16 Iscsi Storage; Iscsi Overview - HP StorageWorks 4000/6000/8000 - Enterprise Virtual Arrays Reference Manual
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16 iSCSI storage
This chapter describes iSCSI in an HP SAN environment:
HP StorageWorks Modular Smart Array
B-series iSCSI Director
HP ProLiant Storage Server iSCSI Feature
iSCSI overview
iSCSI is a storage transport protocol. The IETF developed iSCSI to encapsulate the SCSI protocol over
an IP network. iSCSI has many of the same mechanisms as the Parallel SCSI and Fibre Channel
protocols.
iSCSI facilitates creating SANs that include IP technology. iSCSI establishes and manages connections
between IP-based hosts and storage systems. Many Fibre Channel switches and routers, as well as
NAS systems, provide iSCSI support.
This section describes the following topics:
iSCSI and Fibre
iSCSI bridge to Fibre
iSCSI provides access to storage systems and SANs over standard Ethernet-based TCP/IP networks
that can be dedicated to storage or in some cases, shared with traditional Ethernet applications.
NOTE:
Existing TCP/IP networks may not support iSCSI storage. HP recommends using a dedicated Gigabit
Ethernet network between iSCSI initiators and targets. This ensures adequate data security and
performance. As an alternative, use IPsec to secure the connection on a public network, with decreased
performance. See the specific HP product requirements to determine if a dedicated IP network for
storage is required.
Blade, page 379
Channel, page 356
Channel, page 356
2000i, page 376
Pack, page 389
SAN Design Reference Guide
355
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