Accessing LUN from hpunix server created by DR group

[akarayil]

Dear All,
we have two hpunix servers (cluster nodes) at primary site and one server at DR location.

I created a vdisk in storage and presented it to both the cluster nodes(no need to add this VG to cluster PKG).
Then I created vg, lv in one of the node and export&import the vg to other node.

Then I created a DR group in storage for this vdisk. That automatically create a vdisk in DR storage. I presented the vdisk to the DR server.
Now what is the steps to access this LUN from DR site server?

I done the failover. Copy the vgexported file to DR server.created VG and device file for VG. Then imported the VG. But I got an error. When I check ioscan. s/w state shows NO_H/W for this disk and diskinfo shows nothing.

[SoorajCleris]

It seems some issues with LUN assignment. Once it is visible in ioscan (NO hardware should not come) then it is related to HP-UX.

[Taifur]

Hi Akrayil,

#ioscan -funC disk

if disk deive available , then you can access LUN.
Check /var/adm/syslog/syslog.log


Rgds//
Taifur

[Suraj K Sankari]

Hi,
>>Copy the vgexported file to DR server.created VG and device file for VG. Then imported the VG. But I got an error. When I check ioscan. s/w state shows NO_H/W for this disk and diskinfo shows nothing

you did the vgexport and create vg at DR side right.
now my question is if your ioscan is giving NO_H/W then how you created the VG ?

Suraj

[akarayil]

Sorry....
When I present the disk, it was showing 'claimed' and showed output for diskinfo cmd also.
After done the vgimport, which is exported from primary location, its showing NO_HW.

[SoorajCleris]

while importing the VG - did you use disk path or you have exported it with VGID?

Kindly try the command ioscan -fnC disk ( with out -u)
and see the output..

[akarayil]

Hi
Pls find the syslog file entry attached

[akarayil]

Hi friends,
Before adding this vg, I had removed a vg which had same minor no. that I used for new vg. Hence there was a conflit.
I restarted the DR server, repeated the steps and completed the process successfully. Thank you all for immediate response.

akarayil