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) * 2 sides * 18 + 0 sides 15th sectors 18 sectors + 1 side 15th sectors 7 sectors-115*2*18 + 18 + 7-1When a = 1 S = B * 18*2 + 18 + C-1When a = 0 s = B * 18*2 + C-1GENERAL: S = B * 18*2 + 18 * A + C-1S = B * 18*2 + 18 * A + C-1C = (S % 18) + 1A = (INT (S/18) % 2B = int (S/36)Cluster: The smallest unit allocated to the file by the disk. 1 cluster = 2n sector, n =, 2 ,........Sector: The smallest unit of disk
also let S6 look more translucent, touch very smooth, but also not easily contaminated fingerprints, and in the color of the four-color optional, the different color of the feeling is completely different. In addition the machine 5.1 inch size of the display, the display effect is good, the whole machine feel is also very comfortable. Samsung Galaxy S6 Front is equipped with a 5.1-inch Super AMOLED dazzli
OPPO R7(2499 yuan) OPPO R7 Front with a 5-inch capacitive touch screen, the resolution is 1920x1080 pixel FHD level, the display effect is good. The core is built with a MediaTek MT6752 eight core processor and a 3GB RAM+16GB ROM memory combination that runs smoothly based on the Android 4.4 version of the Color OS 2.1 system. The back of the fuselage also has a 13 million-pixel main lens, including LED
On the early morning of the 19th, Apple released the latest official version of ios6, xcode4.5, and 10.8.2. the upgrade was completed one day and one night with the company's network updated yesterday. It took several minutes to upgrade the original app perfectly, supporting 1136*640 resolution. Since the app was originally compatible with the iPhone/iPad, that is, the devices is set to universal, the upgrade process is very simple. 1. Update content of the new version xcode4.5 First, we w
This March, Apple released an iphone se phone with a screen size of just 4 inches. In Apple's official statement, the large-screen mobile phone is now a trend, but there are still a small number of users of small-screen mobile phone sentiment has a unique clock. Coincidentally, Nubian general manager NI on the Micro-blog on the launch of mobile screen research, more than half of users vote to express their preference for small screen phones, based on this market and user research, Nubian was rel
Work Assignment Descriptionin the previous project, When HT company deployed Windows Server for HW , it added 3 8G ( experimental analog ) hard Drives, Required to complete the following actionsProject requirements: Upgrade These 3 disks to dynamic disks. Create a simple volume on disk 1 with a size of 10M, formatted as NTFS, and the volume labeled E: when you are done, expand volume E, provided by dis
Work Assignment DescriptionIn the previous project, HT company deployed Windows Server 2008 for HW, and acquired 3 8G (experimental emulated) hard drives, which required the following actionsProject requirements:1. Upgrade these 3 disks to dynamic disks.2. Create a simple volume on disk 1 with a size of 10M, formatted as NTFS, and the volume labeled E:3. After completion, expand the E volume, provided by disk
Work Assignment DescriptionIn the previous project, HT company deployed Windows Server 2008 for HW, and acquired 3 8G (experimental emulated) hard drives, which required the following actionsProject requirements:1. Upgrade these 3 disks to dynamic disks.2. Create a simple volume on disk 1 with a size of 10M, formatted as NTFS, and the volume labeled E:3. After completion, expand the E volume, provided by disk
Article Title: Fault Tolerance Analysis of RAID-5 Disk Arrays. 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. In the previous article "linux.chinaitlab.com/administer/778593.html" target = _ blank>Playing with disk arrays in
Windows dynamic disk volumes: configuration operations for simple volumes, cross-zone volumes, with-zone volumes, image volumes, and RAID 5 volumes Windows Server 2003 provides a new disk management method to improve disk performance and fault tolerance. By upgrading a basic disk
U disk must have 5 software I believe you have more than one of the hands of a U disk. So, what can you do with your USB flash drive in addition to storing files? I'm afraid this is a problem that many friends often think about. So today, I would like to introduce you to a few small software, let them to help you "play turn" in the hand of the U
Recently, the server encountered a small problem. I had to redo raid. I found an article on the Internet. I felt very careful. I 'd like to share it with you. Record the record when the server is reinstalled and share it with you. Hardware RAID 5: Recently, I personally assembled a 1u rack-mounted storage server with an 8-hard drive using a dual-core P4 820d processor. During the assembly process, I created a dis
To configure failover clustering for customers today, on Windows Server R2 systems, after Dell storage on the iSCSI connection, you can find new simple volumes, spanned volumes, striped volumes, mirrored volumes, RAID-5 volumes, and so on in Disk Management: Have never touched these before, so I learned a few online, the following are their introductionSimple volumeA simple volume is a volume in a separate
(1) RAID introduction: Redundant Arrays of independent disks (RAID, RedundantArrayofIndependentDisks), formerly known as Redundant Arrays of cheap disks (RAID, RedundantArrayofInexpensiveDisks), or hard disk arrays. The basic idea is to put multiple relative... (1) RAID introduction: Redundant Array of Independent Disks (RAID, Redundant Array of Independent Disks), formerly known as Redundant Array of cheap Disks (RAID, Redundant Array of Inexpensive
1. What is RAID5? Raid Level 5 is a storage solution that combines storage performance, data security, and storage costs. It uses the Disk Striping technology. RAID 5 requires at least three hard disks. Instead of backing up the stored data, RAID 5 stores the data and the corresponding parity information on each
Soft RAID I. Concepts The stored data is separated and stored, and then staggered and stored on all disks that constitute the array. 1. The data read and write speed is greatly improved, but the read and write speed is lower than the total read and write speed of all disks. 2. the available space is the sum of all disk spaces. 3. data redundancy is not provided. The disk stores the same data and provides
data, this data will record the backup data of other disks for rescue when the disk is damaged. Because of the same check code, the total capacity of the RAID5 is reduced by a chunk of the overall disk count.RAID5 only supports the damage of a piece of disk by default. Spare disk preparation capabilities.is one or mor
data, this data will record the backup data of other disks for rescue when the disk is damaged. Because of the same check code, the total capacity of the RAID5 is reduced by a chunk of the overall disk count.RAID5 only supports the damage of a piece of disk by default. Spare disk preparation capabilities.is one or mor
Disk management-RAID 5 What is RAID 5raid Level 5 is a storage solution that combines storage performance, data security, and storage costs. It uses the Disk Striping technology. RAID 5 requires at least three hard disks. Instead of backing up the stored data, RAID
information bytes, so the most common is each sector 4 partition information, dense arrangement of 32 sectors. The correct counting method is however a partition information per 128 bytes, which is densely ranked of 128. When the sector is not 512 bytes (Note that this is not confused with the cluster, I have not seen the memory is not 512-byte sector), each sector storage partition information may not be 4, the following program to circumvent this problem, a new
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