Adaptec has announced the immediate availability of a Series 5Z Unified Serial (SATA/SAS) RAID controller family with "Zero Maintenance Cache Protection." It's designed to replace the current generation of RAID controllers that use lithium ion batteries to protect data in cache memory.
This announcement is significant for two reasons. First, its shows the expanding role of NAND flash. Recently, NAND flash has been associated with the second coming of solid state disk (SSD) in enterprise disk arrays. In spite of reliability issues (the more flash memory is written to, the less reliable it becomes over time), … Read more