Hi,
for some reasons, ESXi servers lost connection to datastore.
Datastore located on MD3200 connected via SAS adapters.
Some logs info:
/vmfs/devices/disks/naa.6f01faf000e927eb0000064654643e88
gpt
801855 255 63 12881814528
1 2048 12881813503 AA31E02A400F11DB9590000C2911D1B8 vmfs 0
Checking offset found at 2048:
0200000 d00d c001
0200004
*
1400000
0140001d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
~ # voma -m vmfs -f check -d /vmfs/devices/disks/naa.6f01faf000e927eb0000064654643e88:1
Checking if device is actively used by other hosts
Running VMFS Checker version 1.0 in check mode
Initializing LVM metadata, Basic Checks will be done
Phase 1: Checking VMFS header and resource files
ERROR: Missing VMFS magic. Not a VMFS volume
VOMA failed to check device : Not a VMFS volume
Total Errors Found: 0
VMFS Header dump first 1536 MB: