|====================............|*fsck.vfat provide a way to view the bad blocks on a drive. fsck.ext3 should provide a way to get the list of bad blocks out of the drive. (Currently we have to run dumpe2fs) dumpe2fs is actually a very useful util, for developers mostly though. (and bad blocks check as above) tune2fs lets us set the mount count, which forces a check when the system reboots (why can't distros also run other checks in this read-only mounted state?) Set the mount count with -C 4096 to force a check on the next boot (as that number is higher than the max-mount-counts) e2image useful for dumping the filesystem to a file for analysis purposes. debugfs is an interactive filesystem debugger. Tips Give your partitions a name with the tune2fs -L command, to make it simpler to identify your drives. You can also do this when creating your partitions by passing the name to: mke2fs -L (GNU+Linux distributions still aren't setting meaningful names like "boot", "root" and "home" as partition labels, doh!). The e2label /dev/sda1 Root_FS command achieves the same result as using tune2fs. Check the name of your partition by calling: dumpe2fs -h /dev/sdxx You can also name your Swap partition, first disable swap, then setup a new swap file in it with the name: # swapoff /dev/sdb1 # mkswap -L SWAP_DRV /dev/sdb1 You can list the labels of your partitions by using the "blkid" shell command too! As fdisk -l only gives the partition types. Never had success reading S.M.A.R.T. from GNU+Linux, always didn't support my drives. smartctrl is part of that live disc, so you may be lucky if you try. (I'm informed the atausb driver mgiht support S.M.A.R.T. although my drive uses ata_piix driver) Finally, be really careful when using these commands, as you could destroy your data! If you ever need it, you can force the kernel to sync and remount all filesystems read-only by pressing Ctrl + Alt + SysRq + s, followed by Ctrl + Alt + SysRq + u. Then do Ctrl + Alt + SysRq + b to reboot the system.
Labels: file-systems, GNU-Linux
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