Operating System Software User Manual

3PAR InForm Management Console 4.1.0 User’s Guide
468 320-200231 Rev A
promote: For physical copies: to break the association between a physical copy and a base
volume by changing the physical copy into an independent base volume. For virtual
copies: to copy the changes from a virtual copy back onto the base volume,
therefore overwriting the base volume with the virtual copy.
R
RAID 0 set: Striped rows of chunklets on two or more physical disks. A RAID 0 set offers
no data redundancy.
RAID 10 (RAID 1) set: A group of mirrored chunklets.
RAID 50 (RAID 5) set: A group of parity-protected chunklets. Also known as a parity set.
RAID set: A grouping of mirrored or parity-protected chunklets.
RCFC: Remote Copy over Fibre Channel. The use of 3PAR Remote Copy with two storage
servers that are connected via Fibre Channel ports. See also 3PAR Remote Copy.
RCIP: Remote Copy over IP. The use of 3PAR Remote Copy with two storage servers that
are connected via Ethernet ports. See also 3PAR Remote Copy.
registered state change notification (RSCN): A Fibre Channel switch function that
allows notification to registered nodes if a change occurs to other specified nodes.
Remote Copy links: The method by which information is sent and received between
Remote Copy targets.
Remote Copy pair: The pair of storage servers on which Remote Copy operations are
performed.
Remote Copy target: The description of a Remote Copy system on one server in the
Remote Copy pair. Each server in a Remote Copy pair must have a target definition
for the other server.
Remote Copy volume group: A group of virtual volumes that are logically related and for
which there is a cross-volume ordering or writes.
resynch, resynchronize: To copy changes from one volume in a physical copy pair to the
other because that volume was modified at some point after the physical copy
operation took place. See also physical copy.
row: A grouping of RAID sets. Data is striped across the rows of RAID 10 and RAID 50
logical disks.
row size: The number of sets in a row. A row is a grouping of RAID sets. Data is striped
across the rows of RAID 10 and RAID 50 logical disks.
RSCN: See registered state change notification.
S
SCSI reservation/registration: Allows multiple hosts to share a SCSI interface to access
exported volumes. Multiple hosts can have registrations to a single volume, but only
one host can have the reservation.
secondary volume group: In Remote Copy, the set of copied volumes on the storage
server.
set: See set size.