关机后，Ubuntu 启动失败，fsck 提示

debugcn 发表于 Dev

瑜伽士

我忘记插上充电器，我的系统关闭了。之后，我尝试启动 Ubuntu，但 HP 徽标显示时间过长，因此我按电源按钮强制关机。之后就出现了这个错误。

Error reading block 1315...(input/output error)
Run fsck manually

这个错误出现了：

海尼玛

fsck

让我们首先修复您的文件系统...

在 (initramfs) 提示符下，键入： fsck -f /dev/sda10
fsck如果有错误，请重复该命令
类型 reboot

NCQ

然后我们停止 NCQ 错误...

本机命令队列 (NCQ) 是串行 ATA 协议的扩展，允许硬盘驱动器在内部优化执行接收到的读取和写入命令的顺序。

Edit sudo -H gedit /etc/default/grub and change the following line to include this extra parameter (ignore any warning messages). Then do sudo update-grub to write the changes to disk. Reboot. Monitor hangs, and watch /var/log/syslog or dmesg for continued error messages.

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash libata.force=noncq"

bad blocking

Then we test for bad blocks on the disk...

Note: do NOT abort a bad block scan!

Note: do NOT bad block a SSD

Note: backup your important files FIRST!

Note: this will take many hours

Note: you may have a pending HDD failure

Boot to a Ubuntu Live DVD/USB in “Try Ubuntu” mode.

In terminal...

sudo fdisk -l # identify all "Linux Filesystem" partitions

~~sudo e2fsck -fcky /dev/sdXX # read-only test~~

sudo e2fsck -fccky /dev/sdXX # non-destructive read/write test (recommended)

-k 很重要，因为它保存了之前的坏块表，并将任何新的坏块添加到该表中。如果没有 -k，您将丢失所有先前的坏块信息。

-fccky 参数...

   -f    Force checking even if the file system seems clean.

   -c    This option causes e2fsck to use badblocks(8) program  to  do  a
         read-only  scan  of  the device in order to find any bad blocks.
         If any bad blocks are found, they are added  to  the  bad  block
         inode  to  prevent them from being allocated to a file or direc‐
         tory.  If this option is specified twice,  then  the  bad  block
         scan will be done using a non-destructive read-write test.

   -k    When combined with the -c option, any existing bad blocks in the
         bad blocks list are preserved, and any new bad blocks  found  by
         running  badblocks(8)  will  be added to the existing bad blocks
         list.

   -y    Assume  an answer of `yes' to all questions; allows e2fsck to be
         used non-interactively.  This option may not be specified at the
         same time as the -n or -p options.

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