3,0,2,0] or LUN[3,0,3,0]?
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2011-03-17 06:55 AM
I don't think you need to be concerned with that as long as the mountpoints or drive letters match up. Each node in the cluster could have different volume/lun settings so you may see a difference.
2011-03-17 07:11 AM
thanks for the input.
BTW: do you have a good explanation for "Target-ID" (the 3rd number)? HBA, Channel and LUN-ID are quite obvious and easy to explain/imagine...but the target? Even after reading through the SCSI references and explanations I am not sure about it....