Carl Fink wrote:
> On 2/17/20 5:00 AM, Klaus Singvogel wrote:
> > elvis wrote:
> > > On 17/2/20 3:10 pm, Gene Heskett wrote:
> > > > Greetings all;
> > > > 
> > > > I am trying to remove as much write activity as possible from the u-sd
> > > > that a raspi boots from.  To that end I'll create a partition on an ssd,
> > > > of 5000 megs, then copy the existing /tmp's contents to it it, then
> > > > mount the ssd partition of that name on top of it where it is in the
> > > > u-sd now. A partition labeled tmp-u-sd-temp would be about the least
> > > > mistake prone to put in /etc/fstab. I did this once at least a decade or
> > > > more ago because I outgrew the /home/partition but can't in 2020
> > > > remember the fstab syntax a decade+ later.
> > > > 
> > > > Can someone help
> > > This is not the asked solution to the problem, but why not just have your
> > > root on nfs? No need to worry about any writes to the card then.
> > I, for myself, have the problem, that can't catch him.
> > 
> > He is speaking about a u-sd, but I'm only familiar with: ssd or usb.
> > Both sound similar, are different to handle, and at the end it's something
> > completly different he want's to know.
> > 
> 
> I believe he means a "micro SD" and is using the letter "u" to stand in for
> Greek mu.

Thanks. This clarifies it.

The synatx of fstab is so often to find in the net, that I don't want
to copy&paste it again. Look at: https://wiki.debian.org/fstab

Some hints from me:

- I prefer using UUIDs for instead of device names (see above link)

- /tmp is usually not the place where a lot of data is written.
  Noisy places are:
  - /var/log, and especially /var/log/journal
  - swap spaces, please check via your /proc/swaps
  - caches, like firefox, chromium uses in /home/<user>/.<something>
  - database files, found in /var/lib/<database>

Best regards,
        Klaus.
-- 
Klaus Singvogel
GnuPG-Key-ID: 1024R/5068792D  1994-06-27

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