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  • linux磁盘检测和修复

    显示磁盘和闪存的信息,以及分区信息

    [root@bogon shell]# fdisk -l
    
    Disk /dev/sda: 21.5 GB, 21474836480 bytes, 41943040 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk label type: dos
    Disk identifier: 0x00043062
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sda1   *        2048      616447      307200   83  Linux
    /dev/sda2          616448     4810751     2097152   82  Linux swap / Solaris
    /dev/sda3         4810752    41943039    18566144   83  Linux
    
    
    #坏道/坏块检查
    [root@bogon shell]# badblocks /dev/sda1
    [root@bogon shell]# badblocks -v /dev/sda1      #-v显示检查过程
    Checking blocks 0 to 307199
    Checking for bad blocks (read-only test): done                                                 
    Pass completed, 0 bad blocks found. (0/0/0 errors)
    [root@bogon shell]# 
    
    
    #使用smartmontools工具扫描坏道
    yum install smartmontools -y    #安装工具
    [root@bogon shell]# smartctl -H /dev/sda1       #检查/dev/sda1健康状况
    smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.10.0-514.el7.x86_64] (local build)
    Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
    
    === START OF READ SMART DATA SECTION ===
    SMART Health Status: OK
    
    [root@bogon shell]# 
    
    
    
    e2fsck用于检查和修复ext3和ext2文件系统的硬盘分区,不过这个命令还有专有形式:fsck.ext3, fsck.ext2分别用于检测ext3和ext2。
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  • 原文地址:https://www.cnblogs.com/biaopei/p/7730564.html
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