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RAID Data Recovery (64)
Mainboard Gigabyte GA-990FXA-UD7 on board has the south bridge AMD SB 950th. This implementation of RAID allows us to create RAID 0, 1, 5, 10 and JBOD. We choose a fairly simple similar like the BIOS "RAID Option ROM Utility" (for convenience we call them just Utility) that can be called out immediately after the POST, or based web-applications from the Windows controls. Both of these approaches provide similar capabilities of configuration but with a few differences. If we want to useservice for Windows we have to install this operation system.
RAID from 0 to 50
RAID is a technology created in the mid 80s at the University of California at Berkeley. The authors are David Patterson, Garth Gibson and Randy Katz, of the Computer Science Department of that university.
In short - this technology is the combination of drives in one array, which is the operating system and software appears as a mass storage device offering, depending on the configuration, security, increase the transfer speed I / O, or both things at once.
Initially it was a development of the acronym RAID Redundant Array of Inexpensive Disks, in time changed the meaning of the Independent, though you can still hear the term Inexpensive.
In this article we will deal with the influence of the SATA controller settings, and selected SATA drivers installed in your system for RAID overall performance based on previous built RAID 0 system.
What basically is RAID 0? Why is becoming more popular? How does it work, how to build and how to set up RAID 0 for best performance? For similar and other questions we will try to answer today as a simple and accessible way. Time we will go step by step through the process of building a RAID 0, will suggest what not to do, and what to pay attention. In addition, we compare the number of basic settings and choose the best one for our first matrix. Guide how to build and accelerate RAID 0 - is open to all who wish to improve the performance of your computer's relatively low cost.
This time, I would describe the eye of the casual user, how to exercise two hard drives connected in RAID 0. I bought two Seagate Barracuda 7200.10 ST3250410AS with identical parameters:
- 250GB
- Serial ATA/300
- 16MB cache
- 7200 rev. / Min
- The S.M.A.R.T.
Comparison of Disk Seagate ST3500418AS (7200.12 500GB) RAID 0 and Samsung HD502HJ (500GB) RAID 0
The purpose of this test is to compare two 500 GB hard drives - Seagate ST3500418AS and Samsung HD502HJ as single working hard drives and in pairs as RAID level 0 solutions.
At the beginning of the test a single disk Seagate ST3500418AS and Samsung HD502HJ with HD Tune 2.55 software
Today our RAID recovery experts in data center carried out tests of the server ProLiant 612275 MicroServer platform. This tiny "desktop" boxing with the built-in basket for placement of several hard disks is based on the power effective AMD platform with a dual-core processor of AMD Athlon II Neo N36L and offers the user almost full open space in arrangement not only the program environment, but also a disk subsystem.
On the basis of HP ProLiant MicroServer it is possible to collect not only traditional NAS (with all its server functions), but also the real "adult" server of the small company, and also the silent home server for all occasions.
Let's test productivity of this decision as network storage of data (NAS) at work in a local network on the Gigabit Ethernet interface. To complete the picture we will test the disk massifs of various types organized in the microserver as by means of a chipset (through BIOS Setup of a system payment), and programmno (the built-in means of Windows). Also us dependence of speed of the decision on some settings and will interest, as far as it will change, if network volume to cipher on algorithm of AES (for example, by means of the popular TrueCrypt 7.0a program established on the microserver). In completion we will compare productivity of NAS on the basis of the HP microserver under Windows to speed of work of one of popular "ready" NAS on the basis of the Intel Atom platform and the optimized Linux-solution.
Our data recovery experts decided to process few hard drives tests in different array modes. Even if you have other hard drives models our results can be usable for analysing performance in different RAID modes depending on number of disks in array and mode. You will be able to decide do you need additional costs to get better performance.
Ready at hand following hard drives:
- WDC Green Power 1000GB SATA2
- WDC Green Power 500GB SATA2
- WDC SE16 500GB SATA2
- Samsung Spinpoint F1 750GB SATA2
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