LSI LSI00124 Datový list stáhnout pdf

There are many choices of SAS/SATA

and SATA storage adapters o ered in

the market today. In this paper, we will

focus on di erentiating the various

low-cost adapters available.

LSI o ers the most complete line of adapters, spanning all key RAID levels

and connector con gurations; and is a leader in the SAS/SATA Host Bus

Adapter marketplace. Recently, Adaptec released their 2 Series SAS/SATA

Hardware RAID adapters and compared them to the LSI MegaRAID Entry

Line which actually employs Host-Based RAID technology. In doing

so, they fail to discuss the strengths of host-based RAID technology

(sometimes called Software RAID) and also fail to mention the LSI

Host Bus Adapter (HBA) products altogether, which are Hardware RAID

like the Adaptec 2 Series. As a proven solution, LSI HBAs deliver the

performance, availability and connectivity options that customers desire,

at an optimal price point, and should be considered as an alternative

the Adaptec 2 Series.

In order to better understand how these three product lines stack up against each other, we will

now compare LSI Host Bus Adapters, the LSI MegaRAID Entry Line, and the Adaptec 2 Series:

Scalability

If you plan to employ JBODs (Just a Bunch Of Disks) or external SAS RAID enclosures (RBODs),

the main considerations for a storage adapter are the number of physical devices supported and

interoperability with the SAS expander. Both LSI HBAs and the Adaptec 2 Series support at least 122

physical devices, JBOD mode, and utilize Hardware RAID technology. In addition to scalability, LSI

is the market leader in both SAS HBAs and SAS expanders. These expanders are built to work with

LSI SAS/SATA Host Bus Adapters, thus removing the inevitable interoperability road blocks that are

associated with utilizing separate vendors in one storage system.

The MegaRAID entry line should be considered only if scalability is not a necessity in your

environment, as these adapters do not support JBOD mode or more than eight physical devices.

Low-Cost SAS/SATA PCI Express Storage Adapters:

A Comparison of LSI Host Bus Adapters, the LSI MegaRAID® Entry Line,

and the Adaptec 2 Series

White Paper

1 2 3 4

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Strany 1 - White Paper

There are many choices of SAS/SATA and SATA storage adapters o ered in the market today. In this paper, we will focus on di erentiating the various

Strany 2 - Conclusion

Low-Cost SAS/SATA PCI Express Adapters 2Direct-connectivityIf your solution requires direct connectivity to hard disk drives inside the server, then

Strany 3

Low-Cost SAS/SATA PCI Express Adapters 3Features LSI Host Bus Adapters Adaptec 2 Series LSI MegaRAID Entry LineHardware or Host-Based (Software) RAI

Strany 4

For more information and sales o ce locations, please visit the LSI web sites at: lsi.com lsi.com/contactsLSI, the LSI logo design, Fusion-MPT and

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LSI LSI00124 Datový list

Procházejte online nebo si stáhněte Datový list pro Karty / adaptéry rozhraní LSI LSI00124. LSI LSISAS3801X 8 Port SAS Controller - 2 x SFF-8088 SAS 300 Uživatelská příručka

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