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тАО06-19-2002 08:04 AM
тАО06-19-2002 08:04 AM
LUN id > 7 on VA7400 not seen on HP-UX
I've got a HP9000 L1000 (HP-UX 11.11)server that is connected via a fibre switch to a VA7400.
If I create a LUN on the VA with a LUN id larger than 7, it can't be seen on the HP server even after a 'ioscan -fnC disk' or 'insf -e'. When the LUN id is smaller than 7, an ioscan finds the LUN directly.
And you can create LUN's up to an ID of 1024, but if I don't see them from the HP-UX server...
Any suggestions are highly appreciated.
Thanks,
Kurt
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тАО06-19-2002 08:29 AM
тАО06-19-2002 08:29 AM
Re: LUN id > 7 on VA7400 not seen on HP-UX
Note that the d7 is a scsi limitation, not necessarily an array limitation.
LUNs greater than 7 are addressed via VSA (Volume Set Addressing) and the 8th lun cannot be represented in 3bit binary (d field) so it 'spills' over into the t field.
ie:
t1d0
t1d1
t1d2
t1d3
t1d4
t1d5
t1d6
t1d7
t2d0 (this is lun 8)
t2d1 (this is lun 9)
etc...
Later,
Bill
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тАО06-19-2002 09:43 AM
тАО06-19-2002 09:43 AM
Re: LUN id > 7 on VA7400 not seen on HP-UX
Good luck!
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тАО06-19-2002 11:32 AM
тАО06-19-2002 11:32 AM
Re: LUN id > 7 on VA7400 not seen on HP-UX
Thanks, I know that you can calculate the LUN id in the VA from the hardware path of the disk. The ioscan shows only the disks with a LUN id of the VA that is lower or equal than 7 (and they have a status of claimed). I've did an ioscan -fnk as well, the new LUNS with an ID greater than 7 were not detected
Vincent,
it is a new server and the patch bundles from the support plus CD of march 2002 are installed, so the patching should be up to date.
Thanks,
Kurt
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тАО06-19-2002 12:37 PM
тАО06-19-2002 12:37 PM
Re: LUN id > 7 on VA7400 not seen on HP-UX
My next guess is your Secure Manager configuration. Assuming you are using SM, you should check that permissions and WWN's are correct.
Let us know how you make out.
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тАО06-19-2002 09:42 PM
тАО06-19-2002 09:42 PM
Re: LUN id > 7 on VA7400 not seen on HP-UX
I've disabled the Secure Manager to rule out this possibility. Thanks for the suggestion.
Kurt
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тАО06-20-2002 04:36 AM
тАО06-20-2002 04:36 AM
Re: LUN id > 7 on VA7400 not seen on HP-UX
I haven't had this trouble before... so I'm a little at a loss as to what it could be.
Can you post your array configuration? (armdsp command output) Please post as much detail as possible.
Perhaps one of us will see something in there.
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тАО06-20-2002 08:37 AM
тАО06-20-2002 08:37 AM
Re: LUN id > 7 on VA7400 not seen on HP-UX
Kurt
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тАО06-21-2002 03:53 AM
тАО06-21-2002 03:53 AM
Re: LUN id > 7 on VA7400 not seen on HP-UX
Vendor ID:______________________________HP
Product ID:_____________________________****
Array World Wide Name:__________________****
Array Serial Number:____________________****
Alias:__________________________________****
------------------------------------------------------------
SUB-SYSTEM SETTINGS
RAID Level:___________________________HPAutoRAID
Auto Format Drive:____________________On
Capacity Depletion Threshold:_________100%
Queue Full Threshold:_________________750
Queue Full Threshold Maximum:_________4096
Enable Optimize Policy:_______________True
Enable Manual Override:_______________False
C1 Port Behavior:_____________________HPUX
C2 Port Behavior:_____________________WinNT
C1 Port Topology:_____________________Point To Point, Fabric Attached
C2 Port Topology:_____________________Point To Point, Fabric Attached
Manual Override Destination:__________False
Language:_____________________________English
Read Cache Disable:___________________False
Rebuild Priority:_____________________Low
Security Enabled:_____________________True
Shutdown Completion:__________________0
Subsystem Type ID:____________________1
Unit Attention:_______________________True
Volume Set Partition (VSpart):________False
Write Cache Enable:___________________True
Write Working Set Interval:___________8640
RESILIENCY SETTINGS
Simplified Settings:__________________Normal Performance (Default)
Enable Secure Mode:___________________True
Disable NVRAM on UPS Absent:__________False
Disable NVRAM on WCE False:___________False
Disable Read Hits:____________________False
Force Unit Access Response:___________1
Lock Write Cache On:__________________True
Performance Goal Configuration:_______Normal Performance
Resiliency Threshold:_________________4
Single Controller Warning:____________True
DISK SETTINGS
Auto Include:_________________________On
Auto Rebuild:_________________________On
Hot Spare:____________________________None
Max Drives per Loop Pair:_____________105
Max Drives per Subsystem:_____________105
ENCLOSURE SETTINGS
Max Enclosures per Loop Pair:_________6
Max Enclosures per Subsystem:_________6
LUN SETTINGS
LUN Creation Limit:___________________1024
Maximum LUN Creation Limit:___________1024
Migrating Write Destination:__________False
SCRUB SETTINGS
Scrub Restart Period:_________________7190 minutes
Scrub State:__________________________Idle, initialized
OPERATIONS IN PROGRESS
None
WARNINGS
None
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тАО06-21-2002 05:13 AM
тАО06-21-2002 05:13 AM
Re: LUN id > 7 on VA7400 not seen on HP-UX
The VA was designed with redundancy in mind, and was not intended to be run with the two controllers in different host modes. You need to use the armhost command to set the host behavior on a LUN by LUN basis. I think this is your problem.
Please try configuring with the armhost command, and please do let us know the results.
Barring that, you should get the response center involved.