HP XP20000/XP24000 Manual de configuração - Página 12

Procurar online ou descarregar pdf Manual de configuração para Interruptor HP XP20000/XP24000. HP XP20000/XP24000 46 páginas. Hp storageworks xp disk array configuration guide: vmware (a5951-96106, september 2010)
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Device emulation types

The XP family of disk arrays supports these device emulation types:

•

OPEN-x devices: OPEN-x logical units represent disk devices. Except for OPEN-V, these devices

are based on fixed sizes. OPEN-V is a user-defined size based on a CVS device. Supported

emulations include OPEN-3, OPEN-8, OPEN-9, OPEN-E, OPEN-L, and OPEN-V devices.

•

LUSE devices (OPEN-x*n): Logical Unit Size Expansion (LUSE) devices combine 2 to 36 OPEN-x

devices to create expanded LDEVs larger than standard OPEN-x disk devices. For example, an

OPEN-x LUSE volume created from ten OPEN-x volumes is designated as OPEN-x*10.

CVS devices (OPEN-x CVS): Volume Size Configuration (VSC) defines custom volumes (CVS) that

•

are smaller than normal fixed-sized logical disk devices (volumes). OPEN-V is a CVS-based custom

disk size that you determine. OPEN-L does not support CVS. Although OPEN-V is a CVS-based

device, the product name in the SCSI inquiry string is OPEN-V opposed to the fixed size

OPEN-[389E] devices that appear as OPEN-x-CVS.

•

LUSE (expanded) CVS devices (OPEN-x*n CVS): LUSE CVS combines CVS devices to create an

expanded device. This is done by first creating CVS custom-sized devices and then using LUSE to

combine from 2 to 36 CVS devices. For example, if three OPEN-9 CVS volumes are combined to

create an expanded device, this device is designated as OPEN-9*3-CVS. OPEN-V devices are

designated as OPEN-V*n (without CVS).

NOTE:

For the XP24000/XP20000/XP12000/XP10000 when connected to external storage devices, HP

recommends using OPEN-V as the emulation the array makes visible to the host. This allows configuration

of external storage LDEVs without losing data. Using any other emulation may cause data loss in the

external storage LUNs. For new deployments, OPEN-V should be chosen because some features (such as

XP Snapshot or Continuous Access Journal) are only supported with OPEN-V.

Refer to

Table 6

The disk arrays support many standard software products that provide host, application, or I/O path

failover and management.

The XP family of disk arrays supports standard Simple Network Management Protocol (SNMP) for

remotely managing the disk array. The SNMP agent on the SVP performs error-reporting operations

requested by the SNMP manager. SNMP properties are usually set from the SVP but they can also

be set remotely using XP Remote Web Console, or XP Command View . For procedures, refer to the

applicable user guide available at:

http://www.hp.com/support/manuals.

Installing and configuring Novell Netware for the XP disk array

on page 35 for detailed information.