On 2/10/20 11:09 AM, Amit Bawer wrote:
> compared it with host having nfs domain working
> this
>
> On Mon, Feb 10, 2020 at 11:11 AM Jorick Astrego <jor...@netbulae.eu
> <mailto:jor...@netbulae.eu>> wrote:
>
>
> On 2/9/20 10:27 AM, Amit Bawer wrote:
>>
>>
>> On Thu, Feb 6, 2020 at 11:07 AM Jorick Astrego
>> <jor...@netbulae.eu <mailto:jor...@netbulae.eu>> wrote:
>>
>> Hi,
>>
>> Something weird is going on with our ovirt node 4.3.8 install
>> mounting a nfs share.
>>
>> We have a NFS domain for a couple of backup disks and we have
>> a couple of 4.2 nodes connected to it.
>>
>> Now I'm adding a fresh cluster of 4.3.8 nodes and the
>> backupnfs mount doesn't work.
>>
>> (annoying you cannot copy the text from the events view)
>>
>> The domain is up and working
>>
>> ID:f5d2f7c6-093f-46d6-a844-224d92db5ef9
>> Size:10238 GiB
>> Available:2491 GiB
>> Used:7747 GiB
>> Allocated:3302 GiB
>> Over Allocation Ratio:37%
>> Images:7
>> Path:*.*.*.*:/data/ovirt
>> NFS Version:AUTO
>> Warning Low Space Indicator:10% (1023 GiB)
>> Critical Space Action Blocker:5 GiB
>>
>> But somehow the node appears to thin thinks it's an LVM
>> volume? It tries to find the VGs volume group but fails...
>> which is not so strange as it is an NFS volume:
>>
>> 2020-02-05 14:17:54,190+0000 WARN (monitor/f5d2f7c)
>> [storage.LVM] Reloading VGs failed
>> (vgs=[u'f5d2f7c6-093f-46d6-a844-224d92db5ef9'] rc=5
>> out=[] err=[' Volume group
>> "f5d2f7c6-093f-46d6-a844-224d92db5ef9" not found', '
>> Cannot process volume group
>> f5d2f7c6-093f-46d6-a844-224d92db5ef9']) (lvm:470)
>> 2020-02-05 14:17:54,201+0000 ERROR (monitor/f5d2f7c)
>> [storage.Monitor] Setting up monitor for
>> f5d2f7c6-093f-46d6-a844-224d92db5ef9 failed (monitor:330)
>> Traceback (most recent call last):
>> File
>> "/usr/lib/python2.7/site-packages/vdsm/storage/monitor.py",
>> line 327, in _setupLoop
>> self._setupMonitor()
>> File
>> "/usr/lib/python2.7/site-packages/vdsm/storage/monitor.py",
>> line 349, in _setupMonitor
>> self._produceDomain()
>> File "/usr/lib/python2.7/site-packages/vdsm/utils.py",
>> line 159, in wrapper
>> value = meth(self, *a, **kw)
>> File
>> "/usr/lib/python2.7/site-packages/vdsm/storage/monitor.py",
>> line 367, in _produceDomain
>> self.domain = sdCache.produce(self.sdUUID)
>> File
>> "/usr/lib/python2.7/site-packages/vdsm/storage/sdc.py",
>> line 110, in produce
>> domain.getRealDomain()
>> File
>> "/usr/lib/python2.7/site-packages/vdsm/storage/sdc.py",
>> line 51, in getRealDomain
>> return self._cache._realProduce(self._sdUUID)
>> File
>> "/usr/lib/python2.7/site-packages/vdsm/storage/sdc.py",
>> line 134, in _realProduce
>> domain = self._findDomain(sdUUID)
>> File
>> "/usr/lib/python2.7/site-packages/vdsm/storage/sdc.py",
>> line 151, in _findDomain
>> return findMethod(sdUUID)
>> File
>> "/usr/lib/python2.7/site-packages/vdsm/storage/sdc.py",
>> line 176, in _findUnfetchedDomain
>> raise se.StorageDomainDoesNotExist(sdUUID)
>> StorageDomainDoesNotExist: Storage domain does not exist:
>> (u'f5d2f7c6-093f-46d6-a844-224d92db5ef9',)
>>
>> The volume is actually mounted fine on the node:
>>
>> On NFS server
>>
>> Feb 5 15:47:09 back1en rpc.mountd[4899]: authenticated
>> mount request from *.*.*.*:673 for /data/ovirt (/data/ovirt)
>>
>> On the host
>>
>> mount|grep nfs
>>
>> *.*.*.*:/data/ovirt on
>> /rhev/data-center/mnt/*.*.*.*:_data_ovirt type nfs
>>
>> (rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,soft,nolock,nosharecache,proto=tcp,timeo=600,retrans=6,sec=sys,mountaddr=*.*.*.*,mountvers=3,mountport=20048,mountproto=udp,local_lock=all,addr=*.*.*.*)
>>
>> And I can see the files:
>>
>> ls -alrt /rhev/data-center/mnt/*.*.*.*:_data_ovirt
>> total 4
>> drwxr-xr-x. 5 vdsm kvm 61 Oct 26 2016
>> 1ed0a635-67ee-4255-aad9-b70822350706
>>
>>
>> What ls -lart for 1ed0a635-67ee-4255-aad9-b70822350706 is showing?
>
> ls -arlt 1ed0a635-67ee-4255-aad9-b70822350706/
> total 4
> drwxr-xr-x. 2 vdsm kvm 93 Oct 26 2016 dom_md
> drwxr-xr-x. 5 vdsm kvm 61 Oct 26 2016 .
> drwxr-xr-x. 4 vdsm kvm 40 Oct 26 2016 master
> drwxr-xr-x. 5 vdsm kvm 4096 Oct 26 2016 images
> drwxrwxrwx. 3 root root 86 Feb 5 14:37 ..
>
> On a working nfs domain host we have following storage hierarchy,
> feece142-9e8d-42dc-9873-d154f60d0aac is the nfs domain in my case
>
> /rhev/data-center/
> ├── edefe626-3ada-11ea-9877-525400b37767
> ...
> │ ├── feece142-9e8d-42dc-9873-d154f60d0aac ->
> /rhev/data-center/mnt/10.35.18.45:_exports_data/feece142-9e8d-42dc-9873-d154f60d0aac
> │ └── mastersd ->
> /rhev/data-center/mnt/blockSD/a6a14714-6eaa-4054-9503-0ea3fcc38531
> └── mnt
> ├── 10.35.18.45:_exports_data
> │ └── feece142-9e8d-42dc-9873-d154f60d0aac
> │ ├── dom_md
> │ │ ├── ids
> │ │ ├── inbox
> │ │ ├── leases
> │ │ ├── metadata
> │ │ ├── outbox
> │ │ └── xleases
> │ └── images
> │ ├── 915e6f45-ea13-428c-aab2-fb27798668e5
> │ │ ├── b83843d7-4c5a-4872-87a4-d0fe27a2c3d2
> │ │ ├── b83843d7-4c5a-4872-87a4-d0fe27a2c3d2.lease
> │ │ └── b83843d7-4c5a-4872-87a4-d0fe27a2c3d2.meta
> │ ├── b3be4748-6e18-43c2-84fb-a2909d8ee2d6
> │ │ ├── ac46e91d-6a50-4893-92c8-2693c192fbc8
> │ │ ├── ac46e91d-6a50-4893-92c8-2693c192fbc8.lease
> │ │ └── ac46e91d-6a50-4893-92c8-2693c192fbc8.meta
> │ ├── b9edd81a-06b0-421c-85a3-f6618c05b25a
> │ │ ├── 9b9e1d3d-fc89-4c08-87b6-557b17a4b5dd
> │ │ ├── 9b9e1d3d-fc89-4c08-87b6-557b17a4b5dd.lease
> │ │ └── 9b9e1d3d-fc89-4c08-87b6-557b17a4b5dd.meta
> │ ├── f88a6f36-fcb2-413c-8fd6-c2b090321542
> │ │ ├── d8f8b2d7-7232-4feb-bce4-dbf0d37dba9b
> │ │ ├── d8f8b2d7-7232-4feb-bce4-dbf0d37dba9b.lease
> │ │ └── d8f8b2d7-7232-4feb-bce4-dbf0d37dba9b.meta
> │ └── fe59753e-f3b5-4840-8d1d-31c49c2448f0
> │ ├── ad0107bc-46d2-4977-b6c3-082adbf3083d
> │ ├── ad0107bc-46d2-4977-b6c3-082adbf3083d.lease
> │ └── ad0107bc-46d2-4977-b6c3-082adbf3083d.meta
>
> Maybe I got confused by your ls command output, but I was looking to
> see how the dir tree for your nfs domain looks like
> which should be rooted under /rhev/data-center/mnt/<nfs
> server>:<exported path>
>
> In your output, only 1ed0a635-67ee-4255-aad9-b70822350706 is there
> which is not the nfs domain f5d2f7c6-093f-46d6-a844-224d92db5ef9 at
> question.
>
> So to begin with, there is a need to figure why in your case the
> f5d2f7c6-093f-46d6-a844-224d92db5ef9 folder is not to be found on the
> nfs storage mounted on that node,
> which should be there as far as I understood since this is the same
> nfs mount path and server shared between all hosts which are connected
> to this SD.
>
> Maybe compare the mount options between the working nodes to the
> non-working node and check the export options on the nfs server
> itself, maybe it has some specific client ip exports settings?
Hmm, I didn't notice that.
I did a check on the NFS server and I found the
"1ed0a635-67ee-4255-aad9-b70822350706" in the exportdom path
(/data/exportdom).
This was an old NFS export domain that has been deleted for a while now.
I remember finding somewhere an issue with old domains still being
active after removal but I cannot find it now.
I unexported the directory on the nfs server and now I have to correct
mount and it activates fine.
Thanks!
Met vriendelijke groet, With kind regards,
Jorick Astrego
Netbulae Virtualization Experts
----------------
Tel: 053 20 30 270 i...@netbulae.eu Staalsteden 4-3A
KvK 08198180
Fax: 053 20 30 271 www.netbulae.eu 7547 TA Enschede
BTW NL821234584B01
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