In vmware linux, after a new disk is added, refresh the disk, scan the SCSI bus again, and add the SCSI device without restarting the VM.
[Root @ centos4 scsi_host] # ls
Host0 host1 host2
[Root @ centos4 scsi_host] # fdisk-l
Disk/dev/sda: 21.5 GB, 21474836480 bytes, 41943040 sectors
Units = sectors of 1*512 = 512 bytes
, and a large number of connected devices.Fiber Channel is designed for multiple hard drive systems like servers, it can meet the high data transmission rate requirements of high-end workstations, servers, mass storage sub-networks, and peripherals for Bidirectional and serial data communication through hubs, switches, and point-to-point connections.
Optical Fiber Channel disk interface Diagram
In disk in
In the course of using a notebook computer, if you encounter a panic, power off, and other abnormal shutdown situation, and then the next time the boot will often appear in the imagination of disk scanning, even if the next normal shutdown, in the next boot will also appear this situation, in the end is what causes the notebook computer boot when the disk scan, H
① Click Start → run. In the run dialog box, enter regedit to open the Registry Editor and select the hkey_local_machine \ system \ currentcontrolset \ control \ session manager subkey, then, find the "bootexecute" key value in the right window, clear the value, and press "f5" to refresh the registry.
② After logging on to WinXP as an administrator, enter "chkntfs/x [drive letter]" in the Command Prompt window. For example, if you want to block a scan
Disk self-healing features NTFS utilizes a "self-healing" system that automatically detects and fixes logical and physical errors on the hard disk. In the FAT16 and FAT32 times, we need to use the ScanDisk program to mark bad sectors on disk, but when errors are found, the data is often written in bad sectors, and the damage is done.
Computer illegal shutdown, a
OriginalPrevious blog wrote the shortest Seek first algorithm (SSTF)--Disk scheduling management: http://www.cnblogs.com/chiweiming/p/9073312.htmlThis article introduces the scanning algorithm (scan)-Disk scheduling management, which has similar fragments to the previous code, but is more difficult than the shortest path-seeking first algorithm.(The topic is a bl
Scan your hard disk with Linux operating system commandsIn the system "messages" log to see the file system anomalies, the use of Linux operating system commands to check the system partition can quickly locate the hard disk failure.PrecautionsBadblocks command to scan the hard dis
When a reboot is recorded in the Windows log with an abnormal shutdown and a panic, the system automatically runs the ScanDisk program when it starts. By default, scanning each partition before
Wait 10 seconds, if each partition waits 10 seconds to start the scan, plus the time it takes to scan itself, it can take a long time to complete the boot process. For this situation I
You can set the wait time to
A Unix operating system may paralyze the system after a sudden power failure. At this point, the Unix operating system is not as good as that of Microsoft. In the event of a power failure, the Windows operating system will automatically detect and recover when it is restarted, But Unix will not. We need to manually execute The fsck command to scan for recovery.Generally, if the super block and Inode block on the hard
the current directory, and do not want to see other directories and their subdirectories:Du-sh User-S means that a summary value is listed onlyDu-h--max-depth=0 User--max-depth=n means that only deep into the nth-level directory, where set to 0, means not to go deep into subdirectories.7> lists the size of all directories and files under the user directory and its subdirectories:Du-ah User-a means including directories and files8> lists the size of the directory in the current directory that do
Believe that many Win7 64-bit flagship users will encounter such a problem, when you insert a U disk after the computer, the system will pop-up prompts said: U disk needs to scan the disease repair. Under normal circumstances, the user will follow the system prompts to select "Scan and repair" option, but after this op
Description: A computer installed Win7 system failure, every boot will be a disk scan, and each will be scanned every partition once. In addition, in the process of running often crashes or blue screen phenomenon.
Reason analysis: Win7 system Hardware Quality requirements are relatively high, if the hard disk has bad road problems, it will appear this fau
We know that every time the computer is powered on, will be in the process of scanning the hard disk, scanning each partition, this is the system every time necessary steps, but also for the security of the system, but recently many friends found that ghost win7 in the disk scan often appear blue screen fault, Even cause the computer to crash and restart, then en
win7 System insert u disk eject "scan and fix" What's going on?
1, press the "Win+r" key combination to open the run, in the Run box, enter "Services.msc" press ENTER to open the service window;
2. In the pop-up service interface, find the "Shell Hardware Detection" option on the right, double-click to open. As shown in the following figure
3, double hit open "Shell Hardware Detection" serv
1. First of all, we need to install this MSE anti-virus software in our own Win7 flagship computer, this is a free anti-virus software, we can search directly on the Internet to download it. It is to be noted that we need to download this compressed file package Mseautoplay.zip.
2. After we extract the compressed package mseautoplay.zip, we will get Mseautoplay.reg (registry key file), Msescan.vbs (VB Script file) and Undo.reg these three files.
3. Next, we double-click the Mseautoplay.reg fil
Users who have used Windows XP know that a disk scan of Windows XP can only be done on boot, but is there anything you can't do to face the full screen of English? In fact, the disk scan of Windows 2000/xp/2003 can display Chinese completely.
1. Scan only not fix
We right-
Win7 flagship download, many users will be on the boot of the disk to scan, and each will be scanned every partition once, but a lot of users found in the run when there will be a direct crash or blue screen phenomenon, this is what is going on? The following small series for you to explain the Win7 flagship download after the boot disk
Article Title: Description of the disk scan process in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Usually, SCSI bus adapters exist as PCI devices. The locations in the computer architecture are shown in:
Location of scis host and device in Computer Architectu
A Unix operating system may paralyze the system after a sudden power failure. At this point, the Unix operating system is not as good as that of Microsoft. If a power failure occurs, the Windows operating system will automatically detect and restore the system when it is restarted, but Unix won't... A Unix operating system may paralyze the system after a sudden power failure. At this point, the Unix operating system is not as good as that of Microsoft. In the event of a power failure, the Window
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.