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Controller 'B' Status:<-------------- Controller Bbreakdown view with path information
-----------------------
ControllerHandle: none ControllerPresent: Y
UTMLunExists: N Failed: N
NumberOfPaths: 2 FailoverInProg: N
ServiceMode: N
Path #1
---------
DirectoryVertex: present Present: Y
PathState: OPTIMAL<-----------------------------------------first Path to CTRL A
PathId: 77020001 (hostId: 2, channelId: 0, targetId: 1)
Path #2
---------
DirectoryVertex: present Present: Y
PathState: OPTIMAL<----------------------------------------second Path to CTRL A
PathId: 77030001 (hostId: 3, channelId: 0, targetId: 1)
Lun Information
---------------
Lun #0 - WWN: 60080e500017b5bc00004be94ac48ff9<-------------------LUN0 breakdown
----------------
LunObject: present CurrentOwningPath: A<---
RemoveEligible: N BootOwningPath: A<---
NotConfigured: N PreferredPath: A<---
DevState: OPTIMAL ReportedPresent: Y
ReportedMissing: N
NeedsReservationCheck: N
TASBitSet: Y
NotReady: N
Busy: N
Quiescent: N
Controller 'A' Path<--------------------------------LUN0 Path information for CTRL A
--------------------
NumLunObjects: 2 RoundRobinIndex: 0
Path #1: LunPathDevice: present
DevState: OPTIMAL
RemoveState: 0x0 StartState: 0x1 PowerState: 0x0
Path #2: LunPathDevice: present
DevState: OPTIMAL
RemoveState: 0x0 StartState: 0x1 PowerState: 0x0
Controller 'B' Path<--------------------------------LUN0 Path information for CTRL B
--------------------
NumLunObjects: 2 RoundRobinIndex: 0
Path #1: LunPathDevice: present
DevState: OPTIMAL
RemoveState: 0x0 StartState: 0x1 PowerState: 0x0
Path #2: LunPathDevice: present
DevState: OPTIMAL
RemoveState: 0x0 StartState: 0x1 PowerState: 0x0
Example 7-12 on page 461 shows an example of Linux with one LUN connected to a DS5020
via Fibre Channel. Both HBAs see both controllers, which results in two paths per controller.
Содержание System Storage DS4000
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