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Chapter 3 Notes

3.2 Server Startup and Power Supply Control Notes

Example LAN switch connection configuration

A separate LAN segment is used for each

Server/Storage grouping. (*2)

Here, LAN ports 1, 2 and 10 comprise VLAN1,

while LAN ports 3 and 11 comprise VLAN2.

*1:

In this system configuration, multipaths provide redundant connections between the servers and

storage system. LAN switches #1 and #2 provide physical separation of the network paths.

*2:

A separate LAN segment is provided in the LAN switch (using the switch VLAN function) for each

grouping of business servers and disk storage systems (equivalent to the FC zones).

3.2

Server Startup and Power Supply Control Notes

Before turning the server on, check that the ETERNUS Disk storage systems and LAN switches

are all "Ready". If the server is turned on and they are not "Ready", the server will not be able to

recognize the ETERNUS Disk storage systems.

Also, when the ETERNUS Disk storage system power supply is being controlled by a con-

nected server, make sure that the ETERNUS Disk storage system does not shut down before

the connected servers. Similarly, the LAN switches must also be turned off after the connected

servers have been shut down.

If turned off, data writes from the running server cannot be saved to the ETERNUS Disk storage

systems, and already saved data may also be affected.

P3AM-4182-03ENZ0

Server Connection Guide (iSCSI) for Oracle Solaris

LAN switch

[Business LAN]

LAN

card

Business server A

Business server B

LAN

card

LAN switch #1

LAN switches should not

[iSCSI LAN]

be inter-connected (*1)

LUN1

LUN2

LUN3

Management

ETERNUS Disk storage system

LAN

card

Business server C

LAN

card

LAN switch #2

[iSCSI LAN]

Management LAN

LAN switch

LAN port

[Management LAN]

The iSCSI LAN and management

LAN segments are kept separate

in the iSCSI LAN switches, helping

maintain the security of each.

Business LAN

Similarly to FC-SAN, a

dedicated LAN is used for

iSCSI, not the business LAN.

iSCSI LAN