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Andrew Schulman
Asked: 2013-12-19 01:08:07 +0800 CST

last time a filesystem was checked?

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What command can tell me the last time that a filesystem was fsck'd? A date would be nice, but I'd settle for the mount count since the last fsck.

I've looked all around for this in fsck*, lsattr, and stat, and I don't see it.

linux

5 Answers

  1. tune2fs -l gives you that information for ex.

    sudo tune2fs -l /dev/sda1 | grep "Last checked"

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  2. You can use tune2fs to get the information 

    tune2fs -l /dev/devicetocheck | grep "Last Checked"

    Similarly you can get the mount count 

    tune2fs -l /dev/devicetocheck | grep "Mount Count"
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  3. Apart from tune2fs -l, dumpe2fs will also give you this information:

    dumpe2fs /dev/sda1 | grep "Last Checked"
dumpe2fs /dev/sda1 | grep "Mount Count"
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  4. Thanks everyone! And for reiserfs I found that debugreiserfs shows the mount count and last fsck run date.

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  5. if one uses lvm

    tune2fs -l /dev/sda5 | egrep -i "mount count|Check interval|Last|Next"

    will fail with:

    tune2fs: Bad magic number in super-block while trying to open /dev/sda5

    one will have to do like this:

    tune2fs -l /dev/hostname-vg/root | egrep -i "mount count|Check interval|Last|Next"
Last mounted on:          /
Last mount time:          Wed Sep  4 17:45:12 2019
Last write time:          Wed Sep  4 17:45:10 2019
Mount count:              20
Maximum mount count:      -1
Last checked:             Fri Aug 30 16:09:19 2019
Check interval:           0 (<none>)
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