mounted snapshots still writeable 1.5 years later (RE: kern/68576)

John Kozubik john at
Fri Nov 11 11:03:50 PST 2005

On Fri, 11 Nov 2005, Robert Watson wrote:

> Could you try it on 6.x?  There have been a number of changes relating to
> writable mounting and md devices in 6.x in order to correct related
> problems, and my understand was they should also fix this one.  FYI,
> locally, I get:

I don't have a 6.x system running, but I could this weekend.

> peppercorn# mdconfig -a -t vnode -f test
> WARNING: opening backing store: /mnt/.snap/test readonly
> md1
> peppercorn# mount /dev/md1 /mnt2
> mount: /dev/md1: Read-only file system
> peppercorn# mount -o rdonly /dev/md1 /mnt2
> peppercorn# ls -l
> total 2
> drwxrwxr-x  2 root  operator  512 Nov 11 18:56 .snap
> peppercorn# mount -uw /mnt2
> mount: /dev/md1: Read-only file system

Was this ^^^ on a 6.x system ?


John Kozubik - john at -

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