ESXi 4 lost LUN... Help!

All of a sudden both my ESXi lost connection to one of SAN storage.

All the VMS on this SAN become inaccessible. The virtual machine appears to be turned on, but hard drives are lost.

It seems that only this storage LUN is missing.

Vsphere-> Config-> storage I no longer see that LUN (S02DS05), but the other unit logic on this SAN number is still there and functioning.

The LUN appears on the ESXi when I do ls-l/vmfs/volumes that I get in the list with all the other LUNS:

root drwxr-xr-x 1 root 8 1 January 1970 b-b665783fa67d 1bd3ca79-a92d52ae-679

drwxr-xr-t 1 root root 1120 6 Feb 19:16 4a927f4d-662f02c7 - 1 c 45-001018564cdc

drwxr-xr-t 1 root root 2380 7 Feb 12:35 4a927f93-024f133a-d624-001018564cdc

drwxr-xr-t 1 root root 2520 Dec 29 20:02 4a927fd0-6c6cc79a-490-c-001018564cdc

drwxr-xr-t 1 root root 1540 Feb 9 06:03 4a93ddea - 157C 2948-55 c 1-001018564cdc

root drwxr-xr-x 1 root 8 1 January 1970 4aa505c5-adb24296-8bc5-0024e87635da

root drwxr-xr-t 1 root 7 980 Sep 13:08 4aa505d6-10868926-7732-0024e87635da

root drwxr-xr-x 1 root 8 1 January 1970 50ce1573-fd9ff22f - 099 b-0bbeede6c61e

l----


0 root root 1984 1 January 1970 External01 (1)-> d4c0c593-bb854445

l----


0 root root 1984 1 January 1970 Hypervisor1-> 1bd3ca79-a92d52ae-679-b-b665783fa67d

l----


0 root root 1984 1 January 1970 Hypervisor2-> 50ce1573-fd9ff22f - 099 b-0bbeede6c61e

l----


0 root root 1984 1 January 1970 Hypervisor3-> efd8efe3-03bc1cbf-15e0-080efd9e7379

l----


0 root root 1984 1 January 1970 Local-> 4aa505d6-10868926-7732-0024e87635da

l----


0 root root 1984 1 January 1970 S01DS02-> 4a927f4d-662f02c7 - 1 c 45-001018564cdc

l----


0 root root 1984 1 January 1970 S01DS03-> 4a927f93-024f133a-d624-001018564cdc

l----


0 root root 1984 1 January 1970 S01DS04-> 4a927fd0-6c6cc79a-490-c-001018564cdc

l----


0 root root 1984 Jan 1 1970 S01NFS01-1--> db3a1c08 - 9120861 b

l----


0 root root 1984 1 January 1970 S02DS05-> 4a93ddc2-7e3dcff0-dea7-001018564cdc

l----


0 root root 1984 1 January 1970 S02DS06-> 4a93ddea - 157C 2948-55 c 1-001018564cdc

l----


0 root root 1984 1 January 1970 S02NFS01-> fdce5791-7564eac1

drwxrwxrwx 1 root users 4096 7 Feb 08:45 db3a1c08 - 9120861b

root drwxr-xr-x 1 root 8 1 January 1970 efd8efe3-03bc1cbf-15e0-080efd9e7379

drwxrwxrwx 1 root users 4096 Nov 6 20:41 fdce5791-7564eac1

But I can't see the content:

ls-l S02DS05.

LS: S02DS05 /: wrong address

The unpacking shows waaaay to many things and I can't even begin to locate the problem.

I tried a new analysis and he finds the logic unit number but it wants to format.

How do I browse this LUN and extract confidential data?

How can I re - register the LUN without formatting?

Help...

Hello

the LVM Options are moved in the Add Storage Wizard in vSphere, as described above.

When your ESX host is unable to read from the lun, he could not mount your data store.

Either open an SR with EMC to verify if the storage array doesn't have a problem that correctly represents the logical unit number.

Additional option would be to use vmkfstools to perform a lunreset or a breaklock operation.

I hope this helps a little.

Greetings from the Germany. (CET)

Tags: VMware

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