what inode

Today, a login server Web site found that login did not generate a session. Based on past experience, the session file generation failure is generally caused by a full space650) this.width=650; "Src=" Https://s1.51cto.com/oss/201710/31/3a3089af898212

Basic file Typesnormal files : The file contains information that is generated by the user, system, or application input, without any internal modification in the file system, as a purely byte stream.directory : Contains a list of file names and

Linux system Everything is a file, the system does not use the file name, and use the Inode number to identify the file, a file must occupy an inode, because each file must have an inode, it is possible that the inode has been exhausted, but the

The Inode concept in LinuxInode in LinuxTo understand the inode, begin with the file storage. The file is stored on the hard disk, then the smallest storage unit in the hard disk is called "Sector", here simply jump out, and tell you a simple

InnoDB in implementing a layer of logical storage space management based on file IO, table space uses a logical hierarchical structure: space, segment Inode, Extent and page. The logic in the implementation layer uses the disk-linked list structure

Linux-EXT2 file system details File System features For example, the Microsoft operating system before Windows 98 mainly uses the file system FAT (or FAT16). Versions later than Windows 2000 have the so-called NTFS file system, for Linux, the

Because the disk inode is used up, & quot; Nospaceleftondevice & quot; the file cannot be created in the/data Directory & gt; touchatouch: cannottouch 'a & amp; #39 ;: the Nospaceleftondevice disk only uses 61% & gt; df-hfile0000e. because the disk

Environment:Os:ubuntu14.04lts 64-bitinode:inode2.40-r0162 for Linux (this version is only 32-bit and is a long-lived version)Installation method:The first type: Main reference: Http://www.lxway.com/491008804.htmCheck whether the machine is 64-bit or

Establish a named pipe, Mknod mypipe p. The named pipe exists on the hard disk, and the pipeline is not. Open this named pipe through open, implemented through Sys_open () in the kernel, and filename is "***/mypipe ".For the relevant section, refer

What's the Inode node?Inode nodes are part of the file system, and the Inode node table contains only the attribute information of the file, so the design has many advantages,For example, when we want to access a file, instead of searching the

background:Since April 22, I've written--"inquisitive: How to cultivate interest from the Inode client"--more than three months ago today! Whether it is comments, e-mail or in person to communicate, a lot of people gave me feedback, in this

Customer can not mount storage, system exception. Login system, try to manually mount partition, reported failure. Enter the mount point, try to write a file, reported insufficient disk space, first suspect that the system disk space is full:$

Access time (atime) is changed when you read a file or execute a file.Modified time (mtime) is changed when writing a file that changes with the contents of the file.Create time (CTime) is the two changes that are changed with the inode content when

The file system on Linux is generally EXT2 or EXT3, but this article is not ready to talk about them directly, but I want to combine the Linux operating system and from the foundation of the file system-the hard disk to start, step-by-step

Learn about Linux file systems from InodeHard links and soft links are an important concept in the Linux file system, which involves index nodes (index node, also called Inode) in the file system, and the index node object is one of the four basic

Let's look at two graphs first:The first is the relationship between VFS and the specific file system:The second is the hierarchical structure of the Linux file system:Special files: Files used to implement "pipes", especially FIFO files for "Named

File system FeaturesFor example, the main file system used by Windows 98 's previous Microsoft operating system is FAT (or FAT16), and later versions of Windows 2000 have the so-called NTFS file system, as for Linux's Orthodox file system Ext2

Hard links and soft links are an important concept in the Linux file system, which involves index nodes (index node, also called Inode) in the file system, and the index node object is one of the four basic concepts of the Linux virtual file system (

This article was reproduced from: https://www.ibm.com/developerworks/cn/linux/l-cn-hardandsymb-links/Learn about Linux file systems from InodeHard links and soft links are an important concept in the Linux file system, which involves index nodes

MySQL series: Table space management for innodb source code analysis Innodb implements a logical storage space management layer based on file IO for table space. table space adopts a logical hierarchical structure: space, segment inode, extent, and