Clive McBarton wrote:
Ron Johnson wrote:
Note that "Last write time:" might not mean what you think it does. I
say that because on my system /dev/sda2 is / and I've written a whole
bunch of data to it in the past 25.5 days, yet the LWT still matches the
LMT.
Very interesting. I wasn't surprised that they match for me, since I
mount it read-only, so as soon as my kernel is up enough to read and
care about /etc/fstab, it will not modify it anymore anyway. It's
interesting to know that even people with read-write partitions see
similar behavior.
As I mentioned in my previous post analyzing the code, the last write time
specifies the last *superblock* write time. Since the kernel does
everything it can not to touch anything if read-only, it has to be mount(8),
when it updates the last mount time (which explains why they always match).
I'd really look at the boot loader now.
-thib
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