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Date:      Mon, 17 Apr 2000 23:51:46 GMT
From:      Salvo Bartolotta <bartequi@neomedia.it>
To:        freebsd-questions@FreeBSD.ORG
Subject:   re-reading /etc/fstab ...
Message-ID:  <20000417.23514600@bartequi.ottodomain.org>

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Dear FreeBSDers,

yet another question :-)

If I turn on e.g. the "noatime" option on a ufs filesystem (eg "/" or 
"/usr"), and I want to have my /etc/fstab re-read, I seem to 
understand that I have to reboot.

Alternatively, If I do NOT wish to reboot, I should issue a "shutdown" 
command (with no options whatsoever), unmount the filesystem(s), and 
remount them. 

The problems arise with the "/" filesystem. Incidentally, "mount -u /" 
might damage it. In particular, I seem to understand that switching 
from read only to read/write is harmless; whereas switching from 
read/write to read only may actually damage the FS -- especially if 
this happens a few times. 

Is there a safe way to turn the option on without rebooting in such 
cases ? Am I (yawn) missing anything trivial ?

Many, many thanks for your help (and patience !)

Best regards,
Salvo





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