[gpfsug-discuss] wait for mount during gpfs startup

[Hannappel, Juergen]

Hi,
a gpfs.mount target should be automatically created at boot by the
systemd-fstab-generator from the fstab entry, so no need with hackery like
ismountet.txt...


----- Original Message -----
> From: "Jonathan Buzzard" <jonathan.buzzard at strath.ac.uk>
> To: gpfsug-discuss at spectrumscale.org
> Sent: Tuesday, 28 April, 2020 13:38:01
> Subject: Re: [gpfsug-discuss] wait for mount during gpfs startup

> Yuck, and double yuck. There are many things you can say about systemd
> (and I have a choice few) but one of them is that it makes this sort of
> hackery obsolete. At least that is one of it goals.
> 
> A systemd way to do it would be via one or more helper units. So lets
> assume your GPFS file system is mounted on /gpfs, then create a file
> called ismounted.txt on it and then create a unit called say
> gpfs_mounted.target that looks like
> 
> 
> # gpfs_mounted.target
> [Unit]
> TimeoutStartSec=infinity
> ConditionPathExists=/gpfs/ismounted.txt
> ExecStart=/usr/bin/sleep 10
> RemainAfterExit=yes
> 
> Then the main unit gets
> 
> Wants=gpfs_mounted.target
> After=gpfs_mounted.target
> 
> If you are using scripts in systemd you are almost certainly doing it
> wrong :-)
> 
> JAB.
> 
> --
> Jonathan A. Buzzard                         Tel: +44141-5483420
> HPC System Administrator, ARCHIE-WeSt.
> University of Strathclyde, John Anderson Building, Glasgow. G4 0NG
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