IBM 88554RU Installation Guide - Page 99
Rack installation, IBM Tape Solutions for Storage Area Networks and FICON
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Performance requirements You need to consider the backup window available, as well as the amount of data being backed up when determining what your backup performance requirements will be. It is also important to consider the need for quick access to data committed to tape when selecting a solution. Connection requirements Will the tape solution be connected to an existing SAN fabric and, if so, will this require additional fabric hardware? Hardware and software compatibility If you implement a new tape solution, you need to ensure that current backup and management software is still suitable. IBM Tivoli® Storage Manager has 64-bit Windows and Linux versions of their client, and other software vendors have similar products or plans for 64-bit versions. Disaster recovery procedures may also need to be revised. IBM offers a full range of high-performance, high-capacity and automated tape solutions for xSeries servers. For detailed information on these products, go to: http://ibm.com/pc/ww/eserver/xseries/tape.html Note: The x455 and RXE-100 support 3.3 Volt PCI adapters only. Make sure that any SCSI adapters you use to connect your tape subsystem are 3.3 V or dual-voltage adapters. The following IBM Redbooks discuss IBM tape solutions in greater detail: IBM Tape Solutions for Storage Area Networks and FICON, SG24-5474 Netfinity Tape Solutions, SG24-5218 The IBM LTO Ultrium Tape Libraries Guide, SG24-5946 3.4 Rack installation The x455 is 4U high and is intended for use as a rack-drawer server. Due to power distribution considerations, it is recommended that no more than eight 4U x455 chassis be installed in a single 42U rack, leaving 10U available for RXE-100 Remote I/O enclosures, disk or tape storage, or other devices. The x455 is 27.5 inches deep, and is designed to be installed in a 19-inch rack cabinet designed for 28-inch-deep devices, such as the NetBAY42 ER, NetBAY42 SR, or NetBAY25 SR. Although the x455 system is rack optimized, it may be converted into a tower by installing it in a NetBAY11 SR Standard Rack Chapter 3. Planning 85
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