HP XP20000/XP24000 Configuratiehandleiding - Pagina 34

Blader online of download pdf Configuratiehandleiding voor {categorie_naam} HP XP20000/XP24000. HP XP20000/XP24000 40 pagina's. Hp storageworks xp disk array configuration guide: vmware (a5951-96106, september 2010)
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HP XP20000/XP24000 Configuratiehandleiding

OPEN-E). The number of resulting LDEVs depends on the selected emulation

mode. The term LDEV is often used synonymously with the term volume.

LUN

Logical unit number. A LUN results from mapping a SCSI logical unit number,

port ID, and LDEV ID to a RAID group. The size of the LUN is determined by the

emulation mode of the LDEV and the number of LDEVs associated with the LUN.

For example, a LUN associated with two OPEN-3 LDEVs has a size of 4,693

MB.

LUSE

A LUN is normally associated with only a single LDEV. The LUSE feature allows

a LUN to be associated with 1 to 36 LDEVs. Essentially, LUSE makes it possible

for applications to access a single large pool of storage. The LUSE feature is

available when the XP Array Manager product is installed.

OFC

Open Fibre Control.

OPEN- x

A general term describing any one of the supported OPEN emulation modes (for

example, OPEN-E. There are two types of OPEN-x devices: legacy OPEN-x

devices with a fixed size (such as, OPEN-3, OPEN-8, OPEN-9, OPEN-E), and

OPEN-V, which has a variable size and is a CVS-based volume.

Physical address.

path

"Path" and "LUN" are synonymous. Paths are created by associating a port and

a LUN ID with an LDEV.

port

A physical connection that allows data to pass between a host and the disk

array. The number of ports on an XP disk array depends on the number of

supported I/O slots and the number of ports available per I/O adapter. The XP

family of disk arrays supports Fibre Channel (FC) ports as well as other port

types. Ports are named by port group and port letter, such as CL1-A. CL1 is the

group, and A is the port letter.

RAID

Redundant array of independent disks.

R-SIM

Remote service information message.

SCSI

Small computer system interface.

SIM

Service information message.

SNMP

Simple Network Management Protocol.

SVP

Service processor, which is the PC built into the disk array. The SVP provides a

direct interface into the disk array. SVP use is reserved for HP support

representatives only.

SVS

Storage Virtualization System, an appliance that manages multiple disk array

storage systems.

TID

Target ID.

Volume

On the XP array, a volume is a uniquely identified virtual storage device

composed of a control unit (CU) component and a logical device (LDEV)

component separated by a colon. For example 00:00 and 01:00 are two

uniquely identified volumes; one is identified as CU = 00 and LDEV = 00, and

the other as CU = 01 and LDEV = 00; they are two unique separate virtual

storage devices within the XP array.

Glossary