[Users] Cannot see FC LUNs in Direct LUN screen

[Daniel Erez]

----- Original Message -----
> From: "Dave Olker" <dave.olker at sbcglobal.net>
> To: users at ovirt.org
> Sent: Friday, January 11, 2013 3:00:24 AM
> Subject: [Users] Cannot see FC LUNs in Direct LUN screen
> 
> 
> 
> 
> 
> 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
> 

Hi Dave,

The problem you've encountered resembles an issue which is already resolved on latest version.
As a quick workaround, try selecting 'Fibre Channel' as 'Storage Type' before selecting a Data Center/Host.
For further inquiry, please send engine and VDSM logs.

Best Regards,
Daniel

> 
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