Atomic Test And Set Of Disk Block Returned False For Equality Instant

When the system reports that this operation "returned false for equality," it means the phase failed.

The host checks the current metadata of a disk block to see if it matches what it expects. When the system reports that this operation "returned

In traditional storage, locking a file required "SCSI Reservations," which locked an entire LUN (Logical Unit Number). This was inefficient. ATS allows for . Instead of locking the whole "parking lot," the system only locks a "single parking space" (a specific disk block). The process works like this: This was inefficient

The VMkernel logs will fill with ATS Miscompare or Status: Op: 0x89 messages. How to Troubleshoot and Fix The process works like this: The VMkernel logs

The host sent a command saying: "I want to lock this block. I expect the current owner ID to be 'X'." The storage array looked at the block, saw that the ID was actually 'Y', and replied: "False. The data is not what you expected." Common Causes