Harry Putnam wrote:
Reading various bits of google output about send/receive I'm starting
to wonder if that process is maybe the wrong way to go at what I want
to do.
I have a filesystem z1/projects I want to remove it from the z1 pool
and put it in a z2 pool ending up with z2/projects. With all the same
data, same mountpoint (/) and same name (/projects).
The examples I see of send/receive end with a new data set but it has
the name format of a snapshot.
man zfs shows:
zfs receive [-vnF] filesystem|volume|snapshot
zfs receive [-vnF] -d filesystem
But it claims the second usage is for creating a backup.
The first usage appears it would result in a new dataset with an
unfortunate name as one finds in snapshosts with `@' character.
You can only send/receive snapshots. However, on the receiving end,
there will also be a dataset of the name you choose. Since you didn't
share what commands you used, it is pretty impossible for us to
speculate what you might have tried.
The example from Opensolaris Bible shows.
zfs send tank/f...@trip | zfs receive newpool/c...@trap
I don't want a name with a @ in it... so just a little confused as to
which of the two or neither is appropriate for my usage.
I want to destroy the z1/projects fs when done moving to z2 pool. So
do I simply zfs send z1/proje...@most_recent|
zfs receive z2/proje...@starter
Then zfs rename z2/proje...@starter z2/projects
zfs destroy z1/projects
I'm worried I'd end up with a read-only /projects or some other
unfortunate thing.
Or would it be best to go the lonq way.
zfs create z2/projects
zfs set mountpoint /new/projects
rsync/ or cp -a the contents of /projects to /new/projects
zfs destroy z1/projects
zfs set mountpoint=/projects z2/projects
The ZFS Administration Guide has additional examples.
-- richard
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