First, ignore "disk block." Think about a hotel room keycard. The front desk does a when you check in:
If you are seeing this error in your logs, consider these steps from industry guides: First, ignore "disk block
: If another host has modified that same block, or if extreme latency caused a previous update to be delayed/retried, the "test" part of the command fails because the current disk image differs from the host's in-memory image. We say: "I will write my data to
In databases, we do this to claim a log entry, elect a leader, or write a mutation. We say: "I will write my data to Block 500 only if Block 500 currently contains all zeros." elect a leader
The power outage caused two nodes to believe they owned the same disk block region (split-brain). The DLM’s internal block version counter had reverted to 0 on one node after unclean shutdown.
T##:##Z cpu2:#######)ScsiDeviceIO: 4167: Cmd(0x45d90f0d4e48) 0x89, CmdSN 0x2163b3 from world 2101333 to dev "naa..################ Broadcom support portal