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Maintaining and Managing the Storage Router

189IP Storage Router SR2122-2 User Guide

Enabling and Disabling Connections

A SCSI routing instance becomes active, by default, once it is associated with a

Gigabit Ethernet interface to IP hosts. Each target that is added to an instance is

also, by default, enabled. However, no IP hosts can connect or log in to that target

because the target has no access list association. Once you associate an access list

with a target, it is automatically enabled; the IP hosts specified by access list

entries are allowed to connect or log in to the target.

Use the scsirouter target disabled command to control access to the

target without changing the access list association or stopping the entire SCSI

routing instance. Existing connections and logins are not affected, but future

connections and logins are prohibited.

Use the scsirouter target enabled command when you are ready to

allow connections and logins again.

For example, suppose you have a problem with an entry in the access list,

webserver2. This access list is associated with the target, webstorage2, which is,

in turn, associated with the SCSI routing instance foo.

To temporarily disable access to the target associated with a problem access list:

1. enable — Enter Administrator mode.

2. show scsirouter foo stats — Display status to confirm the SCSI

routing instance, foo, is active on this storage router.

3. show scsirouter foo — Verify the name and current status of the

target and access list. The target, webstorage2, should be associated with the

webserver2 access list and the target should be enabled. (Example 20.)

4. scsirouter foo target webstorage2 disabled — Disable

access to the target, webstorage2. (Example 21)

Example 20: Verify Target, Access List, and Target Status

[SR2122-2_PR1]# show scsirouter foo

foo description “test SCSI routing instance”

foo authenticate “none”

foo primary "none"

foo proxy server disabled

foo failover primary “none”

foo failover secondary “none”

foo lun reset no

foo cdb retry counter 30

1 2 ... 184 185 186 187 188 189 190 191 192 193 194 ... 241 242

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Hp StorageWorks IP Storage Router Manual de usuario Pagina 189