Does iscsiadm support discovery through iSCSI interface using iSNS

Vimol Kshetrimayum

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Jul 26, 2016, 4:59:38 PM7/26/16

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Hi,

I am trying to discover targets using iSNS but through iSCSI interface.

I could discover it through TCP using below command.

# iscsiadm -m discovery -t isns -p <iSNS server address>

However, if I tried to discover through iSCSI interface, it throws error. Below is the command that I am using and its output error.

---------

# iscsiadm -m discoverydb -t isns -p 10.132.7.209 --discover -I bnx2i.00:0e:1e:53:43:c1

iscsiadm: iface bnx2i.00:0e:1e:53:43:c1 is not valid. Will not bind node to it. Iface settings [hw=,ip=,net_if=,iscsi_if=bnx2i.00:0e:1e:53:43:c1]

iscsiadm: No portals found

---------

Is there any way to discover target through iSCSI interface using iSNS?

Regards,

-Vimol

The Lee-Man

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Jul 27, 2016, 4:46:28 PM7/27/16

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What does your ifaces/bnx2i.00:0e:1e:53:43:c1 file contain?

Chris Leech

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Jul 27, 2016, 5:12:48 PM7/27/16

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On Tue, Jul 26, 2016 at 01:59:38PM -0700, Vimol Kshetrimayum wrote:
>
>
> Hi,
>
>
> I am trying to discover targets using iSNS but through iSCSI interface.

We don't have any sort of iSNS offload support, so you can't really do
iSNS through an offload iface. But I think this should work to do iSNS
discovery and bind the results to the offloaded iface.

> I could discover it through TCP using below command.
>
> # iscsiadm -m discovery -t isns -p <iSNS server address>
>
>
> However, if I tried to discover through iSCSI interface, it throws error.
> Below is the command that I am using and its output error.
>
>
> ---------
>
> # iscsiadm -m discoverydb -t isns -p 10.132.7.209 --discover -I
> bnx2i.00:0e:1e:53:43:c1
>
>
> iscsiadm: iface bnx2i.00:0e:1e:53:43:c1 is not valid. Will not bind node to
> it. Iface settings [hw=,ip=,net_if=,iscsi_if=bnx2i.00:0e:1e:53:43:c1]

Your iface record is invalid because it's not "default" and yet it's not
bound by MAC address (hw="") or netdev (net_if="").

What does the full iface record look like? How was it created?

- Chris

Vimol Kshetrimayum

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Jul 28, 2016, 2:39:41 AM7/28/16

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Thank you everyone for your reply.

I found the issue was already discussed here https://groups.google.com/forum/#!topic/open-iscsi/y2ImQ7ZXBy8 .

The I realized, the iscsi util package shipped along with RHEL is outdated.

The issue got resolved after compiling the latest code.

Regards,

-Vimol

On Tuesday, July 26, 2016 at 1:59:38 PM UTC-7, Vimol Kshetrimayum wrote:

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