replacing internal hard drive

power. 3.USB extension Cord Failure to remove the above two reasons may be the USB interface type does not match the mobile hard disk can not be used. For example, the computer configured USB interface is 1.1 standard, and the purchase of the mobile hard disk is the USB 2.0 standard interface, which requires connecting the computer and mobile hard

than the bad sector size), divided the bad channel partition is not used to achieve the purpose of isolation. Isolation is only a temporary solution, it is recommended to replace the hard disk as soon as possible, because the bad channel will spread to avoid serious data problems later.As the disk's bad path continues to accumulate, it can have a devastating effect on your disk or flash capacity, and may even cause the

Many friends feel that the notebook's hard disk is not enough, and do not like to use mobile hard disk, so I want to change a hard disk notebook, but do not know how to install the hard drive notebook, the following to introduce you. 1. Unplug the battery on your laptop bef

Test hard drive Bad Sectors in CentOS Hard Disk status testing tools: smartctl, Badblocks, hdparm You can quickly see whether the hard disk is healthy by using smartctl. The command is as follows: [Root @ qy ~] # Yum installsmartmontools-y Start SMART # Smartctl -- smart = on -- offlineauto = on -- saveauto = on/dev/sd

Mobile hard drive There is a noise can't read out what to do The main reason why a mobile hard disk cannot be recognized or opened by the computer is due to insufficient power supply on the USB interface. It is recommended that you use a standard mobile hard drive data cabl

The hard drive is the most important device in the computer, just like the home safe, which stores our most important things. Once the safe is in trouble, the loss is huge. For the computer, the hard drive is the same reason, and the cost of replacing the

Today a bit of time, suddenly think of the new company, the server's hardware has a failure, and now write down to give friends a little experience to share I remember the time when the people who were in my post were leaving, the manager took me to the computer room familiar with the environment, by the way to replace the backup tapes (backup tapes have to be replaced manually, I dizzy AH), because into the room need to access documents, I do not have documents, it needs to wait for the

Installation system can not find a hard drive solution First of all, we find the reason from the periphery, a hard drive to work first must have a power supply, there is an IDE line with the motherboard. Therefore, do not recognize the hard

Disk media in the storage area is the most critical device, and all data and information is stored on disk media. The reading speed of the data is determined by the connection interface of the disk media. We used to do data storage through SCSI or SATA interfaces and hard drives. But in recent years a new technology has increasingly been favored by small and medium-sized enterprises and even large enterprises. Is the SAS technology and its correspondi

chassis and tighten each screw. In addition to the work process do not directly move the hard disk and mobile chassis, you need to move the computer to remember to take care of the light, to prevent hard disk collision caused damage. 2, dust Dust on the hard disk damage is very large, it can be said that dust is the number one killer of the

Hard disk identification for Linux: After 2.6 kernel, Linux will identify the hardware devices, under the/dev/to establish the appropriate device files. such as: SDA represents the 1th SCSI hard drive HDA represents the 1th IDE hard disk (that is, the master port connected to the 1th IDE interface) The scd0 represe

All of our important data is saved on disk, and when we go into Windows Disk Manager, we find that the disk is displayed as "dynamic disk is invalid", then the data on this disk cannot be read. Invalid disk Dynamics Some friends show that dynamic disk is invalid after replacing the chassis or replacing the computer accessories in the chassis; Some friends use the mobile disk, the mobile

The data cannot be deleted because the hard drive cannot be added. So the method of using mount to another machine (137) space. As follows:1, 137 on Vim/etc/exportsAdded:/mnt/data/mongodb 192.168.10.135 (Rw,no_root_squash)Then: EXPORTFS-RV2, Mount 137 of the space to the local,Mount-t nfs-o RW 192.168.10.155:/mnt/data/mongodb/data/mongodb3, Stop 135 MongoDB, Kill-2 PID4, the original starting mode: Toolbox/

, for SSD drives, because the internal structure is different, not recommended defragmentation, here is not explained.) ), you can look at my d disk inside the space utilization, not continuous, such as:Note: The operation of the operating system on the file is more complicated than this, for example, delete the file does not actually delete from the sector, otherwise the recovery can not recover files, specific to see the operating system knowledge.　

out the external large capacity cache, claiming that it can not rely on large capacity capacitance, can ensure data security and reliability It is true that the data loss of electricity is really greatly alleviated, but, in fact, SF2000 series master control inside, in fact, there is a certain amount of buffer existence. Therefore, external high-capacity capacitance is still one of the optional reference scheme! In fact, this problem is very good solution. Now let's take a look at

Speed: Refers to the drive spindle motor per minute (drive disk) of the speed, such as 5400 RPM on behalf of the hard drive spindle speed of 5400 revolutions per minute. Desktop hard disk speed is still 7200 rpm, and the main notebook speed is from 5400 to 7200 rpm, performa

The speed of hard disk is one of the key factors to determine the internal transmission rate, which directly affects the user's daily data storage. So the faster the speed, the faster the hard disk looks for files, and it means the faster the transmission. More thoroughly, most laptops now use mechanical hard drives th

HP a record of replacing a new hard disk on the serverI contacted three kinds of servers,Dell ,IBM,hp, each time the hard drive is not recognized disk, I do not know where to start, for this record. first, the newly swapped disk needs to be formatted to be recognized or raid . of Course the newly bought serve

workload is more random in Nature, then the bottleneck is likely to involve the disk drives, and adding more drives will Improve performance. If the workload is sequential and the bandwidth pressure of the controller is high, the solution is to add a faster disk controller; If the workload is random, the bottleneck may be the hard drive. increasing the driver can improve the performance; . Add more disk d

computer, and then click OK. 5. Select the driver from the list of results, and then click Next. Follow the on-screen instructions to continue installing Windows 7. Updating drivers for computer chip sets In some environments, computers that use a specific type of chip set (part of your computer's internal hardware) and that have an advanced formatted hard drive