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RAID Management

DataDirect Networks EF2800 FC RAID Storage System User Guide (V 1.0)

You set up InfoShield by either excluding or including hosts on a list for

each partition LUN. The list can include or exclude up to 64 specific

hosts or all hosts for each partition LUN.

For example, in Figure 56, Array A has two partitions. Partition 1 has an

include list that contains only Accounting, so only the Accounting

server can access partition 1. Array B, partition 3 has an exclude list

that contains only the Web server, so all hosts

except the Web server

can access the partition. Array C uses the default setting, Include All

Hosts, which permits all hosts to access the array.

6.3.4.1 Viewing Known WWNs

You can view the global host list, which includes the last 64 host WWNs

that the EF2800 is aware of on your SAN. The EF2800 will be aware of

any host that was started since the EF2800 was last restarted. Typically,

hosts scan for devices during their start-up process. When this happens,

the EF2800 saves the WWN information for the host, but does not retain

the information after you restart the EF2800 unless you have given the

host a nickname. The list includes the last 64 hosts that started or that

you gave a nickname.

You can determine which WWN is for which host by starting one host

at a time or scanning for devices from a host, then viewing the WWN

list. The host that scanned for devices most recently is first on the list.

You can then give the hosts nicknames you recognize. For example, you

can use the computer name that has already been assigned to each host,

to make InfoShield easier to manage.

To view known WWNs:

• From SAM, select Manage EF2800 > LUN Management > Manage

Global Host List.

The Manage Global Host List page displays with a list of known

host WWNs and nicknames you have given them. The WWNs are

listed according to when they scanned for devices. The host that

scanned for devices most recently is listed first.

OTE

A host’s WWN is placed at the top of the known hosts list

whenever the host performs a device discovery or bus scanning type of

operation.

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DataDirect EF2800 Betriebsanweisung Seite 122