SCSI Persistent Reservation (SCSI-PR) Support for Windows Server 2012 R2 Storage Spaces

SCSI Persistent Reservation (SCSI-PR) Support for Windows Server 2012 R2 Storage Spaces


SCSI Persistent Reservation (SCSI-PR) command support in disk firmware is a Microsoft failover clustering requirement. If Storage Spaces technology is being deployed in Windows failover cluster configuration then all the disk drives must implement SCSI-PR. SCSI-PR compliant firmware is available at https://support.dell.com for many disk drives shipped in the past.

See the following table for the list of Dell HDD/SSD part numbers and the minimum firmware levels that have SCSI Persistent Reservation (SCSI-PR) support.

PR Drive Support 2_5_2014.xlsx




Article ID: SLN310877

Last Date Modified: 08/14/2018 01:08 AM


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