HP 6400/8400 HP StorageWorks 6400/8400 Enterprise Virtual Array User Guide - Page 43
Creating disk groups, Handling fiber optic cables, Using the OCP, Displaying the OCP menu tree
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Creating disk groups The new disks you add will typically be used to create new disk groups. Although you cannot select which disks will be part of a disk group, you can control this by building the disk groups sequentially. Add the disk drives required for the first disk group, and then create a disk group using these disk drives. Now add the disk drives for the second disk group, and then create that disk group. This process gives you control over which disk drives are included in each disk group. NOTE: Standard and FATA disk drives must be in separate disk groups. Disk drives of different capacities and spindle speeds can be included in the same disk group, but you may want to consider separating them into separate disk groups. Handling fiber optic cables This section provides protection and cleaning methods for fiber optic connectors. Contamination of the fiber optic connectors on either a transceiver or a cable connector can impede the transmission of data. Therefore, protecting the connector tips against contamination or damage is imperative. The tips can be contaminated by touching them, by dust, or by debris. They can be damaged when dropped. To protect the connectors against contamination or damage, use the dust covers or dust caps provided by the manufacturer. These covers are removed during installation, and are installed whenever the transceivers or cables are disconnected. Cleaning the connectors should remove contamination. The transceiver dust caps protect the transceivers from contamination. Do not discard the dust covers. CAUTION: To avoid damage to the connectors, always install the dust covers or dust caps whenever a transceiver or a fiber cable is disconnected. Remove the dust covers or dust caps from transceivers or fiber cable connectors only when they are connected. Do not discard the dust covers. To minimize the risk of contamination or damage, do the following: • Dust covers - Remove and set aside the dust covers and dust caps when installing an I/O module, a transceiver or a cable. Install the dust covers when disconnecting a transceiver or cable. • When to clean - If a connector may be contaminated, or if a connector has not been protected by a dust cover for an extended period of time, clean it. • How to clean: 1. Wipe the connector with a lint-free tissue soaked with 100% isopropyl alcohol. 2. Wipe the connector with a dry, lint-free tissue. 3. Dry the connector with moisture-free compressed air. One of the many sources for cleaning equipment specifically designed for fiber optic connectors is: Alcoa Fujikura Ltd. 1-888-385-4587 (North America) 011-1-770-956-7200 (International) Using the OCP Displaying the OCP menu tree The Storage System Menu Tree lets you select information to be displayed, configuration settings to change, or procedures to implement. To enter the menu tree, press any navigation push-button when the default display is active. Handling fiber optic cables 43