pig raid server

write cache exists and the algorithm is normal, RAID5 is even better than raid10, although there may not be much difference (here we should assume that there is a certain size of storage, enough write cache, and there is no bottleneck in the CPU for computing and verification ). This is because the raid check is completed in the cache. For example, for RAID 5 of four disks, you can calculate the check in

Server: differences between hard RAID and soft RAIDWhat is RAID?　　RAID is short for the English Redundant Array of Independent Disks. It is translated into Chinese as an Independent disk Redundant Array or a disk Array for short. To put it simply, RAID combines multiple inde

RAID Basic Concepts, Special terminology introduction We offer RAID cards to support a variety of commonly used RAID levels, such as 0,1,5,10,50, you can choose based on the importance of the data, before starting to use the RAID card, we hope you can have a deeper understanding of the following concepts, so as

, and starts synchronizing the disk. Old version 1 Restart the host press ctrl-c into the configuration menu, the cursor on the 2 Select DEVICE PROPERTIES to find hard drive, press 3) Select Mirroring PROPERTIES Press 4 Select the first hard drive, the third column mirror pair item, and set it to primary by the-/+ number. 5 Select the second hard drive, the third column Mirror pair, and press the-/+ number to set it to seconde 6 Press ESC, select "SAVE change THEN EXIT This menu", press 7 Press

Enterprise-levelDatabaseMost applications are deployed inRAIDThe disk array server can improve the disk access performance and implement fault tolerance/disaster tolerance.RAID (redundant disk array) is simply an array made of cheap hard disks. The objective is to expand storage capacity, improve read/write performance, and achieve data redundancy (backup and disaster tolerance ). It is like a foreigner who used to take N old PCs to form a powerful "

Server RAID 5 Data recovery caseThis shared case is a RAID disk array in a server, with 12 disks in the disk array, a single-disk capacity 500g,ext3 file system, and a Linux platform for the system platform. Raid in 2nd and 6th, two hard disks reported yellow lights, managem

block, for small files to read or build Web, BBS server and so on. Then save the raid, note that a disk is the group built raid after the original data on the disk will be erased; Step two: When the operating system is installed to allow the operating system to correctly recognize the raid that has been created a

. (generally used to reload the system or do not install the operating system to create a container (Adaptec array card)/logical drive (Ami/lsi array card).Use the Configuration tool software provided by the third party to implement the management of the card. such as Dell Array Manager. (These software is used on the server already has the operating system installed)Third, correctly identify the model of your array card (in this case, Dell, in fact,

I. Introduction to raid RAID (Redundant Array of independent disk independent redundant disk array) is a data protection policy. Ii. Several Common RAID levels 1. RAID 0: Data I/O can be improved through parallel reading. reading efficiency is high, but data fault tolerance and protection are not provided. It is not re

FTP Server transfer performance test RAID 1+0 Chapter February 09, 2012 13:27 it168 website Original Huizer Editor: Huizer View full text likes (0) Comments (1) share "IT168 evaluation" as the most commonly used in the daily office of the application server, the FTP server has a lot of work, and in the FTP

Recently, the server encountered a small problem. I had to redo raid. I found an article on the Internet. I felt very careful. I 'd like to share it with you. Record the record when the server is reinstalled and share it with you. Hardware RAID 5: Recently, I personally assembled a 1u rack-mounted storage

implemented, that is, "software arrays" and "hardware arrays." A software array is the Disk management function provided by the network operating system itself to configure multiple hard disks on a connected common SCSI card into a logical disk to form an array. such as Microsoft Windows nt/2000 server/server 2003 and Netvoll of NetWare two operating systems can provide software array capabilities, where

Recently, the customer needs to change the server. The customer sent the purchased server to a very small server. But when I saw it, it was a big, long, wide server, similar to the server in the data center, later, Mr. Mi gave a general explanation: This is a blade

knowledge. I am afraid of knowing the problem when I start to learn materials and solve it. what impressed me most is: when the customer came to me, he told me that the server had already been RAID, but I was a bit blind. If I didn't know what this was, I simply understood it as READ, only by looking for such information can we know that RAID is the real thing.

First, we will introduce scsiscsi, which is called "Small Computer System Interface" in English and the Chinese name "Small Computer System Interface ". It is a peripheral interface, which is mainly used by hard disks on servers. In addition, this interface is also used for CD/DVD-Rom, CD-r/RW, scanners, and tape drives. In fact, SCSI is not a new interface type. As early as 1986, the SCSI standard was developed and has been around for more than 20 years. The SCSI interface is expensive and has

RAID server data Recovery Most failures are the loss of RAID array information, which causes the RAID server not to start and use, often requires the data recovery company to do RAID reorganization to function properly, from the d

the causes of RAID faultsBecause the previous two steps did not detect a physical fault or bad track on the disk, It is inferred that some disks may fail due to unstable read/write. Because the HP msa2000 controller has strict disk check policies, once the performance of some disks is unstable, the HP msa2000 Controller considers the disk as a bad disk and will consider the disk as a bad disk to be kicked out of the

Dell PowerEdge Server RAID card driver downloadDell new Array Card driver download Model Support System Driver h310/710/710p/810 Win2008 x32 Windows 2008 x64 Windows 2008 R2 Windows 2012 　 h700/h800 Win 2003 x32 Windows 2003 x64 Windows 2008 x32 Windows 2008 x64 Windows 2008 R2 H200 Win 2003 x32 Windows 2003

[Root@jxq-01 ~]# cd/opt/ [Root@jxq-01 opt]# mkdir-p raid [Root@jxq-01 opt]# dmidecode-s System-product-name PowerEdge R710 #服务器是DELL R710 [Root@jxq-01 opt]# CD Raid/ [Root@jxq-01 raid]# Rz-y RZ waiting to receive. Start Zmodem transmission. Press CTRL + C to cancel. 100% 1551 KB 1551 kb/s 00:00:01 0 Errors 100% 1478 KB 1478 kb/s 00:00:01 0 Errors [Root@

WINDOWS 2008R2 The domain server password is forgotten or modified by others, and the server does RAID 5 SolvePrepare in advance: A, download the server RAID card driver on the USB stick. B, find a copy of the same version of the operating disc1. Use the same version of the