Cache is the DRAM based staging area used to provide higher performance to applications for reads and writes. During reads, the RAID controller tries to keep the latest and most often accessed data in the cache and also tries to pre-stage the cache with future data during sequential accesses. For writes, cache is used to provide delayed writes to the drives. This delays the parity calculations and drive writes during RAID 5 operations. More optimization and advanced staging algorithms thus provide better performance.

Read or write request for data that is already in cache. Therefore, a request can be serviced without needing to go to disk. Запрос в кэш Запрос на чтение или запись к данным, которые находятся в кэш памяти. Данный запрос может быть обработан без обращения к диску.

Allows for the simultaneous execution of two or more threads of code per processor generally providing better performance than previous generations of processors.

Гиперпоточность Возможность одновременного исполнения двух и более потоков кода на физическом процессоре. Технология позволяет достигать более высоких производительностей обработки данных.

ChipKill, or advanced ECC memory, is an IBM xSeries memory subsystem technology that increases memory reliability several times over, helping to reduce the chances of system downtime caused by memory failures.

Stands for Common Internet File System. An enhanced version of the SMB file-sharing protocol that allows groups of users to work together and share documents over the Internet in the same way as in local area networks.

Command Line Interface.

Командная строка.

See Chip multithreading technology.

См. Chip multithreading technology.

CPU/memory unit. Сокращение CPU/memory unit

Sequentially mapping blocks on disks to a logical device. Two or more extents can be concatenated and accessed as a single logical device. Add extents to an existing volume.

Каскадирование Последовательное назначение блоков диска логическому тому. Несколько или более блоков могут быть объединены в каскадное соединение и отданы серверам, как логический том.

The communications path used for system management information. Generally provided as an out-of-band connection over Ethernet.

A microprocessor based device which is dedicated to a specific task, esp. I/O and is embedded within a host-bus adapter or external (storage) array. The term “controller” is often used synonymously with host-bus adapter.

Pair of controller units servicing a particular tray or group of trays.

Контроллерная пара Пара контроллеров, которые работают с одной либо несколькими дисковыми полками.

A tray with one or more installed controller units.

The intelligence card that manages RAID functions and fail-over characteristics for an array or tray, or group of trays.

The process that Sun StorageTek Data Snapshot software uses to preserve point-in-time data when new data is written to disk. With each write, the system preserves the old data in snapshot reserve space, so that it can re-create the volume as it existed at the time of the snapshot.