On Mon, 8 Apr 2019 at 22:38, <rhkra...@gmail.com> wrote: > On Sunday, April 07, 2019 04:22:41 PM Reco wrote: > > On Sun, Apr 07, 2019 at 10:10:58PM +0200, Carles Pina i Estany wrote: > > > > In my SSDs I have: > > > /sys/fs/ext4/dm-0/lifetime_write_kbytes > > > > > > I'm not sure if this is specific for SSD? > > > > No, it's not. It's filesystem-specific though. > > Meaning - you have to use ext4 to see this attribute, but the device > > where the ext4 filesystem resides does not matter. > > Well, to clarify, if you have multiple ext4 filesystems, does that represent > the sum of lifetime_write_kbytes of all of those filesystems?
No, the device is in the path, after the filesystem type. The device above is dm-0. Here's an example from this machine, for device sda10: $ cat /sys/fs/ext4/sda10/lifetime_write_kbytes 8589077 A quick search found this (it's not recent) which might give you some things to try: https://serverfault.com/questions/238033/measuring-total-bytes-written-under-linux
