[ovirt-users] iSCSI domain on 4kn drives

[Nir Soffer]

On Fri, Nov 10, 2017 at 8:43 PM Marcelo Leandro <marceloltmm at gmail.com>
wrote:

> Good afternoon,
>
> Exist a plan for a implementation of vdsm works with blocks in 4k?
>

Not yet.

If this is important to you, I suggest to open an ovirt bug and explain
your use case.

You can also get someone to implement this. Note that this will not be easy
change, there
is lost of code assuming 512 bytes block size.

The change also require changes in sanlock. Vdsm and sanlock must agree on
the block
size used for a storage domain.

Nir


>
> Thanks.
>
> 2016-09-05 4:15 GMT-03:00 Martijn Grendelman <martijn.grendelman at isaac.nl>
> :
>
>> Op 7-8-2016 om 8:19 schreef Yaniv Kaul:
>>
>>
>> On Fri, Aug 5, 2016 at 4:42 PM, Martijn Grendelman <
>> martijn.grendelman at isaac.nl> wrote:
>>
>>> Op 4-8-2016 om 18:36 schreef Yaniv Kaul:
>>>
>>> On Thu, Aug 4, 2016 at 11:49 AM, Martijn Grendelman <
>>> martijn.grendelman at isaac.nl> wrote:
>>>
>>>> Hi,
>>>>
>>>> Does oVirt support iSCSI storage domains on target LUNs using a block
>>>> size of 4k?
>>>>
>>>
>>> No, we do not - not if it exposes 4K blocks.
>>> Y.
>>>
>>>
>>> Is this on the roadmap?
>>>
>>
>> Not in the short term roadmap.
>> Of course, patches are welcome. It's mainly in VDSM.
>> I wonder if it'll work in NFS.
>> Y.
>>
>>
>> I don't think I ever replied to this, but I can confirm that in RHEV 3.6
>> it works with NFS.
>>
>> Best regards,
>> Martijn.
>>
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>>
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