Re: Measuring (or calculating) how many bytes are actually written to disk when I repeatedly save a file
- Date: Sun, 7 Apr 2019 23:22:41 +0300
- From: Reco <recoverym4n@xxxxxxxxxxxx>
- Subject: Re: Measuring (or calculating) how many bytes are actually written to disk when I repeatedly save a file
On Sun, Apr 07, 2019 at 10:10:58PM +0200, Carles Pina i Estany wrote:
> On Apr/06/2019, rhkramer@xxxxxxxxx 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:
> 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.