Thanks for the feedback.
VMWare support did come across these entries in the vmkernel log for the lun in question, on the day the issue was noticed. I'm waiting for feedback from my storage admin on what the cause might be for this. Any thoughts on these entries?
vmkernel: the error "Device expanded" has been found 152 times, latest occurrence (display 3 only):
2017-10-24T16:23:48.038Z cpu20:90123)LVM: 4014: [naa.60000970000197800628533030333238:1] Device expanded (actual size 1048575199 blocks, stored size 1048573952 blocks)
2017-10-24T16:23:48.055Z cpu20:90123)LVM: 4014: [naa.60000970000197800628533030333238:1] Device expanded (actual size 1048575199 blocks, stored size 1048573952 blocks)
2017-10-24T16:23:48.057Z cpu20:90123)LVM: 4014: [naa.60000970000197800628533030333238:1] Device expanded (actual size 1048575199 blocks, stored size 1048573952 blocks)
