Re: [ovirt-users] Troubles after resizing the iscsi storage.

2017-02-22 Thread Fred Rolland
Here is the feature page :
http://www.ovirt.org/develop/release-management/features/storage/lun-resize/

On Tue, Feb 21, 2017 at 6:32 PM, Nir Soffer  wrote:

> On Tue, Feb 21, 2017 at 5:57 PM, Gianluca Cecchi
>  wrote:
> > On Tue, Feb 21, 2017 at 4:46 PM, Nir Soffer  wrote:
> >>
> >>
> >> The resize button should be in the "Additional size" column when a LUN
> >> can be resized.
> >>
> >> Vdsm reports the size of each LUN and the size of the PV. If the LUN
> >> and the PV can be resized you should see the button.
> >>
> >> Nir
> >>
> >
> > Perhaps he can select the storage domain in storage tab and "Scan Disks"
> to
> > induce an iscsi rescan on hosts and then in manage domain see this
> > additional column?
>
> I don't know what "scan disks", does, but it is not required.
>
> When you open the "new/manage domain" dialog we fetch the device
> list from vdsm (getDeviceList) and this perform all the steps needed to
> detect resized devices.
>
> Nir
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Re: [ovirt-users] Troubles after resizing the iscsi storage.

2017-02-21 Thread Nir Soffer
On Tue, Feb 21, 2017 at 5:57 PM, Gianluca Cecchi
 wrote:
> On Tue, Feb 21, 2017 at 4:46 PM, Nir Soffer  wrote:
>>
>>
>> The resize button should be in the "Additional size" column when a LUN
>> can be resized.
>>
>> Vdsm reports the size of each LUN and the size of the PV. If the LUN
>> and the PV can be resized you should see the button.
>>
>> Nir
>>
>
> Perhaps he can select the storage domain in storage tab and "Scan Disks" to
> induce an iscsi rescan on hosts and then in manage domain see this
> additional column?

I don't know what "scan disks", does, but it is not required.

When you open the "new/manage domain" dialog we fetch the device
list from vdsm (getDeviceList) and this perform all the steps needed to
detect resized devices.

Nir
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Re: [ovirt-users] Troubles after resizing the iscsi storage.

2017-02-21 Thread Gianluca Cecchi
On Tue, Feb 21, 2017 at 4:46 PM, Nir Soffer  wrote:

>
> The resize button should be in the "Additional size" column when a LUN
> can be resized.
>
> Vdsm reports the size of each LUN and the size of the PV. If the LUN
> and the PV can be resized you should see the button.
>
> Nir
>
>
Perhaps he can select the storage domain in storage tab and "Scan Disks" to
induce an iscsi rescan on hosts and then in manage domain see this
additional column?
Just a guess...
Gianluca
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Re: [ovirt-users] Troubles after resizing the iscsi storage.

2017-02-20 Thread Nir Soffer
On Mon, Feb 20, 2017 at 11:54 AM, Arman Khalatyan  wrote:

> Hi,
> I just have 1TB iscsi  storage with virtual machine with  several disks.
> After shutdown the vm I just detached storage and removed from the cluster
> and ovirt totally.
> 1) Then on the target resized the exported volume to 13TB,
> 2) iscsiadm -m node -l on the host I resized
> iscsiadm -m node -l
> pvresize /dev/mapper/.
> iscsiadm -m node -u
>
> After importing back to the ovirt over the gui, I can see the vm is in the
> import field but I cannot see separate disks
> Importing failing in the stage "Executing".
>
are there way to fix it?
> On the host with "lvs" I can see the disks are there.
>

Hi Arman,

You don't need to remove storage from ovirt to resize a LUN, and you don't
need
to resize the pv, we can do this for you.

To resize a LUN:

1. Resize the LUN on the storage server
2. Open the "manage domain", dialog
3. Select the LUN and click the "resize" button in the table
(we should detect the new size and display button suggesting to add 11T)
4. Click "OK"

The system will make sure all hosts see the new size of the LUN, and then
it will resize the PV for you, and update engine database with the new LUN
size.

Now, in your case, we don't have any information about the issue, but if
you restart vdsm on the SPM host your issue may be resolved.

If not, please attach engine and vdsm logs.

Nir
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[ovirt-users] Troubles after resizing the iscsi storage.

2017-02-20 Thread Arman Khalatyan
Hi,
I just have 1TB iscsi  storage with virtual machine with  several disks.
After shutdown the vm I just detached storage and removed from the cluster
and ovirt totally.
1) Then on the target resized the exported volume to 13TB,
2) iscsiadm -m node -l on the host I resized
iscsiadm -m node -l
pvresize /dev/mapper/.
iscsiadm -m node -u

After importing back to the ovirt over the gui, I can see the vm is in the
import field but I cannot see separate disks
Importing failing in the stage "Executing".
are there way to fix it?
On the host with "lvs" I can see the disks are there.
thanks,
Arman.
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