> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
> boun...@opensolaris.org] On Behalf Of Euan Thoms
>
> pfexec zfs send rp...@first | pfexec zfs receive -u backup-pool/rpool
> pfexec zfs send rpool/r...@first | pfexec zfs receive -u backup-
> pool/rpool/ROOT
> pfexec zfs send rpool/ROOT/opensolaris-2009.06-...@first | pfexec zfs
> receive -u backup-pool/rpool/ROOT/OpenSolaris-2009.06-134
> pfexec zfs send rpool/d...@first | pfexec zfs receive -u backup-
> pool/rpool/dump
(and so on)

I notice you have many zfs filesystems inside of other zfs filesystems.
While this is common practice, I will personally advise against it in
general, unless you can name a reason why you want to do that.

Here is one reason not to do that:  If you're working in some directory, and
you want to access a snapshot of some file you're working on, you have to go
up to the root of the filesystem that you're currently in.  If you go up too
far and find a .zfs directory in some filesystem which is above your current
filesystem, then you can't find your snapshots.  You have to know precisely
which is the right .zfs directory to go into.

Also, as you've demonstrated, it makes your backup scripts much longer.


> #pfexec zfs umount backup-pool/rpool/export/home/euan/VBOX-HDD
> #pfexec zfs umount backup-pool/rpool/export/home/euan/Downloads

Instead of mounting & unmounting the external zfs filesystems, I would
recommend importing & exporting the external zpool.  No need to
mount/unmount.  It's automatic by zpool import/export.


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