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    8/26/2009

    拯救了一块病入膏肓的硬盘

    【一月前同学来电,曰电脑异常,时死机、断电,后清灰解决。
    一周前亦此人来电,曰时而找不到硬盘,时而磁盘检错死机。
    遂让其带盘而来,吾亲自把脉诊断。】

    图片根据回忆制作,部分图片可能与事实不符,点击看大图

    日立的硬盘,160G,支持SATA2。同学说他每次开机都有磁盘差错,而且每次都死机。跳过的话倒是可以正常的进入windows。

    scandsk

     

    之前让他在家里先检查一下磁盘有没有物理坏道,结果很不幸~~
    后经证实位于C盘的77%位置

    坏道badblock

    我拿到盘以后先是打开diskgenius,软件报错:【硬盘2序号0柱面错误,序号5柱面错误,分区信息溢出】,我没有让他自动修复

    MAXTOR 160G

    然后打开PTDD,winPM,都报错~~~囧
    PTDD【分区1起始磁道错误,分区2起始磁道错误,现为254,应该是1,分区2结尾磁道溢出,分区3起始磁道错误,现为254,应该是1,分区3结尾磁道溢出】,而且上面的图形只显示了一个扩展分区

    PTDD00

    PM没有报错,但是从图形界面上可以看出已经不正常了(磁盘0是我自己的硬盘~~)

    顺便普及一下windows分区知识(以磁盘0为例):C盘是主分区,后面的DEFG在一个蓝绿色的框里面,叫扩展分区,然后可以在里面细分小区。一个基于MBR分区表的磁盘最多可以有4个主分区(或3 个主分区,1 个扩展分区和无限制的逻辑驱动器)

    PM00

    我尝试修复了J盘的分区位置信息,然后重启,这次windows自带的磁盘检测倒是可以正常进行了(赞叹一下盗版的封装技术,原版的话只要换了芯片组就会蓝屏),而且检测出了不少文件系统错误,以及一个坏道~之后可以正常的进入同学的系统

    但是windows只是在坏道所在的位置“摆放了”一个无法移动的文件,由于该硬盘所在主机经常断电,我还是想尝试修复一下。经过检测,坏道位置在2110柱面,软件强制对此位置进行多次消磁/上磁,试图回复他的活力~。   修复成功。

    DG-error

    接着是对扩展分区进行修复,先花了3小时备份了将近130G的数据,然后尝试用软件修复:
    删除L,然后扫描分区表重建(此方法能保留数据),依旧报错;
    删除L,手动重建分区(数据破坏),报错;

    由此看来,是扩展分区出了问题(囧),没办法,先删除K,L,然后再删除扩展分区,然后进行逆向操作(建立分区),软件检查分区表后不在报错~

    PM01

    PTDD01

    之后再往里面回灌之前备份的数据就ok了

    各个分区的状态

    概览

     

    顺便把他的格式由原来的FAT32转换成了NTFS,然后做了下磁盘整理

    碎片 

     

    修复后的磁盘信息:

    DG-j

    DG-ex

    DG-k

    DG-l

    Comments (2)

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    弸龙wrote:
    学习一下
    Oct. 3
    建清 阮wrote:
    修复起来真不容易啊…………
    Aug. 26

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