find more information on ext2/3/4 filesystem

2013-09-20 2 min read Linux
English: Ext3 & Ext4 file systems: fsck time v...
English: Ext3 & Ext4 file systems: fsck time vs Inode Count (Photo credit: Wikipedia)

In my previous post on check filesystem regurlarly, I mentioned tune2fs. That tool give quite a lot of information. But just in case, you did not find what you are looking for in the output, then you can get much more information on these partitions with the dumpe2fs command.

Continue reading

Set some disk params to be safe

2013-09-05 3 min read Fedora Linux

It is always “Better safe than sorry” so, here are some things you
should do..

First check fstab, if you have partitions other than root then use UUID instead of device:

UUID=a8f13a0d-3f1f-42e4-b076-f44b4163306c /mnt/Backup     ext4 defaults,relatime 1 2

Then entries for all your mounts should be like above.
Points to note here :

Disk is mounted using the UUID and not with /dev/sdXX. This ensures
that even if your disk ids change, you will be able to mount them. To
get the partition UUID, you can execute :

Continue reading