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Using SSDs as controller cache allows for very large data sets to be present in cache to deliver up to a 50X performance improvement in read-intensive applications, such as file, Web, OLTP and database server. LSI MegaRAID CacheCade tiered cache allows users to leverage SSDs in front of hard disk drives (HDDs) to create up to 512GB of controller cache.
Lsi megariad hackintosh full#
FastPath supports full optimization of SSD Virtual Disk groups to deliver a 3X improvement in read and write I/Os per second (IOPS) compared to the previous generation product. LSI MegaRAID FastPath optimization software provides a high performance I/O accelerator, designed to dramatically boost transactional application throughput of multiple SSDs connected to a 6Gb/s SATA+SAS MegaRAID controller. I'm not going to rewrite LSI's marketing, here are the quotes. The additional software features that are available add to the overall value as well. We managed to find a bundle package with both of these add-on packs for 249.99. For most users, Fast Path and CacheCade are all that is needed.
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A fully outfitted 9265-8i with all of the goodies can add another $870 if purchased through LSI directly. Add-ons include a battery backup unit, MegaRAID FastPath, SafeStore, CacheCade and recovery software.
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Lsi megariad hackintosh manuals#
That covers the basic card, SFF-8087 to SATA cables (2), the manuals and a three year warranty. We managed to track down a seller on Google's Product Search with stock available for $620 shipped in the US. The ability to run RAID spans 10, 50 and 60 are also available.Ĭurrent pricing on the 9265-8i is about 40% less at the time of writing than what we found on release in 2011. RAID 0, the old enthusiast's favorite is also included, but with the advent of high speed SSDs most stay away from RAID 0 since it doesn't offer any redundant features or significant performance increase over RAID 5. RAID 5 and RAID 6 are the most popular and allow for one (RAID 5) or two (RAID 6) disks to fail before you lose data.
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The MegaRAID series of products cover all of the major RAID array types. On the host end the 9265-8i uses a PCIe 2.0 8x lane and this will be your limiting factor when using a very large array or a group of high speed SSDs. You could run each channel directly to a SATA or SAS drive or with expanders the 9265-8i can connect up to 128 drives. There are several different configurations for SAS. This is LSI's second generation 6Gb/s ROC, we reviewed the first generation last year on the 9260-8i.Ĭonnectivity comes via two SFF-8087 mini-SAS ports, each with 6Gb/s throughput. The heart of the system is a dual-core 800MHz RAID-on-Chip (ROC) that's paired with an embedded 1GB DDR2 cache. The 9265-8i MegaRAID is from LSI's Value Line of storage controllers but you wouldn't know it from the specification list.
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