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Dell POWEREDGE R710 User Manual

Page 13

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management station

A system used to remotely manage one or more managed systems from a central location.

Manual Replay

A Dell Compellent Storage Center feature that allows the user to manually create point in
time copies of volumes.

manual transfer
replication

Replication done through transportable media instead of over a network. Used in cases
where the network link between replication partners is too slow or otherwise unsuitable for
transferring large amounts of data.

Manual Transfer Utility A stand-alone utility from Dell EqualLogic that performs volume replication using

transportable media, instead of the network. The utility has both graphical and command line
user interfaces.

Media Access Control
address (MAC address)

Your system's unique hardware number on a network.

migrate volume

A Dell Compellent Storage Center command to move data from one volume to another.

migration

In the context of EKM, combining a keystore into an existing keystore during (not after) Dell
Encryption Key Manager 3.0 installation.

mirror volume

A Dell Compellent Storage Center command to replicate a local volume onto a remote Dell
Compellent Storage Center and maintain updates between the local and remote volumes
until the mirror is manually broken.

mirroring

A type of data redundancy in which a set of physical drives stores data and one or more sets
of additional drives stores duplicate copies of the data. Mirroring functionality is provided by
software. See striping, RAID.

NAS

See Network-Attached Storage.

network connection

An object that defines a persona's and VMRack's required network connectivity. A network
connection is created as the result of adding elements to a network, for example when you
add a persona to a network.

Network-Attached
Storage (NAS)

NAS is one of the concepts used for implementing shared storage on a network. NAS
systems have their own operating systems, integrated hardware, and software that are
optimized to serve specific storage needs.

NTP

The Network Time Protocol (NTP) is a protocol for synchronizing the clocks of computer
systems over packet-switched, variable-latency data networks.

Oversubscribed space

In a SAN that supports thin provisioning, the amount of storage space that is configured as
available but not physically present (i.e., configured space minus available space).

parity stripe

In RAID arrays, a striped hard drive containing parity data.

partition

A physical section of a hard drive created using the fdisk command. Partitions can then be
divided into multiple logical drives using the format command.

passive Controller

The Dell AIM Controller that acts as a hot standby, ready to take over managing the
environment if the active Controller fails.

Peer Controller

In a dual-controller Dell Compellent Storage Center, the peer controller shares the I/O load
with the leader controller but does not perform external management functions. If the leader
controller fails, the peer controller assumes the I/O and management duties of both
controllers. See Leader Controller.

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