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Sometimes we need to grab the entire U-disk as an ISO file, this ISO can be used to burn discs, of course, you can also use the software to burn him back to the other U-disk.Linux is a command that satisfies our first need. Let's take Ubuntu, which runs under the VBox virtual machine, for example. And the green software under Windows WIN32 Disk Imager satisfies our second requirement.-----------------------
1 Basic concepts of disk 1 Track (orbital), Cylinder (cylindrical), sector (sector), head (heads) 2 representation of disks in Linux systems 1 Linux all devices are abstracted into files saved in/dev directory 2 The name of the device is generally hd[a-z] or sd[a-z],[a-z] is a partition number, such as HDA, HDB, SDA, SDB 3 IDE device name is hd[a-z], SATA, SCSI, SAS, USB etc device name is sd[a-z] 3 Concept of Zoning 1 d
Applicable platform: AIX HP Linux win SolarisApplicable version: all databases 10.1.0.2 to12.1.0.1Suitable for RAC and standaloneTake the RAC environment as an example: Assume that Oracle is an Oracle RDBMS group and that the grid is a GI group;For asmlib users:RAC Environment GI owner executes the following command1, #/etc/init.d/oracleasm Scandisks # (root user execution)$> ID$>/etc/init.d/oracleasm Listdisks$>/etc/init.d/oracleasm Querydisk All nodes must be executed;2, at the operating syste
Linux disk management commands and usage examples, linux disk command examplesLinux disk management Linux disk management is directly related to the performance of the entire system. Linux disk management commonly uses three commands: df, du, and fdisk. Df: list the total
Recently a friend went to the computer city to buy a 16G u disk, the computer with the Golden Hill poison PA's U disk authentication test results show that the actual capacity of only 4 G, and suggested that it is shrinking u disk. Friends immediately went to buy a U disk where to find business, merchant wrong, obedien
Open Windows system computer, see the first hard disk partition is C disk, excuse me, A and B disk where? The so-called hard disk partition number is the disk character, that is, the drive letter, is the Microsoft System computer to drive (Driver) and the name of the way an
Linux _ disk management and linux disk management I. linux disk management Ii. Actual operations [root@hadoop09-linux ~]# fdisk /dev/sdbDevice contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabelBuilding a new DOS disklabel with disk identifier 0x2859532e.Changes will remain in memory only, until
56 kbps/8 = 7 kbps, that is, 7 kb of Data downloaded per second. In the operating system, the disk capacity is 1024 in hexadecimal format between GB, MB, and kb. Hard Disk manufacturers usually calculate the disk capacity based on 1 GB = 1000 MB and 1 MB = kb. What is 1 mbps bandwidth? What is the difference between 1 M D
Use the following command to determine and record the hardware address of the disk to be an image Disk: ioscan-FNC DiskIn this example, the disk used as an image is/dev/DSK/c1t0d0. Please refer to the help pages of each command used below to better understand these commands.Create a root volume group image: 1) swlist-l bundleIf the system has been installed, th
Yesterday brain heat installed an Ubuntu, do the front-end found suddenly no IE is not accustomed to, but today will be loaded back, the problem came, U disk has been made of Ubuntu startup disk, how to install win7 ...In this case, I have two solutions:1, go to the next dorm with a friend's computer to make the USB flash drive disk2, in their own UBUTNU the U disk
A problem occurred some time ago, that is, a data file in the RAC environment was put on a local hard disk instead of in the ASM disk group. It's a strange phenomenon. A problem occurred some time ago, that is, a data file in the RAC environment was put on a local hard disk instead of in the ASM disk group. It's a stra
The department needs a remote shared server for a Linux system and requires a boot disk installation. However, because the company Windows system has installed security software, and the use of software is also limited. So you can not use ultraiso such software to make U disk boot disk. Fortunately, there is an Ubuntu system in the department, so I made a setup
Do not want to shut down the system directly add disk, found that the Linux system does not automatically recognize the newly added hard disk;1. View the existing disk, only one disk SDA;[Email protected] ~]# fdisk-ldisk/dev/sda:21.5 GB, 21474836480 bytes, 41943040 sectorsUnits = sectors of 1 * MB = bytesSector size (l
There are a number of tools available to make WIN8 mobile hard disk installation disks, such as Windows 8 USB Installer maker,windows 7 Usb/dvd Download tool, and so on, but today we share one of the simplest methods that do not require the use of these tools ( I also see from the network of others to share, only as a summary, not my original method: Preparatory work: ISO image of 1.WINDOWS8 2.WinRAR Compression Tool Method: 1. Create a
From a friend to borrow a volume produced a good U disk, after used very much like. How do you make a USB disk that looks exactly like it? Now let's talk about the steps in this area. First ready to utraiso this software, but also have their own U disk corresponding mass production tools. First, the mass production of a U
We are in the PC installation XP system or the beginning of the Windows7 system, usually to set the startup items, in general, the system is the default boot from the hard disk. If you use the U-disk system, how to set up from the U disk? Hua Zi online to teach you to learn. 1, into the BIOS settings, this more complex. 2, find the computer model of the shortcu
When you open a hard disk or USB drive, you need to format it. View the hard drive and U disk properties partition format for raw (normal format should be FAT32 or NTFS), I believe many friends have encountered this situation, if the format, important documents are not, many friends are very headache, I have a problem with the hand of a U disk, Note: Do not press
First, download Download the latest version of the Jju tray System tool. Second, the installation 1. Double-click the installation file "jjupan_2.0" of the downloaded Jju disk System in the step above to run the installer. 2. Click the "Install" button on the interface to start the installation of the tool, as shown in figure: 3. After the installation is complete, the "Jju Disk Mount System" sho
Linux Disk partition table, file system view, statistical tools, some of the tools are multi-functional, not only to view the disk partition table, but also to do disk partitioning operations, but in this article, we only talk about the disk partition view, as well as the use of the partition view; This article is only
In some urgent cases, the user will make their own u disk into a U disk boot disk to start repair computer, we all know, u disk can not be used as a disk after the same as ordinary U disk to use, if you really want to use the U
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