One, SSD (solid State hard disk) is what side sacred
SSD is mainly divided into the following two categories:
SSD based on Flash: Flash chips are used as storage media, which is what we usually call SSDs. Its appearance can be made into a variety of touch samples, such as: Notebook hard disk, micro-hard disk, memory card, USB flash
Lenovo ThinkPad E420 installed SSD to the CD-ROM drive bit, the BIOS can not find, PE to find SSD.
Download old peaches PE version installed to U disk, start with U disk, enter WinPE, install system to SSD hard drive, reboot, BIOS can't find
The following switch from Baidu:Recently in preparation for testing, you need to see which machines are mounted SSD hard drives, Google has seen a lot of methods, but all foggy, do not know how to determine. SSD hard disk seems to use the SCSI interface, so according to the name of the drive letter is not to be judged. The last group of Eric God told LSSCSI Tools
look at the love machine bottom and instructions, find the machine model, and then on Baidu a check will know. Of course, if it is convenient, you can also take down the hard drive to see whether the SATA interface. In the figure below, the left side is the first generation of SATA serial port, Speed 150mb/s. On the right is PATA, the IDE interface disk:
Trick Two, check the Love Machine disk interface type, the correct choice of upgrade
Mechanical hard disk is not limited to read and write times, but the mechanical structure has the service life. and solid-state hard disk in theory, the life is really shorter than the mechanical hard disk, but the actual use of the current solid state drive normal service life has been up to 5-10 years, and because there is no mechanical structure, not afraid of collisions, fall, power outages, so small part of the view that the actual use of solid s
From the advent of SSDs, to the present popularity, in fact, only a few years of time. During this time, SSD performance and capacity, especially the price, have undergone a great change. Have to say, now the capacity of SSD is getting bigger, the price is also getting cheaper. However, compared with the traditional HDD, there are some gaps in the capacity and price ratio, especially the large capacity is t
in sequential read and write performance, sequential reading can reach the 82.4mb/s, basic and mechanical hard disk performance level, the random read and write performance slightly improved, not very obvious. Considering the high requirements of TC for Random Read and write performance, the USB drive with 3.0 interface is still difficult to meet the performance requirements.2.3 Test Result AnalysisCombined with the above test results, slow write spe
With the price of SSD solid-state hard drives down, later assembled computers to use SSD solid-state hard drive will become mainstream, at present, SSD solid-state hard disk capacity is small, and the price than mechanical hard drive to have no advantage, compared to ordinar
libaio-Direct = 1
RW = read indicates random reading, BS = 4 K indicates 4 K reading each time, and filename indicates the corresponding partition. Here I am/dev/sda6, direct = 1 indicates traversing the Linux Cache
We will test the sequential read, random read, sequential write, and random write speeds of SATA hard disks, SAS hard disks, and SSD hard disks in sequence.
Sequential read
Test command: FIO-name iops-RW = read-BS = 4 K-runtime
SSD solid-state hard drive How to optimize the use of solid-state hard drives more slowly how to do?
Today, this article mainly with the introduction of SSD solid State hard drive optimization of some knowledge, mainly for some netizens often said they buy the solid-state hard disk speed is not fast, or feel that the
perhaps SSD (solid state Drive) compared to the mechanical hard drive, the speed rise is really fierce, the computer boot to enter the system from the minute to the full turn into seconds reading time. In fact, the benefits of SSDs is not only in the speed of change, if only hundreds of yuan investment in exchange for these, it is too young!
This article from http://ssd.zol.com.cn/575/5753057.htmlIn the use of SSD, some users may encounter the computer accidentally power down or crash and forced power outage, the system is abnormal, scan the SSD and found a bad block, and then a hurry to stomp even want to return to the factory repair.In fact, the solid state drive after the bad block is not a seriou
For more information about how to use an ssd hard drive to accelerate mysqlindex, see www.javaarch.netjiago ushiindex.htm? If the data volume is large and the ssd capacity is not large, you can save the index data to the ssd to store the table data on the old hard disk .? So how can we make mysql build index on
Key points for using SSD
SSD usage basically does not need to optimize, only the following several places need to note:
1, on the AMD series of Chip motherboards, Intel's SSD performance may be reduced, so you can choose the third party company's products.
2, the Win7 system will be shut off can save a large part of the hard disk space.
3, virtual memory, 4
Simple Optimization of SSD hard drive on Ubuntu
1. Set the correct mounting option and enable TRIM.
After Linux is installed, this is very important.
To maintain long-term stability and speed, SSD needs to enable TRIM, which enables SSD to truly erase the materials marked on the chip during non-peak read/write times. T
Landlord office computer, originally only configured a piece of mechanical hard disk, with always very uncomfortable, so persuaded the leader to add a block SSD SSD.The operation is as follows:1, the PE under the partition format of the new solid-state drive, the original mechanical hard disk of the C-disk ghost backup and restore to a new solid-state drive;2. Re
solid-state drives in the reading and writing speed significantly less than the other three, the other three versions of SSD solid-state hard disk read and write speed is not large, so the SSD is not full capacity, the faster the speed, In the 64GB and 128GB SSD, the latter speed is obvious, but more than 128GB capacity SSD
Dell is still making different improvements to its most popular netbook Mini10, in addition to the 6-core battery option launched a few weeks ago. In 7th day of this month, the Mini 10 version of the customized Ubuntu system and SSD hard drive was launched, starting at $399. The Ubuntu Mini10 system also provides additional hard drive options, including 32 GB and
flash chips). SSD interface specification and definition, function and use of the same as the ordinary hard disk, in the product shape and size is also consistent with the ordinary hard disk. The new generation of SSDs generally uses the SATA-2 interface. But its cost is higher.One. IDEAn abbreviation for the IDE (Integrated Drive Electronics Integrated driver Electronics), which is intended to refer to th
To the introduction of solid-state drives, compared to the old mechanical hard drive, SSD solid state hard disk is said to be the same as the rocket speed, the installation of solid state hard drive after the Win7 system, whether the boot or operation has a quality upgrade, but many friends may not know, the use of solid-state drives there are some need to know t
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