From: David Eisner (cradle@umd.edu)
Date: Fri Aug 22 2003 - 12:09:38 EDT
The unanimous response is that it's OK to add logging on the fly
this way, and people do it all the time. Of course, the logging option
should also be added /etc/vfstab.
Thanks, and I hope those out-of-the-office are enjoying their vacations :-)
-David
Original question:
On Fri, 22 Aug 2003, David Eisner wrote:
>
> I have a Solaris 7 (sparc) box with a fairly large UFS data partition.
> It's currently mounted without UFS logging. I'd like to add
> logging without rebooting, with mount -o remount,logging ...
>
> I've tried this on a test filesystem, and it seems to work.
>
> However, the mount_ufs man page says the FS should be read-only:
>
> remount Remounts a read-only file system as
> read-write (using the rw option). This
> option can be used only in conjunction
> with the f, logging|nologging, m, and
> noatime options. This option works only
> on currently mounted read-only file sys-
> tems.
>
> I searched around, and there's some mention that the OS will try
> to temporarily lock the filesystem so that it works, and let
> you know if it can't.
>
> So, is it copacetic to add UFS logging on the fly in this way?
>
> Thanks.
>
> -David
------------------------+--------------------------+
David Eisner | E-mail: cradle@umd.edu |
CALCE EPSC | Phone: 301-405-5341 |
University of Maryland | Fax: 301-314-9269 |
------------------------+--------------------------+
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