Hi Krutika,

My comments inline.

Also attached the strace of:
strace -y -ff -o /root/512-trace-on-root.log dd if=/dev/zero
of=/mnt/test2.img oflag=direct bs=512 count=1

and of:
strace -y -ff -o /root/4096-trace-on-root.log dd if=/dev/zero
of=/mnt/test2.img oflag=direct bs=4096 count=16

I have mounted gluster volume at /mnt.
The dd with bs=4096 is successful.

The gluster mount log gives only the following:
[2017-06-06 12:04:54.102576] W [MSGID: 114031]
[client-rpc-fops.c:854:client3_3_writev_cbk] 0-engine-client-0: remote
operation failed [Invalid argument]
[2017-06-06 12:04:54.102591] W [MSGID: 114031]
[client-rpc-fops.c:854:client3_3_writev_cbk] 0-engine-client-1: remote
operation failed [Invalid argument]
[2017-06-06 12:04:54.103355] W [fuse-bridge.c:2312:fuse_writev_cbk]
0-glusterfs-fuse: 205: WRITE => -1
gfid=075ab3a5-0274-4f07-a075-2748c3b4d394 fd=0x7faf1d08706c (Transport
endpoint is not connected)

The gluster brick log gives:
[2017-06-06 12:07:03.793080] E [MSGID: 113072] [posix.c:3453:posix_writev]
0-engine-posix: write failed: offset 0, [Invalid argument]
[2017-06-06 12:07:03.793172] E [MSGID: 115067]
[server-rpc-fops.c:1346:server_writev_cbk] 0-engine-server: 291: WRITEV 0
(075ab3a5-0274-4f07-a075-2748c3b4d394) ==> (Invalid argument) [Invalid
argument]



On Tue, Jun 6, 2017 at 12:50 PM, Krutika Dhananjay <kdhan...@redhat.com>
wrote:

> OK.
>
> So for the 'Transport endpoint is not connected' issue, could you share
> the mount and brick logs?
>
> Hmmm.. 'Invalid argument' error even on the root partition. What if you
> change bs to 4096 and run?
>
If I use bs=4096 the dd is successful on /root and at gluster mounted
volume.

>
> The logs I showed in my earlier mail shows that gluster is merely
> returning the error it got from the disk file system where the
> brick is hosted. But you're right about the fact that the offset 127488 is
> not 4K-aligned.
>
> If the dd on /root worked for you with bs=4096, could you try the same
> directly on gluster mount point on a dummy file and capture the strace
> output of dd?
> You can perhaps reuse your existing gluster volume by mounting it at
> another location and doing the dd.
> Here's what you need to execute:
>
> strace -ff -T -p <pid-of-mount-process> -o 
> <path-to-the-file-where-you-want-the-output-saved>`
>
> FWIW, here's something I found in man(2) open:
>
>
>
>
> *Under  Linux  2.4,  transfer  sizes,  and  the alignment of the user
> buffer and the file offset must all be multiples of the logical block size
> of the filesystem.  Since Linux 2.6.0, alignment to the logical block size
> of the       underlying storage (typically 512 bytes) suffices.  The
> logical block size can be determined using the ioctl(2) BLKSSZGET operation
> or from the shell using the command:           blockdev --getss*
>
Please note also that the physical disks are of 4K sector size (native).
Thus OS is having 4096/4096 local/physical sector size.
[root@v0 ~]# blockdev --getss /dev/sda
4096
[root@v0 ~]# blockdev --getpbsz /dev/sda
4096

>
>
> -Krutika
>
>
> On Tue, Jun 6, 2017 at 1:18 AM, Abi Askushi <rightkickt...@gmail.com>
> wrote:
>
>> Also when testing with dd i get the following:
>>
>> *Testing on the gluster mount: *
>> dd if=/dev/zero 
>> of=/rhev/data-center/mnt/glusterSD/10.100.100.1:_engine/test2.img
>> oflag=direct bs=512 count=1
>> dd: error writing β/rhev/data-center/mnt/glusterSD/10.100.100.1:
>> _engine/test2.imgβ: *Transport endpoint is not connected*
>> 1+0 records in
>> 0+0 records out
>> 0 bytes (0 B) copied, 0.00336755 s, 0.0 kB/s
>>
>> *Testing on the /root directory (XFS): *
>> dd if=/dev/zero of=/test2.img oflag=direct bs=512 count=1
>> dd: error writing β/test2.imgβ:* Invalid argument*
>> 1+0 records in
>> 0+0 records out
>> 0 bytes (0 B) copied, 0.000321239 s, 0.0 kB/s
>>
>> Seems that the gluster is trying to do the same and fails.
>>
>>
>>
>> On Mon, Jun 5, 2017 at 10:10 PM, Abi Askushi <rightkickt...@gmail.com>
>> wrote:
>>
>>> The question that rises is what is needed to make gluster aware of the
>>> 4K physical sectors presented to it (the logical sector is also 4K). The
>>> offset (127488) at the log does not seem aligned at 4K.
>>>
>>> Alex
>>>
>>> On Mon, Jun 5, 2017 at 2:47 PM, Abi Askushi <rightkickt...@gmail.com>
>>> wrote:
>>>
>>>> Hi Krutika,
>>>>
>>>> I am saying that I am facing this issue with 4k drives. I never
>>>> encountered this issue with 512 drives.
>>>>
>>>> Alex
>>>>
>>>> On Jun 5, 2017 14:26, "Krutika Dhananjay" <kdhan...@redhat.com> wrote:
>>>>
>>>>> This seems like a case of O_DIRECT reads and writes gone wrong,
>>>>> judging by the 'Invalid argument' errors.
>>>>>
>>>>> The two operations that have failed on gluster bricks are:
>>>>>
>>>>> [2017-06-05 09:40:39.428979] E [MSGID: 113072]
>>>>> [posix.c:3453:posix_writev] 0-engine-posix: write failed: offset 0,
>>>>> [Invalid argument]
>>>>> [2017-06-05 09:41:00.865760] E [MSGID: 113040]
>>>>> [posix.c:3178:posix_readv] 0-engine-posix: read failed on
>>>>> gfid=8c94f658-ac3c-4e3a-b368-8c038513a914, fd=0x7f408584c06c,
>>>>> offset=127488 size=512, buf=0x7f4083c0b000 [Invalid argument]
>>>>>
>>>>> But then, both the write and the read have 512byte-aligned offset,
>>>>> size and buf address (which is correct).
>>>>>
>>>>> Are you saying you don't see this issue with 4K block-size?
>>>>>
>>>>> -Krutika
>>>>>
>>>>> On Mon, Jun 5, 2017 at 3:21 PM, Abi Askushi <rightkickt...@gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi Sahina,
>>>>>>
>>>>>> Attached are the logs. Let me know if sth else is needed.
>>>>>>
>>>>>> I have 5 disks (with 4K physical sector) in RAID5. The RAID has 64K
>>>>>> stripe size at the moment.
>>>>>> I have prepared the storage as below:
>>>>>>
>>>>>> pvcreate --dataalignment 256K /dev/sda4
>>>>>> vgcreate --physicalextentsize 256K gluster /dev/sda4
>>>>>>
>>>>>> lvcreate -n engine --size 120G gluster
>>>>>> mkfs.xfs -f -i size=512 /dev/gluster/engine
>>>>>>
>>>>>> Thanx,
>>>>>> Alex
>>>>>>
>>>>>> On Mon, Jun 5, 2017 at 12:14 PM, Sahina Bose <sab...@redhat.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Can we have the gluster mount logs and brick logs to check if it's
>>>>>>> the same issue?
>>>>>>>
>>>>>>> On Sun, Jun 4, 2017 at 11:21 PM, Abi Askushi <
>>>>>>> rightkickt...@gmail.com> wrote:
>>>>>>>
>>>>>>>> I clean installed everything and ran into the same.
>>>>>>>> I then ran gdeploy and encountered the same issue when deploying
>>>>>>>> engine.
>>>>>>>> Seems that gluster (?) doesn't like 4K sector drives. I am not sure
>>>>>>>> if it has to do with alignment. The weird thing is that gluster 
>>>>>>>> volumes are
>>>>>>>> all ok, replicating normally and no split brain is reported.
>>>>>>>>
>>>>>>>> The solution to the mentioned bug (1386443
>>>>>>>> <https://bugzilla.redhat.com/show_bug.cgi?id=1386443>) was to
>>>>>>>> format with 512 sector size, which for my case is not an option:
>>>>>>>>
>>>>>>>> mkfs.xfs -f -i size=512 -s size=512 /dev/gluster/engine
>>>>>>>> illegal sector size 512; hw sector is 4096
>>>>>>>>
>>>>>>>> Is there any workaround to address this?
>>>>>>>>
>>>>>>>> Thanx,
>>>>>>>> Alex
>>>>>>>>
>>>>>>>>
>>>>>>>> On Sun, Jun 4, 2017 at 5:48 PM, Abi Askushi <
>>>>>>>> rightkickt...@gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Hi Maor,
>>>>>>>>>
>>>>>>>>> My disk are of 4K block size and from this bug seems that gluster
>>>>>>>>> replica needs 512B block size.
>>>>>>>>> Is there a way to make gluster function with 4K drives?
>>>>>>>>>
>>>>>>>>> Thank you!
>>>>>>>>>
>>>>>>>>> On Sun, Jun 4, 2017 at 2:34 PM, Maor Lipchuk <mlipc...@redhat.com>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> Hi Alex,
>>>>>>>>>>
>>>>>>>>>> I saw a bug that might be related to the issue you encountered at
>>>>>>>>>> https://bugzilla.redhat.com/show_bug.cgi?id=1386443
>>>>>>>>>>
>>>>>>>>>> Sahina, maybe you have any advise? Do you think that BZ1386443is
>>>>>>>>>> related?
>>>>>>>>>>
>>>>>>>>>> Regards,
>>>>>>>>>> Maor
>>>>>>>>>>
>>>>>>>>>> On Sat, Jun 3, 2017 at 8:45 PM, Abi Askushi <
>>>>>>>>>> rightkickt...@gmail.com> wrote:
>>>>>>>>>> > Hi All,
>>>>>>>>>> >
>>>>>>>>>> > I have installed successfully several times oVirt (version 4.1)
>>>>>>>>>> with 3 nodes
>>>>>>>>>> > on top glusterfs.
>>>>>>>>>> >
>>>>>>>>>> > This time, when trying to configure the same setup, I am facing
>>>>>>>>>> the
>>>>>>>>>> > following issue which doesn't seem to go away. During
>>>>>>>>>> installation i get the
>>>>>>>>>> > error:
>>>>>>>>>> >
>>>>>>>>>> > Failed to execute stage 'Misc configuration': Cannot acquire
>>>>>>>>>> host id:
>>>>>>>>>> > (u'a5a6b0e7-fc3f-4838-8e26-c8b4d5e5e922', SanlockException(22,
>>>>>>>>>> 'Sanlock
>>>>>>>>>> > lockspace add failure', 'Invalid argument'))
>>>>>>>>>> >
>>>>>>>>>> > The only different in this setup is that instead of standard
>>>>>>>>>> partitioning i
>>>>>>>>>> > have GPT partitioning and the disks have 4K block size instead
>>>>>>>>>> of 512.
>>>>>>>>>> >
>>>>>>>>>> > The /var/log/sanlock.log has the following lines:
>>>>>>>>>> >
>>>>>>>>>> > 2017-06-03 19:21:15+0200 23450 [943]: s9 lockspace
>>>>>>>>>> > ba6bd862-c2b8-46e7-b2c8-91e4a5bb2047:250:/rhev/data-center/m
>>>>>>>>>> nt/_var_lib_ovirt-hosted-engin-setup_tmptjkIDI/ba6bd862-c2b8
>>>>>>>>>> -46e7-b2c8-91e4a5bb2047/dom_md/ids:0
>>>>>>>>>> > 2017-06-03 19:21:36+0200 23471 [944]: s9:r5 resource
>>>>>>>>>> > ba6bd862-c2b8-46e7-b2c8-91e4a5bb2047:SDM:/rhev/data-center/m
>>>>>>>>>> nt/_var_lib_ovirt-hosted-engine-setup_tmptjkIDI/ba6bd862-c2b
>>>>>>>>>> 8-46e7-b2c8-91e4a5bb2047/dom_md/leases:1048576
>>>>>>>>>> > for 2,9,23040
>>>>>>>>>> > 2017-06-03 19:21:36+0200 23471 [943]: s10 lockspace
>>>>>>>>>> > a5a6b0e7-fc3f-4838-8e26-c8b4d5e5e922:250:/rhev/data-center/m
>>>>>>>>>> nt/glusterSD/10.100.100.1:_engine/a5a6b0e7-fc3f-4838-8e26-c8
>>>>>>>>>> b4d5e5e922/dom_md/ids:0
>>>>>>>>>> > 2017-06-03 19:21:36+0200 23471 [23522]: a5a6b0e7 aio collect RD
>>>>>>>>>> > 0x7f59b00008c0:0x7f59b00008d0:0x7f59b0101000 result -22:0
>>>>>>>>>> match res
>>>>>>>>>> > 2017-06-03 19:21:36+0200 23471 [23522]: read_sectors
>>>>>>>>>> delta_leader offset
>>>>>>>>>> > 127488 rv -22
>>>>>>>>>> > /rhev/data-center/mnt/glusterSD/10.100.100.1:_engine/a5a6b0e
>>>>>>>>>> 7-fc3f-4838-8e26-c8b4d5e5e922/dom_md/ids
>>>>>>>>>> > 2017-06-03 19:21:37+0200 23472 [930]: s9 host 250 1 23450
>>>>>>>>>> > 88c2244c-a782-40ed-9560-6cfa4d46f853.v0.neptune
>>>>>>>>>> > 2017-06-03 19:21:37+0200 23472 [943]: s10 add_lockspace fail
>>>>>>>>>> result -22
>>>>>>>>>> >
>>>>>>>>>> > And /var/log/vdsm/vdsm.log says:
>>>>>>>>>> >
>>>>>>>>>> > 2017-06-03 19:19:38,176+0200 WARN  (jsonrpc/3)
>>>>>>>>>> > [storage.StorageServer.MountConnection] Using user specified
>>>>>>>>>> > backup-volfile-servers option (storageServer:253)
>>>>>>>>>> > 2017-06-03 19:21:12,379+0200 WARN  (periodic/1) [throttled] MOM
>>>>>>>>>> not
>>>>>>>>>> > available. (throttledlog:105)
>>>>>>>>>> > 2017-06-03 19:21:12,380+0200 WARN  (periodic/1) [throttled] MOM
>>>>>>>>>> not
>>>>>>>>>> > available, KSM stats will be missing. (throttledlog:105)
>>>>>>>>>> > 2017-06-03 19:21:14,714+0200 WARN  (jsonrpc/1)
>>>>>>>>>> > [storage.StorageServer.MountConnection] Using user specified
>>>>>>>>>> > backup-volfile-servers option (storageServer:253)
>>>>>>>>>> > 2017-06-03 19:21:15,515+0200 ERROR (jsonrpc/4)
>>>>>>>>>> [storage.initSANLock] Cannot
>>>>>>>>>> > initialize SANLock for domain a5a6b0e7-fc3f-4838-8e26-c8b4d5
>>>>>>>>>> e5e922
>>>>>>>>>> > (clusterlock:238)
>>>>>>>>>> > Traceback (most recent call last):
>>>>>>>>>> >   File "/usr/lib/python2.7/site-packa
>>>>>>>>>> ges/vdsm/storage/clusterlock.py", line
>>>>>>>>>> > 234, in initSANLock
>>>>>>>>>> >     sanlock.init_lockspace(sdUUID, idsPath)
>>>>>>>>>> > SanlockException: (107, 'Sanlock lockspace init failure',
>>>>>>>>>> 'Transport
>>>>>>>>>> > endpoint is not connected')
>>>>>>>>>> > 2017-06-03 19:21:15,515+0200 WARN  (jsonrpc/4)
>>>>>>>>>> > [storage.StorageDomainManifest] lease did not initialize
>>>>>>>>>> successfully
>>>>>>>>>> > (sd:557)
>>>>>>>>>> > Traceback (most recent call last):
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sd.py", line 552, in
>>>>>>>>>> initDomainLock
>>>>>>>>>> >     self._domainLock.initLock(self.getDomainLease())
>>>>>>>>>> >   File "/usr/lib/python2.7/site-packa
>>>>>>>>>> ges/vdsm/storage/clusterlock.py", line
>>>>>>>>>> > 271, in initLock
>>>>>>>>>> >     initSANLock(self._sdUUID, self._idsPath, lease)
>>>>>>>>>> >   File "/usr/lib/python2.7/site-packa
>>>>>>>>>> ges/vdsm/storage/clusterlock.py", line
>>>>>>>>>> > 239, in initSANLock
>>>>>>>>>> >     raise se.ClusterLockInitError()
>>>>>>>>>> > ClusterLockInitError: Could not initialize cluster lock: ()
>>>>>>>>>> > 2017-06-03 19:21:37,867+0200 ERROR (jsonrpc/2)
>>>>>>>>>> [storage.StoragePool] Create
>>>>>>>>>> > pool hosted_datacenter canceled  (sp:655)
>>>>>>>>>> > Traceback (most recent call last):
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sp.py", line 652, in create
>>>>>>>>>> >     self.attachSD(sdUUID)
>>>>>>>>>> >   File "/usr/lib/python2.7/site-packa
>>>>>>>>>> ges/vdsm/storage/securable.py", line
>>>>>>>>>> > 79, in wrapper
>>>>>>>>>> >     return method(self, *args, **kwargs)
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sp.py", line 971, in attachSD
>>>>>>>>>> >     dom.acquireHostId(self.id)
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sd.py", line 790, in
>>>>>>>>>> acquireHostId
>>>>>>>>>> >     self._manifest.acquireHostId(hostId, async)
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sd.py", line 449, in
>>>>>>>>>> acquireHostId
>>>>>>>>>> >     self._domainLock.acquireHostId(hostId, async)
>>>>>>>>>> >   File "/usr/lib/python2.7/site-packa
>>>>>>>>>> ges/vdsm/storage/clusterlock.py", line
>>>>>>>>>> > 297, in acquireHostId
>>>>>>>>>> >     raise se.AcquireHostIdFailure(self._sdUUID, e)
>>>>>>>>>> > AcquireHostIdFailure: Cannot acquire host id:
>>>>>>>>>> > (u'a5a6b0e7-fc3f-4838-8e26-c8b4d5e5e922', SanlockException(22,
>>>>>>>>>> 'Sanlock
>>>>>>>>>> > lockspace add failure', 'Invalid argument'))
>>>>>>>>>> > 2017-06-03 19:21:37,870+0200 ERROR (jsonrpc/2)
>>>>>>>>>> [storage.StoragePool] Domain
>>>>>>>>>> > ba6bd862-c2b8-46e7-b2c8-91e4a5bb2047 detach from MSD
>>>>>>>>>> > ba6bd862-c2b8-46e7-b2c8-91e4a5bb2047 Ver 1 failed. (sp:528)
>>>>>>>>>> > Traceback (most recent call last):
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sp.py", line 525, in
>>>>>>>>>> __cleanupDomains
>>>>>>>>>> >     self.detachSD(sdUUID)
>>>>>>>>>> >   File "/usr/lib/python2.7/site-packa
>>>>>>>>>> ges/vdsm/storage/securable.py", line
>>>>>>>>>> > 79, in wrapper
>>>>>>>>>> >     return method(self, *args, **kwargs)
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sp.py", line 1046, in detachSD
>>>>>>>>>> >     raise se.CannotDetachMasterStorageDomain(sdUUID)
>>>>>>>>>> > CannotDetachMasterStorageDomain: Illegal action:
>>>>>>>>>> > (u'ba6bd862-c2b8-46e7-b2c8-91e4a5bb2047',)
>>>>>>>>>> > 2017-06-03 19:21:37,872+0200 ERROR (jsonrpc/2)
>>>>>>>>>> [storage.StoragePool] Domain
>>>>>>>>>> > a5a6b0e7-fc3f-4838-8e26-c8b4d5e5e922 detach from MSD
>>>>>>>>>> > ba6bd862-c2b8-46e7-b2c8-91e4a5bb2047 Ver 1 failed. (sp:528)
>>>>>>>>>> > Traceback (most recent call last):
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sp.py", line 525, in
>>>>>>>>>> __cleanupDomains
>>>>>>>>>> >     self.detachSD(sdUUID)
>>>>>>>>>> >   File "/usr/lib/python2.7/site-packa
>>>>>>>>>> ges/vdsm/storage/securable.py", line
>>>>>>>>>> > 79, in wrapper
>>>>>>>>>> >     return method(self, *args, **kwargs)
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sp.py", line 1043, in detachSD
>>>>>>>>>> >     self.validateAttachedDomain(dom)
>>>>>>>>>> >   File "/usr/lib/python2.7/site-packa
>>>>>>>>>> ges/vdsm/storage/securable.py", line
>>>>>>>>>> > 79, in wrapper
>>>>>>>>>> >     return method(self, *args, **kwargs)
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sp.py", line 542, in
>>>>>>>>>> validateAttachedDomain
>>>>>>>>>> >     self.validatePoolSD(dom.sdUUID)
>>>>>>>>>> >   File "/usr/lib/python2.7/site-packa
>>>>>>>>>> ges/vdsm/storage/securable.py", line
>>>>>>>>>> > 79, in wrapper
>>>>>>>>>> >     return method(self, *args, **kwargs)
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sp.py", line 535, in
>>>>>>>>>> validatePoolSD
>>>>>>>>>> >     raise se.StorageDomainNotMemberOfPool(self.spUUID, sdUUID)
>>>>>>>>>> > StorageDomainNotMemberOfPool: Domain is not member in pool:
>>>>>>>>>> > u'pool=a1e7e9dd-0cf4-41ae-ba13-36297ed66309,
>>>>>>>>>> > domain=a5a6b0e7-fc3f-4838-8e26-c8b4d5e5e922'
>>>>>>>>>> > 2017-06-03 19:21:40,063+0200 ERROR (jsonrpc/2)
>>>>>>>>>> [storage.TaskManager.Task]
>>>>>>>>>> > (Task='a2476a33-26f8-4ebd-876d-02fe5d13ef78') Unexpected error
>>>>>>>>>> (task:870)
>>>>>>>>>> > Traceback (most recent call last):
>>>>>>>>>> >  File "/usr/share/vdsm/storage/task.py", line 877, in _run
>>>>>>>>>> >     return fn(*args, **kargs)
>>>>>>>>>> >   File "/usr/lib/python2.7/site-packages/vdsm/logUtils.py",
>>>>>>>>>> line 52, in
>>>>>>>>>> > wrapper
>>>>>>>>>> >     res = f(*args, **kwargs)
>>>>>>>>>> >   File "/usr/share/vdsm/storage/hsm.py", line 959, in
>>>>>>>>>> createStoragePool
>>>>>>>>>> >     leaseParams)
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sp.py", line 652, in create
>>>>>>>>>> >     self.attachSD(sdUUID)
>>>>>>>>>> >   File "/usr/lib/python2.7/site-packa
>>>>>>>>>> ges/vdsm/storage/securable.py", line
>>>>>>>>>> > 79, in wrapper
>>>>>>>>>> >     return method(self, *args, **kwargs)
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sp.py", line 971, in attachSD
>>>>>>>>>> >     dom.acquireHostId(self.id)
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sd.py", line 790, in
>>>>>>>>>> acquireHostId
>>>>>>>>>> >     self._manifest.acquireHostId(hostId, async)
>>>>>>>>>> >   File "/usr/share/vdsm/storage/sd.py", line 449, in
>>>>>>>>>> acquireHostId
>>>>>>>>>> >     self._domainLock.acquireHostId(hostId, async)
>>>>>>>>>> >   File "/usr/lib/python2.7/site-packa
>>>>>>>>>> ges/vdsm/storage/clusterlock.py", line
>>>>>>>>>> > 297, in acquireHostId
>>>>>>>>>> >     raise se.AcquireHostIdFailure(self._sdUUID, e)
>>>>>>>>>> > AcquireHostIdFailure: Cannot acquire host id:
>>>>>>>>>> > (u'a5a6b0e7-fc3f-4838-8e26-c8b4d5e5e922', SanlockException(22,
>>>>>>>>>> 'Sanlock
>>>>>>>>>> > lockspace add failure', 'Invalid argument'))
>>>>>>>>>> > 2017-06-03 19:21:40,067+0200 ERROR (jsonrpc/2)
>>>>>>>>>> [storage.Dispatcher]
>>>>>>>>>> > {'status': {'message': "Cannot acquire host id:
>>>>>>>>>> > (u'a5a6b0e7-fc3f-4838-8e26-c8b4d5e5e922', SanlockException(22,
>>>>>>>>>> 'Sanlock
>>>>>>>>>> > lockspace add failure', 'Invalid argument'))", 'code': 661}}
>>>>>>>>>> (dispatcher:77)
>>>>>>>>>> >
>>>>>>>>>> > The gluster volume prepared for engine storage is online and no
>>>>>>>>>> split brain
>>>>>>>>>> > is reported. I don't understand what needs to be done to
>>>>>>>>>> overcome this. Any
>>>>>>>>>> > idea will be appreciated.
>>>>>>>>>> >
>>>>>>>>>> > Thank you,
>>>>>>>>>> > Alex
>>>>>>>>>> >
>>>>>>>>>> > _______________________________________________
>>>>>>>>>> > Users mailing list
>>>>>>>>>> > Users@ovirt.org
>>>>>>>>>> > http://lists.ovirt.org/mailman/listinfo/users
>>>>>>>>>> >
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Users mailing list
>>>>>>>> Users@ovirt.org
>>>>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Users mailing list
>>>>>> Users@ovirt.org
>>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>>
>>>>>>
>>>>>
>>>
>>
>

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