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ProLiant Server storage options are designed or specified by HP engineering, optimized and tested for performance, reliability, and full compatibility. You can visit the HP Web site and review the QuickSpecs for each ProLiant server to find its supported storage options. HP Universal Hard Disk DrivesHP Universal Hot Plug hard drives provide compatibility between any Ultra 320-, Ultra3-, or Ultra2-capable ProLiant servers and StorageWorks drive enclosures and arrays. The benefits of storage interchangeability include reduced cost of ownership, reduced storage complexity, and a minimized hard drive spares inventory. All HP hard drives are engineered to provide the highest possible performance and quality. HP drives undergo an intense qualification process that eliminates data-integrity problems, firmware and O/S incompatibilities, and other causes of data corruption or premature failure. All drive firmware is specific to HP drives and is designed to maximize both functionality and compatibility. All drives are proven to perform in the HP systems for which they were designed. When used in conjunction with a SMART array controller and SIM, the Smart-capable firmware in HP hard drives enables extensive fault-prediction capabilities. If potential problems develop in one of the drives, the SMART array controller, Insight Manager, and/or Smart hard disk drive lets you know in advance so you can have the drive replaced , before it fails, under the HP Prefailure Warranty. note All drives are protected by a Prefailure Warranty when used with an HP SMART array controller and Insight Manager, allowing hard drives to be replaced before failure free of charge. In addition, all drives are covered by a one- to three-year limited on-site warranty, or the remaining warranty of the HP CPU in which it is installed (up to three years ). ProLiant SMART Array ControllersSMART array controllers are one of ProLiant's most frequently purchased options, adding the benefits of high performance RAID storage fault tolerance. They are currently in their sixth generation to provide the highest performance with an advanced feature set. ProLiant SMART Array Controller Naming ConfigurationThe naming scheme for the SMART array family is simple and illustrated in Figure 2.2. Mainstream array controllers have four numerals (SA-6402), whereas entry-level controllers have three numerals (SA-641). The first numeral refers to the product family or generation among the SMART array family of products. The second numeral refers to the protocol (2=Ultra2, 3=Ultra3, 4=U320). The third numeral is used for differentiation. For example, with the SA-5312, the third numeral indicates that this is a different controller than the other SA-53XX controllers. The SA-5312 is a PCI-X controller, whereas other 5300 series controllers are PCI. The fourth numeral indicates the number of SCSI channels on the controller. For example, the SA-5302 has two SCSI channels. Additional numerals can be used to indicate cache size ; for example, SA-5302/32 indicates 32MB of cache. Figure 2.2. SMART array controller naming configuration.
SMART Array Controller Advanced TechnologiesThe SMART array fifth and sixth generation controllers offer support for RAID ADG (Advanced Data Guarding). RAID ADG is available as an upgrade option for fifth generation controllers. A minimum of 64MB of on-board controller cache is required to enable RAID ADG. With this patented HP technology, you can safely deploy large-capacity disk drives and create large storage volumes . RAID ADG also offers lower implementation costs and greater usable capacity per U than RAID 1. Its only limitation is slightly lower performance than other RAID levels. RAID ADG
ProLiant Management ProcessorsHP ProLiant management processors provide hardware-based virtual server presence independent of the OS, which enables remote management of the server over the network. This addresses challenges that IT Administrators face today in managing a more complex IT environment. Attended, in-front-of-the-server operations have become expensive and time-consuming . ProLiant servers offer a virtual presence across the entire line with iLO, RILOE II, and the IA for BL-e enclosures. Some common problems that are addressed by HP ProLiant management processors include the following:
Integrated Lights-Out (iLO)iLO, the newest generation of HP's Lights-Out technology, is integrated into selected ProLiant servers. iLO consists of an intelligent processor and firmware that provides standard and advanced levels of Lights-Out functionality. Two Versions of iLOBasic system board management functions, diagnostics, and essential Lights-Out functionality are provided as standard components of ProLiant servers with iLO functionality. The standard features of iLO are referred to as iLO Standard. Advanced functionality of the HP iLO, referred to as iLO Advanced, can be licensed with the optional ProLiant Essentials Integrated Lights-Out Standard Pack. iLO Advanced offers sophisticated virtual administration features for full control of servers in dynamic data center and remote locations. The key iLO Standard features include the following:
The key iLO Advanced features are
Two of these features, USB-based Virtual Media and Virtual Graphical Remote Console, provide additional functions that deserve further explanation:
The ProLiant BL-p class blade systems ship from the factory with the iLO Advanced features enabled, allowing Administrators full use of the robust Graphical Remote Console and Virtual Media capabilities. Remote Insight Lights-Out Edition II (RILOE II)The RILOE II PCI card is optional for ML and DL ProLiant servers. As the second generation of RILOE, it provides significantly faster graphical remote console performance, and a breakthrough Virtual Media, Virtual Floppy, or CD that improves virtual presence and control. The RILOE II offers a similar, but enhanced, feature set when compared to iLO, as shown in Table 2.1. Table 2.1. Comparing RILOE II and iLO
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