Hi Sam,
Pacemaker will take care of HA failover but you will need to progagate
the PR data yourself.
If you are interested in a solution that works out of the box with
Windows, have a look at PetaSAN
www.petasan.org
It works well with MS hyper-v/storage spaces/Scale Out File Server.
Cheers
/Maged
On 2017-08-09 18:42, Samuel Soulard wrote:
> Hmm :( Even for an Active/Passive configuration? I'm guessing we will need
> to do something with Pacemaker in the meantime?
>
> On Wed, Aug 9, 2017 at 12:37 PM, Jason Dillaman <[email protected]> wrote:
>
>> I can probably say that it won't work out-of-the-gate for Hyper-V
>> since it most likely will require iSCSI persistent reservations. That
>> support is still being added to the kernel because right now it isn't
>> being distributed to all the target portal group nodes.
>>
>> On Wed, Aug 9, 2017 at 12:30 PM, Samuel Soulard
>>
>> <[email protected]> wrote:
>>> Thanks! we'll visit back this subject once it is released. Waiting on this
>>> to perform some tests for Hyper-V/VMware ISCSI LUNs :)
>>>
>>> Sam
>>>
>>> On Wed, Aug 9, 2017 at 10:35 AM, Jason Dillaman <[email protected]> wrote:
>>>>
>>>> Yes, RHEL/CentOS 7.4 or kernel 4.13 (once it's released).
>>>>
>>>> On Wed, Aug 9, 2017 at 6:56 AM, Samuel Soulard <[email protected]>
>>>> wrote:
>>>>> Hi Jason,
>>>>>
>>>>> Oh the documentation is awesome:
>>>>>
>>>>> https://github.com/ritz303/ceph/blob/6ab7bc887b265127510c3c3fde6dbad0e047955d/doc/rbd/iscsi-target-cli.rst
>>>>> [1]
>>>>>
>>>>> So I assume that this is not yet available for CentOS and requires us to
>>>>> wait until CentOS 7.4 is released?
>>>>>
>>>>> Thanks for the documentation, it makes everything more clear.
>>>>>
>>>>> On Tue, Aug 8, 2017 at 9:37 PM, Jason Dillaman <[email protected]>
>>>>> wrote:
>>>>>>
>>>>>> We are working hard to formalize active/passive iSCSI configuration
>>>>>> across Linux/Windows/ESX via LIO. We have integrated librbd into LIO's
>>>>>> tcmu-runner and have developed a set of support applications to
>>>>>> managing the clustered configuration of your iSCSI targets. There is
>>>>>> some preliminary documentation here [1] that will be merged once we
>>>>>> can finish our testing.
>>>>>>
>>>>>> [1] https://github.com/ceph/ceph/pull/16182 [2]
>>>>>>
>>>>>> On Tue, Aug 8, 2017 at 4:45 PM, Samuel Soulard
>>>>>> <[email protected]>
>>>>>> wrote:
>>>>>>> Hi all,
>>>>>>>
>>>>>>> Platform : Centos 7 Luminous 12.1.2
>>>>>>>
>>>>>>> First time here but, are there any guides or guidelines out there on
>>>>>>> how
>>>>>>> to
>>>>>>> configure ISCSI gateways in HA so that if one gateway fails, IO can
>>>>>>> continue
>>>>>>> on the passive node?
>>>>>>>
>>>>>>> What I've done so far
>>>>>>> -ISCSI node with Ceph client map rbd on boot
>>>>>>> -Rbd has exclusive-lock feature enabled and layering
>>>>>>> -Targetd service dependent on rbdmap.service
>>>>>>> -rbd exported through LUN ISCSI
>>>>>>> -Windows ISCSI imitator can map the lun and format / write to it
>>>>>>> (awesome)
>>>>>>>
>>>>>>> Now I have no idea where to start to have an active /passive scenario
>>>>>>> for
>>>>>>> luns exported with LIO. Any ideas?
>>>>>>>
>>>>>>> Also the web dashboard seem to hint that it can get stats for various
>>>>>>> clients made on ISCSI gateways, I'm not sure where it pulls that
>>>>>>> information. Is Luminous now shipping a ISCSI daemon of some sort?
>>>>>>>
>>>>>>> Thanks all!
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> ceph-users mailing list
>>>>>>> [email protected]
>>>>>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com [3]
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Jason
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Jason
>>>
>>>
>>
>> --
>> Jason
>
> _______________________________________________
> ceph-users mailing list
> [email protected]
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
Links:
------
[1]
https://github.com/ritz303/ceph/blob/6ab7bc887b265127510c3c3fde6dbad0e047955d/doc/rbd/iscsi-target-cli.rst
[2] https://github.com/ceph/ceph/pull/16182
[3] http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
_______________________________________________
ceph-users mailing list
[email protected]
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
