Very big device. Trying to use READ CAPACITY
by Iman Darabi
hi.
i'm using ovirt version 4.0 .
I've created two LUNs. firs lun is 2047GB and working properly as data
domain. but when i try to add second lun as second data domain, i get this
error on server:
Jun 21 13:22:41 compute52 kernel: sd 12:0:0:16384: [sdf] Very big device.
Trying to use READ CAPACITY(16).
Jun 21 13:22:41 compute52 kernel: sd 5:0:0:0: [sdb] Very big device. Trying
to use READ CAPACITY(16).
Jun 21 13:22:41 compute52 kernel: sd 12:0:1:16384: [sdg] Very big device.
Trying to use READ CAPACITY(16).
Jun 21 13:22:41 compute52 kernel: sd 5:0:1:0: [sdc] Very big device. Trying
to use READ CAPACITY(16).
Jun 21 13:22:41 compute52 kernel: sd 12:0:0:0: [sdd] Read Capacity(10)
failed: Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jun 21 13:22:41 compute52 kernel: sd 12:0:0:0: [sdd] Sense Key : Illegal
Request [current]
Jun 21 13:22:41 compute52 kernel: sd 12:0:0:0: [sdd] Add. Sense: Logical
unit not supported
Jun 21 13:22:41 compute52 kernel: sd 12:0:1:0: [sde] Read Capacity(10)
failed: Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jun 21 13:22:41 compute52 kernel: sd 12:0:1:0: [sde] Sense Key : Illegal
Request [current]
Jun 21 13:22:41 compute52 kernel: sd 12:0:1:0: [sde] Add. Sense: Logical
unit not supported
Jun 21 13:22:41 compute52 kernel: device-mapper: table: 253:16: multipath:
error getting device
Jun 21 13:22:41 compute52 kernel: device-mapper: ioctl: error adding target
to table
Jun 21 13:22:41 compute52 multipathd: dm-16: remove map (uevent)
Jun 21 13:22:41 compute52 multipathd: dm-16: remove map (uevent)
error shows that second lun is very big device, but i've created second lun
as 10GB for test.
BTW: is there any good documentation for ovirt and FC in detail. all
administration docs are using GUI ... .
--
R&D expert at Ferdowsi University of Mashhad
https://ir.linkedin.com/in/imandarabi
<https://www.linkedin.com/profile/public-profile-settings?trk=prof-edit-ed...>
7 years, 5 months
Re: [ovirt-users] VM live migration and NFS 4.2
by Markus Stockhausen
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7 years, 5 months
VM live migration and NFS 4.2
by Markus Stockhausen
This is a multi-part message in MIME format.
------=_NextPartTM-000-43bd1b86-b37d-4e90-be0e-0009cc3cc1fc
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
Hi,=0A=
=0A=
we are currently evaluating NFS 4.2 based storage for OVirt 4.1.2. Normal o=
peration=0A=
and discard support work like a charm. =0A=
=0A=
For some strange reason we cannot use VM live migration any more. As soon a=
s one =0A=
NFS 4.2 based VM disk is doing disk I/O during the operation. VM stalls and=
is paused. =0A=
It seems as if qemu on target node cannot take over disk images. See BZ1464=
787. =0A=
=0A=
Has anybody else seen similar issues?=0A=
=0A=
Best regards. =0A=
=0A=
Markus =
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Collogia
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Vorstand:
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Dr. Michael Höhnerbach
Vorsitzender des Aufsichtsrates:
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Registernummer: HRB 52 497
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7 years, 5 months
hosted engine local disk estimate for OVA file
by Ben De Luca
Hi,
I am in the middle of a disaster recovery situation trying to install
ovirt 4.1 after a failure of some of our NFS systems. So I was redeploying
4.0 but there is a bug with the image uploader, that means I cant upload
images. Our actually virtual machine hosts have very small HD's and the
current 4.1 release installer thinks that the OVA extracted is 50GiB, I
have exactly 50GB free! yay. So I did manage to hack the installer, to
ignore my local disk space as the OVA is really only a few gigs in side.
But its been pretty painful. Any chance of some one fixing the
estimate there, I have read through the code, there was an attempt to find
out the real size but they gave up and just guessed.
-bd
*tired sysadmin*
7 years, 5 months
Re: [ovirt-users] VDSM ConnectStorageServerVDS failed
by Elad Ben Aharon
You're welcome
On Sun, Jun 25, 2017 at 12:38 PM, JC Clark <jc(a)mcsaipan.net> wrote:
> Mr Aharon,
>
> Thank you for an expedient reply. Your suggestions pointed me in the
> right direction. I was concentrating on the Hosts when it was the storage
> I should have paid more attention to. It seems that if any one of the
> Storage Domains is not connecting properly, the system refuses to restore.
>
> It turns out that after the power failure, an inconspicuous server had not
> come up properly. It had the ISO Domain and an unused Data Domain which
> was still attached. These caused the failure. BZ to you sir and good day.
>
> Thank you
>
>
>
> On 06/25/2017 06:54 PM, Elad Ben Aharon wrote:
>
> Hi,
>
> Which types of storage do you have in the data center?
>
> In case it's a block based storage (iSCSI/FC), check that the devices
> (LUNs) where you domains reside are accessible though multipath and LVM:
>
> # multipath -ll
> # pvs
> # vgs
>
> In case it's a file based storage (NFS/GlusterFS), check that the storage
> domain file system is mounted under /rhev/data-center/mnt
>
> # mount | grep '/rhev/data-center'
>
> On Sun, Jun 25, 2017 at 11:29 AM, JC Clark <jc(a)mcsaipan.net> wrote:
>
>> Dear All,
>>
>> Is there a reason that a perfectly well working Ovirt 4.1 Engine after a
>> power failure, would not allow the hosts to activate because of "VDSM
>> ConnectStorageServerVDS failed". All firewalls are down, I have
>> reinstalled the host, upgraded everything (host and engine), deleted and
>> reinstalled hosts, I can ssh to all from all. Any clues??
>>
>> Thanks ahead of time..
>>
>> --
>> Warm Regards,
>> JC Clark
>> IT Director
>> Mount Carmel School
>> Saipan, CNMI
>>
>> _______________________________________________
>> Users mailing list
>> Users(a)ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>>
>
>
>
> --
> Warm Regards,
>
> JC Clark
> IT Director
> Mount Carmel School
> Saipan, CNMI
> (670) 235-6272 office(670) 483-8684 cell
>
>
7 years, 5 months
Re: [ovirt-users] VDSM ConnectStorageServerVDS failed
by Elad Ben Aharon
Can you please provide engine.log and vdsm.log?
On Sun, Jun 25, 2017 at 2:29 PM, JC Clark <jc(a)mcsaipan.net> wrote:
> Mr. Aharon,
>
> One question comes to mind, if the mounts don't mount to the rhev... mount
> point, what is the easiest way to rectify that problem?
>
>
>
> On 06/25/2017 06:54 PM, Elad Ben Aharon wrote:
>
> Hi,
>
> Which types of storage do you have in the data center?
>
> In case it's a block based storage (iSCSI/FC), check that the devices
> (LUNs) where you domains reside are accessible though multipath and LVM:
>
> # multipath -ll
> # pvs
> # vgs
>
> In case it's a file based storage (NFS/GlusterFS), check that the storage
> domain file system is mounted under /rhev/data-center/mnt
>
> # mount | grep '/rhev/data-center'
>
> On Sun, Jun 25, 2017 at 11:29 AM, JC Clark <jc(a)mcsaipan.net> wrote:
>
>> Dear All,
>>
>> Is there a reason that a perfectly well working Ovirt 4.1 Engine after a
>> power failure, would not allow the hosts to activate because of "VDSM
>> ConnectStorageServerVDS failed". All firewalls are down, I have
>> reinstalled the host, upgraded everything (host and engine), deleted and
>> reinstalled hosts, I can ssh to all from all. Any clues??
>>
>> Thanks ahead of time..
>>
>> --
>> Warm Regards,
>> JC Clark
>> IT Director
>> Mount Carmel School
>> Saipan, CNMI
>>
>> _______________________________________________
>> Users mailing list
>> Users(a)ovirt.org
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>
>
> --
> Warm Regards,
>
> JC Clark
> IT Director
> Mount Carmel School
> Saipan, CNMI
> (670) 235-6272 office(670) 483-8684 cell
>
>
7 years, 5 months
VDSM ConnectStorageServerVDS failed
by JC Clark
Dear All,
Is there a reason that a perfectly well working Ovirt 4.1 Engine after a
power failure, would not allow the hosts to activate because of "VDSM
ConnectStorageServerVDS failed". All firewalls are down, I have
reinstalled the host, upgraded everything (host and engine), deleted and
reinstalled hosts, I can ssh to all from all. Any clues??
Thanks ahead of time..
--
Warm Regards,
JC Clark
IT Director
Mount Carmel School
Saipan, CNMI
7 years, 5 months
Change HostedEngine Storage
by Matt .
Hi guys,
When you want to move your hosted_engine storage you can copy stuff
over but you still need to change the image which contains all config
files.
Is there some documentation about how to do so ?
Thanks,
Matt
7 years, 5 months
Info on live snapshot and agent interaction
by Gianluca Cecchi
Hello,
supposing to have a Linux VM with ovirt-guest-agent installed, during a
live snapshot operation it should be freeze of filesystems.
Where to find confirmation of correct/successful interaction?
/var/log/messages or agent log or other kind of files?
Are there any limitations on filesystems that support freeze? Is it
fsfreeze the command executed at VM OS level or any other low level command?
Thanks,
Gianluca
7 years, 5 months
