Data store can be seen from a host, and then disappeared...

I had a store of data on LUN 2 point.  Two GB 425 our EMC SAN LUNS have been used and it worked well on one of our ESX host.  We had not realised the rest of the armed forces had not resumed the data store.  I tried a new analysis on all hosts without success, the data store would simply not appear.  All the guests could see the LUNS, but with the same identifier.  Resignaturing disc is already enabled as these hosts also replicated LUN mount so I had to the potential problem of LUN ID set match to discount.  I checked the presentation of storage, fiber channel, zoning, everything was OK.  So I turned off the virtual machine and decided to anyone two LUNS to the Group of storage and the re - present but things only got worse...

The data store has now completely disappeared.

I was wondering if anyone else had encountered / solve such a problem?  I did a search on the community and the knowledge base and could not find anything to help me.

I run fdisk and checked the Lun, but I'm stuck now.  My next step will be to log a call of support with VMWare...  Fortunately, it's on our DR site ESX host, but now I lost just a SQL database more than 600 GB in size...

Disk vmhba1:1:0/dev/sdq (435200 MB) has 4 lanes and more recently used strategy

FC 13:0.0 2100001b328500a5 & lt;-& gt; 500601693ce03346 vmhba1:1:0 favorite standby

FC 13:0.0 2100001b328500a5 & lt;-& gt; 500601603ce03346 vmhba1:0:0 On assets

FC 13:0.1 2101001b32a500a5 & lt;-& gt; 500601613ce03346 vmhba2:0:0 On

FC 13:0.1 2101001b32a500a5 & lt;-& gt; 500601683ce03346 vmhba2:1:0 watch

Disk vmhba1:0:5/dev/sdf (435200 MB) has 4 lanes and more recently used strategy

FC 13:0.0 2100001b328500a5 & lt;-& gt; 500601603ce03346 vmhba1:0:5 on favorite assets

FC 13:0.0 2100001b328500a5 & lt;-& gt; 500601693ce03346 vmhba1:1:5 watch

FC 13:0.1 2101001b32a500a5 & lt;-& gt; 500601613ce03346 vmhba2:0:5 on

FC 13:0.1 2101001b32a500a5 & lt;-& gt; 500601683ce03346 vmhba2:1:5 watch

Disk/dev/sdq: 456,3 GB, 456340275200 bytes

255 heads, 63 sectors/track, 55480 cylinders, total of 891289600 areas

Units is 1 * 512 sectors is 512 bytes

Device boot start end blocks Id system

/ dev/sdq1 128 891286199 445643036 unknown fb

Disk/dev/sdf: 456,3 GB, 456340275200 bytes

255 heads, 63 sectors/track, 55480 cylinders, total of 891289600 areas

Units is 1 * 512 sectors is 512 bytes

Device boot start end blocks Id system

/ dev/SDF1 128 891286199 445643036 unknown fb

See you soon,.

Dave

PS. This morning I had the upgrade, one of the hosts in the cluster to 4 upgrade with the latest security patches and executing tests is when I found I couldn't vmotion prompt on any other host, and then realized the missing data on other host store.  All other hosts are 2 update, but I don't think this is related.

Gracias thank you and Marcelo vmw-sfraser,.

I have placed a request for assistance with VMWare and see how I'm going.  I noted that the mistake so when I saw the exit and thought that it would be likely that I have to log a call.

See you soon,.

Dave

Tags: VMware

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