DragonFly bugs List (threaded) for 2009-10
Re: hammer mirror-copy from old hammer version to new hammer version screws up completely
Matthew Dillon wrote:
:When performing a mirror-copy from an old hammer version to a new
:version, no directory contents appear. the pfs is basically unusable,
:yet uses up disk space.
:THIS IS EXTREMELY ANNOYING AND DANGEROUS. WHY IS THIS STILL NOT FIXED?
:This is a great opportunity to completely destroy all your data. EXCELLENT!
Well, this is the first time I've heard of this. A mirror-copy
from an old hammer to a new one should work fine in theory. Are you
sure you weren't copying the other way around? Copying a new hammer
to an old hammer would not work.
It was certainly from old to new. This happened before and I reported
on IRC, but considered it as an error on my part. Now it happening
again means that something is really wrong.
Was it a clean mirror-copy or did you forcefully downgrade a master
into a slave first?
Clean hammer mirror-copy /path/to/old-pfs /path/to/nonexisting-new-pfs
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