Atomic Test And Set Of Disk Block Returned False For Equality 【Complete | Overview】

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

The error occurs when the ESXi host attempts to update a block but finds that the existing data on that block does not match what it expected (the "test" part of "test and set" failed). This typically signifies a lock contention mismatch in state between the host and the storage array. Broadcom support portal Common Causes Performance issues with VM operations The host sent a command saying: "I want to lock this block

, a technical standoff between your ESXi host and your storage array that can lead to datastore disconnects, VM crashes, and major performance degradations. What is Atomic Test and Set (ATS)? This typically signifies a lock contention mismatch in

When applying Atomic Test-and-Set to a "disk block," the scenario typically falls into one of two architectural patterns: When applying Atomic Test-and-Set to a "disk block,"