硬盘分区丢失后的恢复技巧!
https://weibo.com/ttarticle/p/show?id=2309405163033482625066
https://weibo.com/ttarticle/p/show?id=2309405163033499664722
https://weibo.com/ttarticle/p/show?id=2309405163033553928457
https://weibo.com/ttarticle/p/show?id=2309405163033759449323
https://weibo.com/ttarticle/p/show?id=2309405163033772294355
https://weibo.com/ttarticle/p/show?id=2309405163033822626078
https://weibo.com/ttarticle/p/show?id=2309405163033839403115
https://weibo.com/ttarticle/p/show?id=2309405163033948192825
https://weibo.com/ttarticle/p/show?id=2309405163033965232200
https://weibo.com/ttarticle/p/show?id=2309405163034011369657
https://weibo.com/ttarticle/p/show?id=2309405163034023952529
https://weibo.com/ttarticle/p/show?id=2309405163034200113309
https://weibo.com/ttarticle/p/show?id=2309405163034208502242
https://weibo.com/ttarticle/p/show?id=2309405163034564755704
https://weibo.com/ttarticle/p/show?id=2309405163034585727231
https://weibo.com/ttarticle/p/show?id=2309405163034594377900
https://weibo.com/ttarticle/p/show?id=2309405163034623475758
https://weibo.com/ttarticle/p/show?id=2309405163034753761657
https://weibo.com/ttarticle/p/show?id=2309405163034787315984
https://weibo.com/ttarticle/p/show?id=2309405163034795704752
https://weibo.com/ttarticle/p/show?id=2309405163034812481938
https://weibo.com/ttarticle/p/show?id=2309405163034988380332
https://weibo.com/ttarticle/p/show?id=2309405163034992574653
https://weibo.com/ttarticle/p/show?id=2309405163035001225315
https://weibo.com/ttarticle/p/show?id=2309405163035034779898
https://weibo.com/ttarticle/p/show?id=2309405163035244232960
https://weibo.com/ttarticle/p/show?id=2309405163035256815886
https://weibo.com/ttarticle/p/show?id=2309405163035277787155
https://weibo.com/ttarticle/p/show?id=2309405163035298759060
https://weibo.com/ttarticle/p/show?id=2309405163035432976416
https://weibo.com/ttarticle/p/show?id=2309405163035474919680
https://weibo.com/ttarticle/p/show?id=2309405163035487502400
https://weibo.com/ttarticle/p/show?id=2309405163035529445617
https://weibo.com/ttarticle/p/show?id=2309405163035777171560
https://weibo.com/ttarticle/p/show?id=2309405163035814920293
https://weibo.com/ttarticle/p/show?id=2309405163036020179340
https://weibo.com/ttarticle/p/show?id=2309405163036213379092
https://weibo.com/ttarticle/p/show?id=2309405163036523757847
https://weibo.com/ttarticle/p/show?id=2309405163033650659699
https://weibo.com/ttarticle/p/show?id=2309405163033742934273
https://weibo.com/ttarticle/p/show?id=2309405163034086605066
https://weibo.com/ttarticle/p/show?id=2309405163034179141735
https://weibo.com/ttarticle/p/show?id=2309405163034267222472
https://weibo.com/ttarticle/p/show?id=2309405163034359497001
https://weibo.com/ttarticle/p/show?id=2309405163034451509367
https://weibo.com/ttarticle/p/show?id=2309405163034678001973
https://weibo.com/ttarticle/p/show?id=2309405163034845773992
https://weibo.com/ttarticle/p/show?id=2309405163034980253946
https://weibo.com/ttarticle/p/show?id=2309405163035148026172
https://weibo.com/ttarticle/p/show?id=2309405163035353547121
https://weibo.com/ttarticle/p/show?id=2309405163035462336737
https://weibo.com/ttarticle/p/show?id=2309405163035575844878
https://weibo.com/ttarticle/p/show?id=2309405163035689091339
https://weibo.com/ttarticle/p/show?id=2309405163035789492370
https://weibo.com/ttarticle/p/show?id=2309405163036087550017
https://weibo.com/ttarticle/p/show?id=2309405163036221505782
https://weibo.com/ttarticle/p/show?id=2309405163037404299278
https://weibo.com/ttarticle/p/show?id=2309405163037496836394
https://weibo.com/ttarticle/p/show?id=2309405163037605888046
https://weibo.com/ttarticle/p/show?id=2309405163037970530348
https://weibo.com/ttarticle/p/show?id=2309405163038159536209
https://weibo.com/ttarticle/p/show?id=2309405163038339891336
https://weibo.com/ttarticle/p/show?id=2309405163038478303261
https://weibo.com/ttarticle/p/show?id=2309405163038629298534
https://weibo.com/ttarticle/p/show?id=2309405163039010980052
https://weibo.com/ttarticle/p/show?id=2309405163039124226199
https://weibo.com/ttarticle/p/show?id=2309405163039233277960
https://weibo.com/ttarticle/p/show?id=2309405163039467896877
https://weibo.com/ttarticle/p/show?id=2309405163039665291347
https://weibo.com/ttarticle/p/show?id=2309405163039782731924
https://weibo.com/ttarticle/p/show?id=2309405163039937921218
https://weibo.com/ttarticle/p/show?id=2309405163040046973251
https://weibo.com/ttarticle/p/show?id=2309405163040176996419
https://weibo.com/ttarticle/p/show?id=2309405163040319603046
https://weibo.com/ttarticle/p/show?id=2309405163040432587110
https://weibo.com/ttarticle/p/show?id=2309405163040541900950
https://weibo.com/ttarticle/p/show?id=2309405163040692896049
https://weibo.com/ttarticle/p/show?id=2309405163040797491571
https://weibo.com/ttarticle/p/show?id=2309405163040906543196
https://weibo.com/ttarticle/p/show?id=2309405163041023983673
https://weibo.com/ttarticle/p/show?id=2309405163041116258454
https://weibo.com/ttarticle/p/show?id=2309405163041246281835
https://weibo.com/ttarticle/p/show?id=2309405163041346945146
(0)
最佳答案
针对硬盘分区丢失后的恢复,可参考以下步骤:
1. 确认分区状态与故障原因
检查硬件状态:通过HDM或BIOS确认硬盘是否被识别,排除物理故障(如硬盘损坏、线缆松动)。
查看日志信息:通过dmesg或journalctl日志分析错误原因(如I/O错误、文件系统损坏等)。
验证分区表:使用fdisk -l或lsblk查看当前磁盘分区信息,确认分区是否存在或损坏。
2. 使用文件系统修复工具
ext4文件系统:
fsck.ext4 -y /dev/sdX # 替换sdX为实际分区
强制修复(慎用):
fsck.ext4 -f /dev/sdX
XFS文件系统:
xfs_repair /dev/sdX
强制修复(可能丢失数据):
xfs_repair -L /dev/sdX
NTFS/FAT文件系统:
Windows环境下使用chkdsk工具,Linux下使用:
ntfsfix /dev/sdX # NTFS
fsck.vfat /dev/sdX # FAT
3. 恢复分区表或挂载配置
fstab错误修复:
- 若因/etc/fstab配置错误导致无法挂载,进入救援模式,注释错误行或修正UUID/挂载点。
- 使用blkid获取分区UUID,更新fstab。
重建分区表:
- 使用testdisk或gpart扫描并恢复丢失的分区表:
testdisk /dev/sdX
- 按提示选择磁盘类型(如Intel分区),执行深度扫描恢复分区。
4. 数据备份与逻辑恢复
挂载临时分区:
mount /dev/sdX /mnt # 尝试挂载分区到临时目录
若成功,立即备份数据到其他存储。
逻辑卷(LVM)恢复:
- 若使用LVM,检查物理卷、卷组状态:
pvscan
vgscan
lvscan
- 激活卷组并挂载:
vgchange -ay
mount /dev/vg_name/lv_name /mnt
5. 高级恢复工具
使用ddrescue克隆磁盘:
若硬盘存在物理损坏,优先克隆数据:
ddrescue /dev/sdX /path/to/backup.img /path/to/logfile.log
后续对镜像文件进行修复操作。
专业数据恢复软件:
PhotoRec:恢复丢失的文件(支持多种格式)。
R-Studio:适用于复杂分区丢失场景(需Windows环境)
6. 预防措施
定期备份:使用工具(如rsync、dd)或RAID阵列保护数据。
监控硬盘健康:
smartctl -a /dev/sdX # 查看S.M.A.R.T.状态
避免误操作:谨慎执行分区删除、格式化命令。
关键提示
操作前备份:恢复过程中可能导致数据二次损坏,优先备份原始磁盘。
硬件故障优先处理:若硬盘存在物理损坏(异响、无法识别),立即断电并联系专业恢复服务。
(0)
如果防火墙需要备份Boot ROM程序的扩展段,可以采用如下方法:
第一步:进入Boot菜单(操作方法见8.1 ),选择<7>,进入Boot ROM操作子菜单;
第二步:在Boot ROM操作子菜单中选择<4>,这样当前的Boot ROM程序扩展段将被复制到FLASH中。
Backup Extended Segment, are you sure?[Y/N]
键入<Y>,则开始备份;
如果备份成功,则提示信息如下:
Writing to FLASH.Please wait...####
Backuping Boot ROM program to FLASH successed!
第三步:当再次出现Boot子菜单时,选择<5>,退出并重启防火墙即可。
在Boot ROM程序扩展段出现问题或被误升级的情况下,可以将以前在FLASH中备份的Boot ROM程序扩展段重新恢复到Boot ROM中,方法如下:
第一步:进入Boot菜单,选择<7>,进入Boot ROM操作子菜单(菜单内容如上所示);
第二步:在Boot ROM操作子菜单中选择<3>,从FLASH中恢复Boot ROM程序扩展段,会出现如下提示:
Restore Extended Segment, are you sure?[Y/N]
键入<Y>,则开始恢复;
如果成功恢复,则出现如下提示:
Writing to Boot ROM.Please wait...######
Restoring Boot ROM program successed!
(0)
暂无评论
亲~登录后才可以操作哦!
确定你的邮箱还未认证,请认证邮箱或绑定手机后进行当前操作
举报
×
侵犯我的权益
×
侵犯了我企业的权益
×
抄袭了我的内容
×
原文链接或出处
诽谤我
×
对根叔社区有害的内容
×
不规范转载
×
举报说明
暂无评论