Gebruiksaanwijzing /service van het product AutoRAID 12H van de fabrikant HP
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hp vir tual array: double your operating ef ficiency.
executive summary In today’ s market envir onment, you are constantly challenged to find ways to both grow your business and save costs. And with the current market growth uncertainties, saving costs is getting a lot of attention by ever yone from Main Street to W a ll Street to inside the Beltway .
2 1 table of contents • Amazon.com i • Room & Board i ” • State of New Mexico ii i • V iaSat • Santa Clara ii section 1: hp storage white paper November 2001 • virtualization, simplification and storage 1.0 • array virtualization defined 1.
vir tualization new . Many companies have optimized their performance with HP , including: ” Amazon.com “W e look at three things when selecting data warehouse disks.
” Santa Clara “W e needed to move to the next generation of technology as we merged data centers. W e had outgrown the large ser ver farm scenario and wanted to focus on consolidation. In discussing our current and future needs for our NT environment, the V A7400 was the best solution.
1 in storage capacity they will only become more so. HP’ s Array V i r tualization is evolutionar y , not revolutionar y . It is a logical progression in array technology . It is proven. It is necessar y . It is the perfect storage area network (SAN) technology .
hp storage white paper This allows the array to dy namically allocate and de-allocate clusters of any RAID type without affecting the logical view as seen from the ser ver .
hp storage white paper 1 why now is the time for array virtualization Data centers have become enormously complex. Interestingly , new technologies that initially held the promise of simplifying the data center have, in fact, added to the complexity—at least for now .
section 1 In addition, the same processes must be followed whenever disk drives are added or the environment changes. Plus, these additional factors must be considered: • current configuration • d.
section 1 the system administrator ’ s dilemma Change is the issue. Many environments change over time and this makes their initial configurations progressively less and less optimal.
section 1 The HP V ir tual Array accepts new disks while the array is up and running and accepting I/Os as with some higher-end traditional arrays. However , the HP V ir tual Array takes it one step further . Once the disk is inserted, the array automatically includes that disk into the existing disk space and stripes all LUNs across that disk.
section 1 Ever y LUN would have 30 spindles at its disposal. And don’t forget, in the virtual array the spare disk capacity is also spread across all of the spindles, i.e., there are no unused spindles in an HP V ir tual Array . Second, the virtual array automatically per formance tunes the array 24 hours per day , 365 days per year .
section 1 gives 100X the data protection of traditional RAID 5 and 10X the data protection of RAID 1. Second: The HP V ir tual Array stripes across all the disks in the redundancy group. This involves more disks but is not so different from any other RAID 1+0 implementation.
1 things. At first, bits were grouped into bytes. When there were too many bytes to keep track of, they had to be grouped i nt o b l ocks. When there were too many blocks to manage, someone invented volumes and volume managers.
section 2 virtual value in hp’ s va7000 series 2 Vir tualization is a key to solving complexities associated with storage configurations. As Information T echnology continues its non-stop evolution, tools and devices that improve manageability while increasing business efficiency w ill command a premium in the marketplace.
section 2 V A7000 virtualization, managed at the array level, offers the advantage of providing greater granularity when managing a pool of logical storage. Logical Unit Name (LUN) capacity is definable as a logical set of storage blocks rather than as a specific set of predefined physical disks.
section 2 reliability characteristics of hp’ s va7000 series • redundant, hot swappable controllers, fans, power supplies, and an internal fibre-channel hub eliminates planned downtime • online .
section 2 software extends virtual functions 2 While hardware design and functionality are critical to enabling performance, software function can maximize the efficiency and flexibility of the device. HP’ s software packages extend the management and flexibility of the V A7000 family w hile exploiting the vir tualization capability .
section 2 The major HP Surestore software packages 1 (identified on page 2.2) include, 2 • Command View SDM speeds and eases local and remote management, including install, configure, monitor , and control via a web browser , direct host attach, or SAN.
06/02 5981-2067ENUC.
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