Hi. On Sun, Apr 07, 2019 at 10:10:58PM +0200, Carles Pina i Estany wrote: > > Hi, > > On Apr/06/2019, rhkra...@gmail.com wrote: > > > Can anyone confirm that, and, if so, suggest any way of measuring how much > > is > > written to a given file in a given time period (e.g., per day)? > > > > I guess at a very deep level (I mean like at the level of the disk firmware > > or > > driver level), this may differ between an SSD and an HDD -- if you have any > > insight into that, I'd appreciate that. > > 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. Reco