Patent ID: 11874740
Assignee: DELL PRODUCTS L.P.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 16:
17. The non-transitory computer readable medium of claim 16, wherein the first processing includes the first data storage system not sending any TTL requests to the second data storage system, which is the preferred data storage system, and wherein the trigger condition includes failure to replicate writes of the stretched volume from the first data storage system to the second data storage system or expiration of the TTL granted to the first data storage system, and wherein the method further includes:
responsive to detecting an occurrence of the trigger condition, triggering second polarization processing for the second data storage system, wherein said second polarization processing includes:
determining that the second data storage system is not unhealthy;
sending a second request to the witness requesting that the second data storage system be declared the polarization winner; and
responsive to said second request, receiving a second response from the witness, wherein the second response indicates whether the second data storage system is the polarization winner or the polarization loser that is evicted from the cluster and rejects I/Os.