[ovirt-users] Is it possible to add ISCSI over iser?

[Trey Dockendorf]

I don't.  My oVirt engine is bare-metal.

- Trey

On Tue, Sep 30, 2014 at 7:22 AM, Doron Fediuck <dfediuck at redhat.com> wrote:
>
>
> ----- Original Message -----
>> From: "Trey Dockendorf" <treydock at gmail.com>
>> To: "Arman Khalatyan" <arm2arm at gmail.com>
>> Cc: "users" <users at ovirt.org>
>> Sent: Tuesday, September 30, 2014 5:24:27 AM
>> Subject: Re: [ovirt-users] Is it possible to add ISCSI over iser?
>>
>> Arman,
>>
>> One of my storage domains is iSCSI using iSER.  You need the following
>> in vdsm.conf:
>>
>> [irs]
>> iscsi_default_ifaces = iser,default
>>
>> I believe the proper way to set that so it's preserved during node
>> updates is the following
>>
>> # cat /etc/ovirt-host-deploy.conf.d/40-custom-vdsm-config.conf
>> [environment:enforce]
>> VDSM_CONFIG/irs/iscsi_default_ifaces=str:iser,default
>>
>> The filename I believe can be changed, just requires .conf extension
>>
>> Once VDSM is configured to use iser you can add the domain in the GUI
>> using the IPoIB IP address to initiate iSER.
>>
>> ovirtnode01 # iscsiadm -m session
>> iser: [3] 192.168.211.245:3260,1 iqn.2014-04.DOMAIN.vmstore1:ovirt-data_iscsi
>>
>> - Trey
>>
>> On Wed, Sep 24, 2014 at 6:42 AM, Arman Khalatyan <arm2arm at gmail.com> wrote:
>> > Hi,
>> > I am trying to attach my new storage domain over iser.
>> > My server always gets that request is tcp/ip not rdma.
>> > Simple work around is login from hosts over iser.
>> > Would be good to add a possibility to select the protocol of
>> > iscsi:tcp/iser/srp.
>> >
>> > Thanks,
>> > Arman
>> >
>> > PS
>> > for those who was struggling with same trouble:
>> > 1) on hosts:
>> > add lines in /etc/rdma/rdma.conf
>> > # Load iSER module
>> > ISER_LOAD=YES
>> > 2) service rdma restart (or modprobe ib_iser
>> > 3) iscsiadm -m discovery -t st -p 10.10.10.31 -I iser
>> > 4) iscsiadm -m node --login
>> >
>> > 5) check if disks are there
>> > iscsiadm -m session -o show
>> > lssci
>> > [1228:0:0:0] storage IET      Controller       0001  -
>> > [1228:0:0:1] disk    IET      VIRTUAL-DISK     0001  /dev/sde
>> >  lsblk /dev/sde
>> > NAME                                                         MAJ:MIN RM
>> > SIZE RO TYPE  MOUNTPOINT
>> > sde                                                            8:64   0
>> > 36.4T  0 disk
>> > ââ100090001 (dm-8)                                           253:8    0
>> > 36.4T  0 mpath
>> >   ââ18b70b0d--4944--4c73--970d--87a1af353b9f-metadata (dm-9) 253:9    0
>> > 512M  0 lvm
>> >   ââ18b70b0d--4944--4c73--970d--87a1af353b9f-ids (dm-10)     253:10   0
>> > 128M  0 lvm
>> >   ââ18b70b0d--4944--4c73--970d--87a1af353b9f-leases (dm-11)  253:11   0
>> > 2G  0 lvm
>> >   ââ18b70b0d--4944--4c73--970d--87a1af353b9f-outbox (dm-12)  253:12   0
>> > 128M  0 lvm
>> >   ââ18b70b0d--4944--4c73--970d--87a1af353b9f-inbox (dm-13)   253:13   0
>> > 128M  0 lvm
>> >   ââ18b70b0d--4944--4c73--970d--87a1af353b9f-master (dm-14)  253:14   0
>> > 1G  0 lvm
>> >
>
> Thanks for the info, guys.
> Does any of you use hosted engine with iSER?