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тАО05-23-2003 07:53 AM
тАО05-23-2003 07:53 AM
I just created a new LUN on my fc60 disk array installed on my hp-ux 11 server.
I used amcfg -L B:8 -d 1:12,2:12,3:12,4:12 -r 5 fc60
(fc60 is a defined alias for the array).
The Lun creation succeeded as follows:
Vendor ID = HP
Product ID = A5277A
Array ID = 000C00A0B8095000
Array Alias = fc60
-----------------------------------------
LUN Status Capacity Ctrl RAID Segment Disks
--- ----------------- --------- ---- ---- ------- -----
8 OPTIMAL 101.6 GB B 5 16 1:12
2:12
3:12
4:12
LUN WCE RCD CME CWOB WCA RCA CMA
--- --- --- --- ---- --- --- ---
8 X X X X X
Now I would like to create the special files for it on the file system using "insf -e", but I'm not able to create the special files, no new files could be found in /dev/dsk and /dev/rdsk.
Where is my mistake? Is this the right time to execute insf or did I miss something?
Best regards and thank you in advance.
Diego.
Solved! Go to Solution.
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тАО05-23-2003 08:05 AM
тАО05-23-2003 08:05 AM
Solutionyes, you missed ioscan.
When you create LUN it becomes available for system(s). But you have to tell system to find it - to scan for hardware. When system will find this LUN, it will be able to create device files for it.
So the procedure is:
1. create LUN within disk array;
2. issue 'ioscan' and check if newly created LUNs appeared in its output;
3. issue 'insf -e' and then run 'ioscan -fn' again to see if there're newly created device filed assigned to newly created LUNs
Eugeny
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тАО05-27-2003 06:45 AM
тАО05-27-2003 06:45 AM
Re: amcfg and insf on fc60 disk array
thank you very much for your answer.
You are right and following your suggestion I created the special files.
The problem now looks different: how can I identify (issuing ioscan) the
path to the newly created Lun?
Issuing ioscan -fnC disk all the disk items are listed and look like this:
.....
disk 5 0/10/0/0.8.0.5.0.0.2 sdisk CLAIMED DEVICE HP
A5277A
/dev/dsk/c4t0d2 /dev/rdsk/c4t0d2
.....
Unfortunately I lost the trace of what appeared in the ioscan list and I'm new to disk array management, how can I identify now which item refer to my newly created Lun?
Thank you again!
Diego!
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тАО05-27-2003 10:27 PM
тАО05-27-2003 10:27 PM
Re: amcfg and insf on fc60 disk array
Go to FC60 controller and look at the back. You will see two dip switch banks to the right if looking from the back. Upper is for controller A, lower is for controller B. Convert their settings to decimal (default A: off,.., off, on, off, off = 4; B: off, ..., off, on, off, on = 5). These numbers are loop-ids for controllers. Then go to ioscan and look to the loop-id valie in its output: example
disk 5 0/10/0/0.8.0.5.0.0.2
0/10/0/0 = hardware path (slot) where FC adapter is installed;
8.0.5 = 8.0 (private loop), 5=loop-id. Thus this hardware path is pointing to controller B LUN 2 (0.0.2)
Eugeny
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тАО05-29-2003 07:05 AM
тАО05-29-2003 07:05 AM
Re: amcfg and insf on fc60 disk array
it helped!
Bye!
Diego.