1:06 p.m.
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Hello everyone,
The QEMU/KVM on IBM POWER does not support iSCSI yet. This requires the imp=
lementation of methods that evaluate if a Disk is a iSCSI LUN or not, in or=
der to avoid its use in this specific architecture.
Looks like this can be determined by the attribute lunType (which is of the=
type StorageType, an Enum) of the class LUNs. But when I retrieve the obje=
ct, the attribute lunType has the value "UNKNOWN", even if I've setted it
w=
ith another value. In the class LunDAODbFacadeImpl there is not a call to t=
he "entity.setLunType" method.
Does anyone know how to retrieve the attribute lunType? Is the "UNKNOW" val=
ue a bug?
Thanks,
Leonardo Bianconi/Vitor de Lima/Gustavo Pedrosa
--_000_EF26FC1776F7FF46BFC072393EFD13A29A07E9SERV070corpeldora_
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class=3D"WordSection1" <p
class=3D"MsoNormal"><span lang=3D"EN-US"
style=3D"color:black;mso-fareas=
t-language:ZH-CN">Hello everyone,<br
<br The QEMU/KVM on IBM POWER does not
support iSCSI yet. This requires the imp=
lementation of methods that evaluate if a Disk is a iSCSI LUN or not, in or=
der to avoid its use in this specific architecture.<br Looks
like this can be determined by the attribute lunType (which is of the=
type StorageType, an Enum) of the class LUNs. But when I retrieve the obje=
ct, the attribute lunType has the value "UNKNOWN", even if I've s=
etted it with another value. In the class
LunDAODbFacadeImpl there is not a call to the "entity.setLunType"=
; method.<br <br Does
anyone know how to retrieve the attribute lunType? Is the "UNKNOW=
" value a bug?<br <br
</span><span
style=3D"color:black;mso-fareast-language:ZH-CN">Thanks,</span=
><span
style=3D"mso-fareast-language:ZH-CN"><o:p></o:p></span></p <p class=3D"MsoNormal">Leonardo Bianconi/Vitor
de Lima/Gustavo Pedrosa<o:p>=
</o:p></p </div </body
</html
--_000_EF26FC1776F7FF46BFC072393EFD13A29A07E9SERV070corpeldora_--
1:51 a.m.
Hi Gustavo,
----- Original Message -----
From: "Gustavo Frederico Temple Pedrosa"
<gustavo.pedrosa(a)eldorado.org.br>
To: engine-devel(a)ovirt.org
Cc: "Leonardo Bianconi" <leonardo.bianconi(a)eldorado.org.br>
Sent: Monday, July 29, 2013 9:06:53 PM
Subject: [Engine-devel] Question about the attribute lunType (LUNs)
Hello everyone,
The QEMU/KVM on IBM POWER does not support iSCSI yet. This requires the
implementation of methods that evaluate if a Disk is a iSCSI LUN or not, in
order to avoid its use in this specific architecture.
Looks like this can be determined by the attribute lunType (which is of the
type StorageType, an Enum) of the class LUNs. But when I retrieve the
object, the attribute lunType has the value "UNKNOWN", even if I've setted
it with another value. In the class LunDAODbFacadeImpl there is not a call
to the "entity.setLunType" method.
Does anyone know how to retrieve the attribute lunType? Is the "UNKNOW" value
a bug?
IIRC the lun type isn't saved in the DB - so that DAO will never set it.
This attribute is currently being generated by checking if the LUN is FC or ISCSI based on
it's connections (FC - currently means "no connections"
while ISCSI means "has connections"). Therefore you won't see it being set
when querying it from the DB.
let me know if you have any further related questions.
Liron.
Thanks,
Leonardo Bianconi/Vitor de Lima/Gustavo Pedrosa
_______________________________________________
Engine-devel mailing list
Engine-devel(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/engine-devel
5:11 a.m.
On 07/29/2013 09:06 PM, Gustavo Frederico Temple Pedrosa wrote:
Hello everyone,
The QEMU/KVM on IBM POWER does not support iSCSI yet. This requires the
implementation of methods that evaluate if a Disk is a iSCSI LUN or not,
in order to avoid its use in this specific architecture.
Looks like this can be determined by the attribute lunType (which is of
the type StorageType, an Enum) of the class LUNs. But when I retrieve
the object, the attribute lunType has the value "UNKNOWN", even if I've
setted it with another value. In the class LunDAODbFacadeImpl there is
not a call to the "entity.setLunType" method.
Does anyone know how to retrieve the attribute lunType? Is the "UNKNOW"
value a bug?
Thanks,
Leonardo Bianconi/Vitor de Lima/Gustavo Pedrosa
_______________________________________________
Engine-devel mailing list
Engine-devel(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/engine-devel
Gustavo - what are you trying to achieve exactly? not allowing iscsi
storage domains for ppc, or direct lun type disks (or something else)?
Thanks,
Itamar
9:13 a.m.
-----Original Message-----
From: Itamar Heim [mailto:iheim@redhat.com]
Sent: terça-feira, 30 de julho de 2013 07:12
To: Gustavo Frederico Temple Pedrosa
Cc: engine-devel(a)ovirt.org; Leonardo Bianconi
Subject: Re: [Engine-devel] Question about the attribute lunType (LUNs)
On 07/29/2013 09:06 PM, Gustavo Frederico Temple Pedrosa wrote:
> Hello everyone,
>
> The QEMU/KVM on IBM POWER does not support iSCSI yet. This requires
> the implementation of methods that evaluate if a Disk is a iSCSI LUN
> or not, in order to avoid its use in this specific architecture.
> Looks like this can be determined by the attribute lunType (which is
> of the type StorageType, an Enum) of the class LUNs. But when I
> retrieve the object, the attribute lunType has the value "UNKNOWN",
> even if I've setted it with another value. In the class
> LunDAODbFacadeImpl there is not a call to the "entity.setLunType"
method.
>
> Does anyone know how to retrieve the attribute lunType? Is the
"UNKNOW"
> value a bug?
>
> Thanks,
>
> Leonardo Bianconi/Vitor de Lima/Gustavo Pedrosa
>
>
>
> _______________________________________________
> Engine-devel mailing list
> Engine-devel(a)ovirt.org
> http://lists.ovirt.org/mailman/listinfo/engine-devel
>
Gustavo - what are you trying to achieve exactly? not allowing iscsi storage
domains for ppc, or direct lun type disks (or something else)?
Thanks,
Itamar
Hello Itamar,
The QEMU/KVM on IBM POWER does not support direct LUN disks (i.e. -drive
file=iscsi://ip_address/target/1), so this kind of device cannot be available on the
frontend.
Thanks,
Leonardo Bianconi/Vitor de Lima/Gustavo Pedrosa
9:14 a.m.
On 07/30/2013 05:13 PM, Gustavo Frederico Temple Pedrosa wrote:
> -----Original Message-----
> From: Itamar Heim [mailto:iheim@redhat.com]
> Sent: terça-feira, 30 de julho de 2013 07:12
> To: Gustavo Frederico Temple Pedrosa
> Cc: engine-devel(a)ovirt.org; Leonardo Bianconi
> Subject: Re: [Engine-devel] Question about the attribute lunType (LUNs)
>
> On 07/29/2013 09:06 PM, Gustavo Frederico Temple Pedrosa wrote:
>> Hello everyone,
>>
>> The QEMU/KVM on IBM POWER does not support iSCSI yet. This requires
>> the implementation of methods that evaluate if a Disk is a iSCSI LUN
>> or not, in order to avoid its use in this specific architecture.
>> Looks like this can be determined by the attribute lunType (which is
>> of the type StorageType, an Enum) of the class LUNs. But when I
>> retrieve the object, the attribute lunType has the value "UNKNOWN",
>> even if I've setted it with another value. In the class
>> LunDAODbFacadeImpl there is not a call to the "entity.setLunType"
> method.
>>
>> Does anyone know how to retrieve the attribute lunType? Is the
> "UNKNOW"
>> value a bug?
>>
>> Thanks,
>>
>> Leonardo Bianconi/Vitor de Lima/Gustavo Pedrosa
>>
>>
>>
>> _______________________________________________
>> Engine-devel mailing list
>> Engine-devel(a)ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/engine-devel
>>
>
> Gustavo - what are you trying to achieve exactly? not allowing iscsi storage
> domains for ppc, or direct lun type disks (or something else)?
>
> Thanks,
> Itamar
Hello Itamar,
The QEMU/KVM on IBM POWER does not support direct LUN disks (i.e. -drive
file=iscsi://ip_address/target/1), so this kind of device cannot be available on the
frontend.
Thanks,
Leonardo Bianconi/Vitor de Lima/Gustavo Pedrosa
i could be wrong, but i'm pretty sure direct lun disks in ovirt are done
by the host doing the iscsi connection, and mounting the disk as a
regular block device to the guest?
2:21 p.m.
-----Original Message-----
From: Itamar Heim [mailto:iheim@redhat.com]
Sent: terça-feira, 30 de julho de 2013 11:15
To: Gustavo Frederico Temple Pedrosa
Cc: engine-devel(a)ovirt.org; Leonardo Bianconi; Vitor de Lima; Federico
Simoncelli
Subject: Re: [Engine-devel] Question about the attribute lunType (LUNs)
On 07/30/2013 05:13 PM, Gustavo Frederico Temple Pedrosa wrote:
>> -----Original Message-----
>> From: Itamar Heim [mailto:iheim@redhat.com]
>> Sent: terça-feira, 30 de julho de 2013 07:12
>> To: Gustavo Frederico Temple Pedrosa
>> Cc: engine-devel(a)ovirt.org; Leonardo Bianconi
>> Subject: Re: [Engine-devel] Question about the attribute lunType
>> (LUNs)
>>
>> On 07/29/2013 09:06 PM, Gustavo Frederico Temple Pedrosa wrote:
>>> Hello everyone,
>>>
>>> The QEMU/KVM on IBM POWER does not support iSCSI yet. This
requires
>>> the implementation of methods that evaluate if a Disk is a iSCSI LUN
>>> or not, in order to avoid its use in this specific architecture.
>>> Looks like this can be determined by the attribute lunType (which is
>>> of the type StorageType, an Enum) of the class LUNs. But when I
>>> retrieve the object, the attribute lunType has the value
"UNKNOWN",
>>> even if I've setted it with another value. In the class
>>> LunDAODbFacadeImpl there is not a call to the "entity.setLunType"
>> method.
>>>
>>> Does anyone know how to retrieve the attribute lunType? Is the
>> "UNKNOW"
>>> value a bug?
>>>
>>> Thanks,
>>>
>>> Leonardo Bianconi/Vitor de Lima/Gustavo Pedrosa
>>>
>>>
>>>
>>> _______________________________________________
>>> Engine-devel mailing list
>>> Engine-devel(a)ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/engine-devel
>>>
>>
>> Gustavo - what are you trying to achieve exactly? not allowing iscsi
>> storage domains for ppc, or direct lun type disks (or something else)?
>>
>> Thanks,
>> Itamar
>
>
>
> Hello Itamar,
>
> The QEMU/KVM on IBM POWER does not support direct LUN disks (i.e. -
drive file=iscsi://ip_address/target/1), so this kind of device cannot be
available on the frontend.
>
> Thanks,
> Leonardo Bianconi/Vitor de Lima/Gustavo Pedrosa
>
i could be wrong, but i'm pretty sure direct lun disks in ovirt are done by the
host doing the iscsi connection, and mounting the disk as a regular block
device to the guest?
Yes, you are correct. We tested and the VDSM does not pass LUNs directly to QEMU.
4135
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5 comments
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participants (3)
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Gustavo Frederico Temple Pedrosa -
Itamar Heim -
Liron Aravot