Item Specification Comments
• The new port number might
conflict with other network
communication or be
filtered on some network
equipment, preventing the
storage system from
communicating through the
new port number.
iSCSI name Both iqn
3
and eui
4
types are
supported
The unique iqn value is
automatically set when a target
is made. iSCSI name is
configurable.
Error recovery level 0 (zero) Error recovery by retrying from
host. Does not support Level 1
and Level 2.
Header digest Supported Detects header error or data
error with iSCSI
communication. The storage
system follows the host's digest
setting. If digest is enabled, the
performance degrades. The
amount of the degradation
depends on factors such as host
performance of host and
transaction pattern.
Data digest Supported
Maximum iSCSI connections at
one time
255 per iSCSI port N/A
CHAP Supported Authentication: login request is
sent properly from host to
storage. CHAP is not supported
during discovery session.
Mutual (2-way) CHAP Supported (not available if
connected to Linux software
initiator)
Authentication: login request is
sent properly from host to
storage.
CHAP user registration Max 512 users per iSCSI port N/A
iSNS Supported With iSNS (name service), a
host can discover a target
without knowing the target's IP
address.
Note:
1. JP1, HiCommand Dynamic Link Manager. Pass switching is achieved. Not supported on
Windows Vista and Windows 7 operating systems.
2. IP Security. Authentication and encryption of IP packets. The storage system does not
support IPsec.
3. iqn: iSCSI Qualified Name. The iqn consists of a type identifier, "iqn," a date of domain
acquisition, a domain name, and a character string given by the individual who acquired the
domain. Example:
iqn.1994-04.jp.co.hitachi:rsd.d7m.t.10020.1b000.tar
102 iSCSI standards and specifications
Hitachi Virtual Storage Platform G400, G600 Hardware Reference Guide
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