Date: Thu, 30 Jan 2020 21:20:53 +0100 From: Polytropon <freebsd@edvax.de> To: "Steve O'Hara-Smith" <steve@sohara.org> Cc: freebsd-questions@freebsd.org Subject: Re: Back up to disk automatically when disk is inserted Message-ID: <20200130212053.70be690d.freebsd@edvax.de> In-Reply-To: <20200130145320.dbee4bc33ac4d6e7cf73604c@sohara.org> References: <12be8560-91ac-f800-4ca2-84175227d280@netfence.it> <20200130142046.c1dc5c57.freebsd@edvax.de> <20200130145320.dbee4bc33ac4d6e7cf73604c@sohara.org>
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On Thu, 30 Jan 2020 14:53:20 +0000, Steve O'Hara-Smith wrote: > On Thu, 30 Jan 2020 14:20:46 +0100 > Polytropon <freebsd@edvax.de> wrote: > > > On Thu, 30 Jan 2020 09:10:35 +0100, Andrea Venturoli wrote: > > > Failing this, is there some way for my script to check whether the boot > > > process has already ended? > > > > You could do the following: Check /var/log/messages and look > > for the _timestamps_ of > > <snip> > > Slightly less inelegant, compare the inode change timestamp of the > device entry with the last reboot time. > > In shell ls -lc /dev/whatsit and last reboot will get the data - if > they differ by more than a minute it wasn't there at boot. Your solution is _more_ elegant than mine. The significant advantage is that the /var/log/messages file might experience a logfile turnover and therefore be empty. Depending on log rotation policy, files can be quite big, and grepping requires more time than parsing a distinct ls output. :-) -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...
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