[Users] Cannot see FC LUNs in Direct LUN screen

Dave Olker dave.olker at sbcglobal.net
Fri Jan 11 01:00:24 UTC 2013


Hi folks,

 

I'm very new to oVirt and Linux so I apologize if this is pilot error.  

 

I'm running Fedora 17 on my oVirt 3.1 Engine and my oVirt 3.1 Node.  I have
updated (via yum) to the latest patches on both systems.  I have a 3.1
cluster created with a single node and I've created several VMs using boot
disks located in FC storage domains.  I'm now trying to use the new "Direct
Lun" feature to present disks to my VM guests outside of a storage domain.

 

I've verified that my oVirt Node can see the LUNs correctly and multipath
shows they are active:

 

[root at atcwin3 ~]# multipath -v2

create: 360014380024d0ad00000f00000f80000 undef HP,HSV300

size=50G features='1 queue_if_no_path' hwhandler='0' wp=undef

|-+- policy='round-robin 0' prio=25 status=undef

| |- 0:0:15:2  sdz  65:144 undef ready running

| `- 2:0:15:2  sdbr 68:80  undef ready running

`-+- policy='round-robin 0' prio=5 status=undef

  |- 0:0:14:2  sde  8:64   undef ready running

  `- 2:0:14:2  sdaw 67:0   undef ready running

create: 360014380024d0ad00000f00000fc0000 undef HP,HSV300

size=50G features='1 queue_if_no_path' hwhandler='0' wp=undef

|-+- policy='round-robin 0' prio=25 status=undef

| |- 0:0:14:3  sdf  8:80   undef ready running

| `- 2:0:14:3  sdax 67:16  undef ready running

`-+- policy='round-robin 0' prio=5 status=undef

  |- 0:0:15:3  sdaa 65:160 undef ready running

  `- 2:0:15:3  sdbs 68:96  undef ready running

...

 

 

And these disks are visible in the "New Domain" screen if I want to add them
to a new FC domain:

 



 

 

But when I try to add any of these disks to a VM via Direct Lun I get an
empty list:

 



 

 

So the oVirt Node can see the disks just fine.  oVirt Engine can see and use
the disks in a storage domain but I'm not able to add them to a VM using
Direct Lun mode.

 

I'm not sure where to look next.  Any suggestions would be greatly
appreciated.

 

Thanks,


Dave

 

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