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played, which can theoretically increase the disk read/write speed by 30%. First: After clicking on the Boot menu, select the "Run" column in the menu. Type "regedit" in the entry box in the Run column and enter the Registry Editor. Second: After opening Registry Editor, enter the "HKEY_LOCAL_MACHINESYSTEMCURRENTCONTROLSETSERVICESMSAHCI" key value. Double-click the item named "Start" in the right window to pop up a dialog box that changes the default parameter from 3 to 0. Click OK and then r
Disk management-RAID 10 What is RAID 10 RAID 10/01 is subdivided into RAID 1 + 0 or RAID 0 + 1. RAID
1. Hard drive Daily maintenance hard disk in the use of the process should pay attention to the following aspects: Computer work is strictly forbidden to move or collision machine, otherwise it may make the hard disk head and disc collision, causing the hard disk head and d
you need to analyze the information for the underlying RAID group and then refactor the original RAID group based on the information analyzed. Analysis of each piece of data disk, found 8th and 11th no data, from the management interface can see 8th and 11th are hot Spare, but the hot Spare 8th plate replaced the 5th plate of the bad disk. It is therefore possible to determine that although the hot spare o
Disk Management is important for an OPS engineer. How to manage the data, you can not do without raid.Content:1. Common Types of RAID: RAID0 (Strip)650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/4C/2D/wKioL1Q3uY-j5MMgAACbfrJJtok640.jpg "title=" 1.PNG " alt= "Wkiol1q3uy-j5mmgaacbfrjjtok640.jpg"/> RAID1 (Mirror)650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/4C/2D/wKioL1Q3ufyiOkzaAACQkt6mi1k438.jpg "title=" 2.PNG " alt= "Wki
devices. At this point, the SATA1 disk corresponds to third IDE master (the third IDE Channel Master disk), and the SATA2 port hard disk corresponds to fourth IDE master (Fourth IDE channel Master disk). S-ata: Serial hard drive enhanced mode, which theoretically supports 4 serial hard drives, but also depends on the
] CDB: Write (10): 2a 00 00 00 00 47 00 00 01 00 MD: super_written gets error =-5, uptodate = 0 MD/raid1: md0: disk failure on sdb1, disabling device. MD/raid1: md0: Operation Continuing on 1 devices. [[Email protected] ~] # Cat/proc/mdstat Personalities: [raid1] Md0: Active raid1 sdb1 [0] (f) sdc1 [1] 31438720 blocks super 1.2 [2/1] [_ u] Unused devices: If a fault occurs, we need to reconstruct raid1. Simulate recovery and add a new 30 GB
fast So so Number of writes Slc:10 million times/mlc:1 million times Unlimited Disk array Can Extremely difficult Working noise No Yes Operating temperature Very low More obvious Shockproof Ability Very good Poor Data recovery Difficult Easy Through the above detailed solid state
mechanical moving parts, no mechanical failure, no fear of collision, shock, vibration. This will not affect normal use even in the case of high-speed movement or even rollover tilt, and can minimize the likelihood of data loss if a laptop falls accidentally or collides with a hard object. Advantage 8. The operating temperature range is larger. A typical hard drive
. Raid: A disk array (default value) can be created for the hard disk on the SATA port of the motherboard ). You only need to adjust the priority of the serial and parallel ports according to the actual situation to use the SATA hard disk normally. (From the options above we can see that here the S-ATA hard
disk work together. What are the advantages of solid-state drives? The advantage of solid-state hard drives is that the internal reading and writing speed is very high, and the search speed is very fast. This speed can be used in the application, but also need to see the overall platform comprehensive indicators. Ideally, the solid-state hard disk with the common hard
tend to showcase the upper limits of their drive technology's throughput. However, taking the time to understand the throughput of your workload will help you Understand what true expectations to have of your underlying disk subsystem. Disk manufacturers tend to show off the maximum throughput of their drive technology, However, understanding the throughput of your workload will help you understand your re
The raid function on the motherboard is a false raid, but you can use dmraid on the Linux system to solve this problem. My computer system has three hard disks, one 20 gb ide hard disk and two sata gb hard disks, after the raid f
consult the domestic more professional Shanghai Day Shield Data Recovery Center. Shanghai Day Shield Data Recovery Center provides professional data recovery services such as HDD Open data recovery, HDD bad track repair, large disk array data recovery, server data recovery, database data recovery, mail recovery, etc. With mature and stable raid data recovery technology to solve RAID data recovery, it can s
theory we here but more discussion, we understand. Turn on motherboard AHCI mode 3, SSD solid State Drive optimization do not open the motherboard energy-saving mode Today's SSD solid-state drives are very high speed, 4K QD1 at random can be thousands of. In the high load running Division software (as SSD Benchmark, Crystal Disk mark, etc.) to test the ultimate speed of SSD, when the performance of
subsystem.Disk manufacturers tend to show off the maximum throughput of their drive technology,However, understanding the throughput of your workload will help you understand your real expectations for the disk subsystem;Random read/write workloads usually require several disks to scale.The bus bandwidths of SCSI or fiber Channel are of lesser concern.Larger databases with random access workload will benefit from having more disks.Larger SMP servers
have built-in RAID features or has been in the BIOS to turn off RAID features, you can not load the driver, directly install the system. Scenario four: Some motherboards from the IDE to the SATA transition period, SATA is turned off by default in the BIOS. You need to manually enable the line. SATA interface: Serial ATA (SATA, serial Advanced Technology attachment), also known as Serial ATA, is the twin
connect two IDE devices, the two cable interfaces are called IDE1 (primary) and IDE2 (secondary), and the two devices above each flat cable are called Master devices and Slave device , so there is a table with the following name:---------------------------------------------------| Ide1--master | /dev/hda || Ide1--slave | /dev/hdb || Ide2--master | /DEV/HDC || Ide2--slave | /DEV/HDD |---------------------------------------------------For SATA interface drives:Because the number of SATA
SCSI InterfaceFC-Represents: Fiber, provides up to 100mb/s data transfer rates, and supports hot-swappable WD-Rep: 68-pin Ultra Wide SCSI interfaceLW-Representative: 68-pin Ultra-2 SCSI (LVD) interfaceLC-representative: 80-pin Ultra-2 SCSI (LVD) interfaceAccording to the above, we can interpret the number as: Seagate hard disk, 3.5-inch half-height hdd, capacity of 120GB, with NCQ technology, the use of dual platters, for the 7th generation of Cool F
Access | Hard drive Remember when I was in www.itnow.com.cn, the site of the server often appear a little problem, sometimes the speed is very slow, sometimes OA can not, sometimes the site can not visit, encounter bad luck, OA and ITNOW.COM.CN are not login, this not only affected the normal operation of the site, but also reduced the access to the site Amount, plus Itnow server some space to rent to other
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