Huawei OceanStor N8500 T Series Installation Manual page 363

OceanStor N8500 Clustered NAS Storage System
Installation Guide (for T Series V100R005)
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Cascade
CIFS
Cluster
Clustered NAS
Engine
Clustered NAS
Engine Node
Coffer
Coffer disk
Connected LUN
Consistency check LUN consistency check is an advanced maintenance function of the
Constant prefetch A cache prefetch strategy. The size of the data to be prefetched is the
Controller
enclosure
Conversion board A circuit board in the OceanStor storage system for the conversion of
Create RAID
group
Created
Issue 02 (2015-09-22)
The function that devices send the detected critical events, such as faults,
to maintenance engineers through an email or a short message.
Connect the OceanStor N8500 clustered NAS storage system to more
disk enclosures through connection cables, thus expanding the capacity
of the N8500 clustered NAS storage system.
(Common Internet File System), A network file sharing protocol which
is usually used in Windows environment.
A mechanism adopted to improve the system performance. Several
devices of the same type form a cluster. The exterior of a cluster is some
like a kind of equipment. In the interior of a cluster, the nodes share the
load.
The cluster is used to offer out NAS service.
The unit of clustered NAS engine, really offer NAS service.
A technology for ensuring data security and integrity in the
OceanStorN8500 storage system. The hard disks in slots 0 to 3 serving
as coffers, which store system configuration data, data of alarm logs,
and the data in the cache that is not written to the disk when the system
power is off for emergency and alarm log data.
Physical storage media. It refers to the hard disks in slots 0 to 3 of the
controller enclosure.
Logically consecutive LUNs are connected through connecting
multiple LUN space.
controller. Through the consistency check, the controller can check the
consistency of data on arrays in advance, that is, the validity and
integrity of data.
size as set. This strategy applies to the applications that require reading
data of a fixed size in a certain order. An example is the streaming media
demanded by multiple subscribers who use the same bit rate.
It is the core component of the OceanStor storage system, and is mainly
responsible for the storage service. A controller enclosure consists of
the controller, hard disk, interface card, power entry module (PEM)/fan
module, battery, and dual in-line package (DIP) switch board.
disks ports.
To organize free disks into a RAID group with a certain RAID level.
The status of LUN copy. The status of creating a LUN copy and yet not
starting a coper copy.
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