Hi Guys ,
I have two Fibre Channel LUN provision from VNX Storage Array Both are represented to the ESX host. But I am facing an issue in LUN expansion.
Previously this LUNs were under the protection of Recover Point: So I removed the Recover Point protection as per mentioned in blog . Refer URL http://vblog.matt-taylor.org/2010/10/24/resizing-luns-replicated-by-recoverpoint/. So now the recover point is out of picture.
Now I have increase the size of LUN on VNX Storage array . The LUNS was expanded but VMware ESX now cannot recognise the new free space.
Data store Devices
Data2 ds:///vmfs/volumes/50538a16-f1ad0570-5dec-0025b501a005/
Data4 ds:///vmfs/volumes/50e4daed-dab1e806-c6fd-0025b501a007/
After reviewing Vmkernal logs I found Warning for the devices mentioned below.
2013-01-31T23:56:45.141Z cpu37:7529680)WARNING: Vol3: 1605: Failed to refresh FS 50538a16-f1ad0570-5dec-0025b501a005 descriptor: No filesystem on the device
2013-01-31T23:56:45.232Z cpu27:7529680)WARNING: Vol3: 1605: Failed to refresh FS 50538a16-f1ad0570-5dec-0025b501a005 descriptor: No filesystem on the device
2013-01-31T23:56:45.140Z cpu37:7529680)WARNING: Vol3: 1605: Failed to refresh FS 5074848b-00e971f0-fb21-0025b501a005 descriptor: No filesystem on the device
2013-01-31T23:56:45.232Z cpu27:7529680)WARNING: Vol3: 1605: Failed to refresh FS 5074848b-00e971f0-fb21-0025b501a005 descriptor: No filesystem on the device
Observations
- There is no any performance issue are observed on this datastore. Virtual machines on this datastores are running with no issue.
- The message is clearly state that something is wrong with VMFS FS
- As per my observation this LUN were part of Recover point appliance, though we removed this datastore from Recover point appliance
- In the same ESX cluster I can able to extended other LUN which were not part of the recover point appliance
Questions :
- After reviewing the vmkearnal logs it seem to be that.. it is clearly something wrong with VMFS FS. So can we repair it rather than destroying LUN and re-create again ?
- What configuration of Recovery Point tampering the VMFS File structure on datastore ?