. Although the work for a long time, but good welfare, 24 hours uninterrupted electric ups, and there are arrays, hot plug, a few people do a person's things, how easy ah. And also very face, only running critical applications, not like us here, what a messy thing to do. But I know, those hard drives are very powerful, not SCSI, is SCSIII FibreChannel, like me, IDE, can mix workstation even very good.I often think that when I was in the factory, if I
(i) The concept of hard disk and its composition
First of all, the concept of the hard disk: RTHK called the HDD, English name: Hard disk Drive, referred to as HDD, hard disk is one of the computer's main storage medium, consisting of one or more aluminum or glass-made discs
Top 10 hard drive saving strategies
In order to effectively save the data in the hard disk, in addition to regular backup work, we also need to learn how to save the hard disk when the hard disk fails, or extract useful data from the bad area, minimize the loss.
I.
and Ultra320 SCSI all represent a specific hard disk interface, and their speed varies considerably.
HDD Interface Classification
Ide
IDE's English is all called "Integrated Drive Electronics", namely "Electronic Integrated Drive", the common 2.5-inch IDE hard disk interface It is meant to refer to "
1.1956 years, IBM's IBM RAMAC is the prototype of a modern hard disk, it is equivalent to two refrigerator volume, but its storage capacity of only 5MB. 1973 IBM 3340 came out, it has "Winchest" this nickname, from his two 30MB storage unit, just the famous "Winchest rifle" caliber and the amount of ammunition. At this point, the basic structure of the hard disk is established.
In 2.198, two fo
There are two fault prompts for Hard Disk Self-check by microcomputer: "HDD Not Detected (Hard Disk Not Detected)" and "HDD Control Error (Hard Disk Control Error) ". The following describes how to fix the vulnerability.
First, wash your hands with water to clean the oil and sweat on your hands. At the same time, remove potential static electricity from your bod
A recent X3650 old server for testing broke a hard drive, the hard drive is on the RAID1 group, the hard drive model is SAS 15K 73GB. Because it is an old machine, replace the bad hard
Solid State Hard drive how to 4k alignment (text)
The solid-state hard disk 4k means that the solid state hard disk 4K alignment, in general, if the SSD 4K is not aligned, the hard drive read speed is very large, SSD
First of all, we need to understand how to call the "hard drive", because in the current Windows system environment, not only users in the use of the application software has read and write instructions to send the hard disk load, but may be in any idle situation, Defender, SuperFetch and other services will work in the background and cause the load, so when the
Common Fault One: the system does not recognize the hard drive
The system can not boot from the hard drive, boot from a disk can not enter the C disk, the use of the CMOS automatic monitoring function can not find the hard drive.
Method one, conventional way
Using a template may cause the virtual machine to have insufficient hard disk capacity and can be stored as data by adding a single hard disk.1. First use the DD command to create an image file size 10G under the default path:
DD bs=1m count=10240 If=/dev/zero of=/var/lib/libvirt/images/guest1_data.img
You can also use the QEMU-IMG command to create a specific reference: Cent
What to do when the computer starts to read the hard drive
Computer boot does not read the hard drive solution one:
1 Hard drive data cable or power cord interface loose.
2 The hard
At present, most of the mobile drives we use are USB interface, Plug and Play type, similar to U disk, we often use USB devices are also likely to encounter unrecognized mobile devices, this time we need to use the elimination method to solve, Need to determine whether the problem is the computer system or the mobile hard disk itself?
Generally speaking, mobile hard disk normal access to the computer, in M
. If the program is damaged, it cannot be booted from the hard disk, but the hard disk can be read and written after being started from the soft drive or optical drive. The solution to this fault is relatively simple. It is most convenient to use the FDISK of the higher DOS version. When the FDISK with parameters/mbr i
of the active partition. If the program is damaged, it cannot be booted from the hard disk, but the hard disk can be read and written after being started from the soft drive or optical drive. The solution to this fault is relatively simple. It is most convenient to use the FDISK of the higher DOS version. When the FDI
The computer does not detect the solution to the removable hard drive:
Generally speaking, mobile hard disk normal access to the computer, in My Computer or computer disk Management can see the new hard disk symbol, the simplest direct access to my computer can see the new mobile
Can a portable hard drive fit on a desktop? What's the difference between a desktop hard disk and a laptop hard drive? Admittedly, this is a lot of computer users like to ask a topic, the following computer Pepsi Net Small series of easy to understand the explanation.
1.BIOS self-test After the completion of the IDE, the speed is very slow, almost 20 seconds (hook up two hard drives, BIOS configuration of the IDE automatic monitoring).
2.IDE after monitoring, clear screen, the next step is the Windows splash screen, here again for almost 20 seconds.
In this way, it takes nearly 3 minutes for the system to boot up. I wonder, the configuration is not low Ah, P4 2.4GHz CPU, 512MB DDR memory ... Because there are one
MHDD is a Russian maysoft company produced professional hard disk tool software, with a lot of other hard disk tool software can not match the powerful features, now professional hard disk repair personnel with or MHDD this software, this shows MHDD powerful computer use for a long time, hard disk will appear a variety
What to do if your notebook can't find a removable hard drive
The notebook cannot find a solution to a removable hard disk:
1, first of all, we look at the computer failure when inserting a mobile hard disk, you will find that only part of the letter, because the small series of the mobile
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