Oceanstor 5500 V300R001C20 installed VMware VM happened the datastore offline issue when migration the VM

Publication Date:  2016-03-08 Views:  453 Downloads:  0
Issue Description

Topology:

THe E9000 connected with Oceanstor 5500 V3 storage array and the storage resource had been mapped into E9000 blade.the OS in blade is ESXI 6.0.

Issue:

when custoemr want to migrate one VM thta the migration interrupted.the datastore status is offline in VM.


Alarm Information

There is no alarm on Oceanstor 5500 V3 and E9000.

Handling Process

1: ask customer to collect the E9000 logs and storage logs to analyzed.

From the E9000 logs, we founs many information reported as below with red marked, that means the FC link status is not stable.

2: From storage logs, we found some back bad error reported.this error means the iSCSI has some problem.

3: checked the disk information, we found the disk sector is 4K.there is compatibility is between Oceanstor 5500 V3R1C20 and 4K disk.

http://support.huawei.com/enterprise/product/images/8a0ba93bfe6840a89d3bf87ae0d82a90

Root Cause

root cause:

this site that customer equiped 4K disk in storage Oceastor 5500 V3R1C20. that storage version has a compatibility issue. it will result this issue, please check the detailed information as below:


Solution

solution:

1, install patch V300R001C20SPH001

2, Recovery fault page:

Force to flash all LUNs. Developer:/> change lun_fault_page recover lun_id_list=*

cid:image010.png@01D16039.A636D9F0

Please run this command for every 4K disk LUNs then issue can be solved.

 

Suggestions
NA

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