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Re: created a pfs inside a pfs :-( what to do?


From: YONETANI Tomokazu <qhwt.dfly@xxxxxxxxxx>
Date: Thu, 30 Sep 2010 22:04:41 +0900

On Thu, Sep 30, 2010 at 01:52:13PM +0530, Siju George wrote:
> I happened to run
> 
> #hammer pfs-master sgeorge-home
> 
> inside another pfs :-(
> 
> now it shows as
> 
> lrwxr-xr-x  1 root     100         10 Sep 30 13:43 sgeorge-home -> @@PFS00008

The sgeorge-home above is just a stale symlink and you can simply rm it.

The command has created a new PFS which you can access as /pfs/@@-1:00008,
assuming that this HAMMER filesystem is mounted as /pfs.

$ hammer pfs-status /pfs/@@-1:00008

should display the information of the PFS you've just created.

To destroy this PFS, first create a symlink to it, then pfs-destroy
on the symlink.

# ln -s @@-1:00008 /pfs/oops
# hammer pfs-destroy /pfs/oops

However, this:

# hammer pfs-destroy /pfs/@@-1:00008

left me with the PFS downgraded to slave and failed.  Upgrading this
to master, create a symlink to it, then destroying it also worked.

# hammer pfs-upgrade /pfs/@@-1:00008
# ln -s @@-1:00008 /pfs/oops
# hammer pfs-destroy /pfs/oops

Cheers.



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