Re: ZFS no longer mounted in alphanumerical order

On Tue, 12 Mar 2019 11:37+0100, Jan Martin Mikkelsen wrote:

> > On 12 Mar 2019, at 10:37, Trond Endrestøl <Trond.Endrestol_at_fagskolen.gjovik.no> wrote:
> > I concocted a shell script, it looks promising:
> > 
> > #!/bin/sh
> > #-
> > # Parallel mounting of ZFS filesystems leaves a chaotic listing of
> > # mounted filesystems when viewed by df(1).
> > # Separating the header from the remaining lines and sorting the
> > # latter before recombining is a viable solution.
> > #-
> > 
> > DF=/bin/df
> > 
> > ${DF} ${_at_} | grep    ^Filesystem
> > ${DF} ${_at_} | grep -v ^Filesystem | sort -k 6
> > 
> > # new-df.sh
> 
> An alternative sort approach, which handles df arguments which change the number of columns, and only invokes df once:
> 
> ${DF} "$_at_" | awk '/^Filesystem/ { print; sort = "sort -k " NF } ! /^Filesystem/ { print | sort }’

Well, yes and no, mostly no.

Why are we feeding each line from df(1) separately to sort(1)?
It defeats the entire purpose. No sorting takes place.

We might be better off accumulating the majority of the lines and 
sorting them in an END block.

-- 
Trond.