On Wed, Mar 25, 2020 at 2:06 PM Gianluca Cecchi
<gianluca.cec...@gmail.com> wrote:
>
> Hello,
> I'm on 4.3.9
> I have created a VM with 4vcpu, 16gb mem and a nic and a thin provisioned 
> disk of 120Gb
> Installed nothing on it, only defined.
> Now I'm trying to make template from it but I get error.
> I leave the prefille value of raw for format
> Target storage domain has 900 Gb free, almost empty
>
> In events pane:
>
> Creation of Template ocp_node from VM ocp_node_template was initiated by 
> admin@internal-authz.
> 3/25/20 12:42:35 PM
>
> Then I get error in events pane is:
>
> VDSM ovirt.example.local command HSMGetAllTasksStatusesVDS failed: low level 
> Image copy failed: ("Command ['/usr/bin/qemu-img', 'convert', '-p', '-t', 
> 'none', '-T', 'none', '-f', 'raw', 
> u'/rhev/data-center/mnt/glusterSD/ovirtst.example.storage:_vmstore/81b97244-4b69-4d49-84c4-c822387adc6a/images/61689cb2-fdce-41a5-a6d9-7d06aefeb636/30009efb-83ed-4b0d-b243-3160195ae46e',
>  '-O', 'qcow2', '-o', 'compat=1.1', 
> u'/rhev/data-center/mnt/glusterSD/ovirtst.example.storage:_vmstore/81b97244-4b69-4d49-84c4-c822387adc6a/images/5642b52f-d7e8-48a8-adf9-f79022ce4594/982dd5cc-5f8f-41cb-b2e7-3cbdf2a656cf']
>  failed with rc=1 out='' err=bytearray(b'qemu-img: error while reading sector 
> 18620412: No such file or directory\\n')",)

This is the second time I see this error - this error should be
impossible, reading should never
fail with ENOENT.

> Error: Command ['/usr/bin/qemu-img', 'convert', '-p', '-t', 'none', '-T', 
> 'none', '-f', 'raw', 
> u'/rhev/data-center/mnt/glusterSD/ovirtst.example.storage:_vmstore/81b97244-4b69-4d49-84c4-c822387adc6a/images/61689cb2-fdce-41a5-a6d9-7d06aefeb636/30009efb-83ed-4b0d-b243-3160195ae46e',
>  '-O', 'raw', 
> u'/rhev/data-center/mnt/glusterSD/ovirtst.example.storage:_vmstore/81b97244-4b69-4d49-84c4-c822387adc6a/images/bb167b28-94fa-434c-8fb6-c4bedfc06c62/53d3ab96-e5d1-453a-9989-2f858e6a9e0a']
>  failed with rc=1 out='' err=bytearray(b'qemu-img: error while reading sector 
> 22028283: No data available\n')

This error ENODATA is also strange, preadv() is not documented to
return this error.

This is the second report here about impossible errors with gluster
storage. First report was here:
https://lists.ovirt.org/archives/list/users@ovirt.org/message/KBNSTWBZFN7PGWW74AGAGQVPNJ2DIZ6S/

Please file gluster bug and attach gluster client logs from /var/log/glusterfs/.


Nir
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