What is SCSI – 3 Persistent Reservation

In my previous post, VMFS 5/6 and VMFS locking, I discussed characteristics of both VMFS versions along with upgrade possibilities and VMFS locking mechanisms. Why am I talking about it then? Well, the reason is that, topic of this post, SCSI - 3 Persistent Reservation is an extension of our discussion on SCSI-2 Reservations from … Continue reading What is SCSI – 3 Persistent Reservation →

VMFS 5/6 and VMFS locking

We will discuss about VMFS filesystem and VMFS locking mechanisms in this post along with VMFS 5 and VMFS 6 characteristics in vSphere 7. Also we will discuss VMFS upgrade possibilities from VMFS 5 to VMFS 6. VMFS 5 VMFS 5 and 6 do share most of the characteristics except few like sub block sizes,drives. … Continue reading VMFS 5/6 and VMFS locking →