Replication
Replication – The copying at a block level of data in a source volume or file system to a target system. When first set up there is an initial...
RDIMM
RDIMM - Registered Dual Inline Memory Module. Unlike a standard (unbuffered) DIMM the RDIMM features a a hardware register that buffers the DIMM control signals but not the application...
RDMA over IP
RDMA over IP– Remote direct memory access using IP across a network. When data is requested or sent an RDMA protocol is used between the two networked devices, but...
RDMA
RDMA – Remote Direct Memory Access. A technique to load data directly into the memory of a remote device without transiting the source or destination device’s storage IO system....
RBOF
RBOF - RAID Bunch of Flash - a JBOF (Just a Bunch of Flash) with a RAID controller for drive protection.
RAS
RAS – Reliability, Availability, Serviceability. Reliability means the ability of a computer hardware or software item to perform according to its specifications. Availability is the ratio of time a...
RAS
RAS – Reliability, Availability, Serviceability. Reliability means the ability of a computer hardware or software item to perform according to its specifications. Availability is the ratio of time a...
Ransomware
Ransomware – Malicious code used by hackers to penetrate an organisation’s IT network, find its storage and then encrypt stored data. The victim organisation is them told to pay...
RAIL
RAIL – Redundant Arrays of Independent Libraries – a tape library architecture. RAIL provides parallel access to multiple tape libraries that can be geo-distributed, and have high availability and...
RAID
RAID – Redundant Array of Inexpensive Disks. Disk drives can fail, in which case their data contents are lost. RAID is a way of countering this by combining disk...
QLC
QLC - Quad Level Cell - a form of NAND cell organisation with 4 bits per cell. See MLC entry.
pNFS
pNFS – Parallel NFS. See NFS entry.