[SunHELP] unmount / filesystem

[Edward Chase]

Perhaps the original poster wants to emulate Norton Utilities...

I do believe that in the original post, the poster said he was a 
newbie.  Perhaps he trusts his Solaris as much as many of us trust our 
Windows...



At 01:38 PM 7/6/2001 +0100, bscanlan at irish-times.com wrote:
>On Fri, Jul 06, 2001 at 01:38:53PM +0200, Low, Adam wrote:
> > Yep, thats right, a Solaris box needs a file system to run the 
> operating system, if you unmount that filesystem the operating system 
> cant operate and therefore you need to boot from another device 
> (CD/floppy/other drive) which has its own independent file system.
>
>You can't unmount the root filesystem. Well, you can, using
>kdb, but it'll mean a panic pretty damn quickly
>(See PANIC!, the crash dump book...).
>
> > To be honest I'm having trouble understanding why you would want to do 
> this anyway ?
>
>There's no good reason, afaik.
>
> > > Yes, that is the safest and actually only way of doing it.
>
>You could possibly lock the filesystem.
>
>But it's trivial anyway, because there's no good reason to run
>fsck when you're not booting the machine afaik. Why on earth
>does the original poster want to run fsck while the system's
>up? You can tell Solaris to panic if it suspects potential
>file system corruption, if that's what you're really worried
>about, thus forcing a fsck, actually, from reading
>the mount_ufs manpage, that's what Solaris will do.
>
>Brian.
>--
>Brian Scanlan, Systems Administrator.
>Irish Times New Media - http://www.ireland.com

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  Edward F. Chase III     |   echase at providence.edu
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