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Date:      Tue, 11 Dec 2012 10:55:10 +0330
From:      takCoder <tak.official@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   mount -u effects
Message-ID:  <CAPkyVLzO1yG2VS_FNarxn-UNaJ=Wu%2B5RfDw%2BysmoTUfT=5eoSA@mail.gmail.com>

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hi all,

i'm trying to move from freebsd to nanobsd on my server.. so i have a ro
partition.. but there are few times i have to upgrade my binary files on
this bsd server, so i need to change my ro partition to a rw one during
upgrade phase..

via googling, i found out that i can use "mount -u" on the mentioned
device, and then after doing whatsoever needed, when i restart my server
the ro permission will be back via applying old fstab..

i tested this method and it was ok for my need :)

but i have no idea what kind of effects it may have on my server.. i
couldn't find anything but suggestions about not to use this so often.. and
i really need to know why?? cause my bsd server is not allowed to be missed
almost at all..

i think that because this -u option is just increasing my permissions in
this case, there won't be a danger for my server. is that true?!

really waiting for your points on this case.
special thanks in advance,
takCoder



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