Date: Wed, 12 Nov 2014 17:31:12 -0600 From: "Gene" <fbsd@brightstar.bomgardner.net> To: Mike Tancsa <mike@sentex.net>, Gene <fbsd@bomgardner.net>, Freebsd Questions <FreeBSD-questions@freebsd.org> Subject: Re: FBSD 10, zfs, can't find mountpoint for /usr Message-ID: <20141112232934.M54977@brightstar.bomgardner.net> In-Reply-To: <5463A22C.7030006@sentex.net> References: <20141112161610.M95499@brightstar.bomgardner.net> <54638E16.6070607@sentex.net> <20141112172332.M24598@brightstar.bomgardner.net> <5463A22C.7030006@sentex.net>
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On Wed, 12 Nov 2014 13:08:44 -0500, Mike Tancsa wrote > On 11/12/2014 12:28 PM, Gene wrote: > > OK - so on the older system, if I wanted to take a snapshot of, say /usr/ > > local/etc, I would have to snapshot /usr (/usr being the upstream > > mountpoint). > > Yes, you would typically do a UFS snapshot like that. > > > So now, if I want a similar snapshot of /usr/local/etc, any idea > > what the path would be? Can't do /usr, it's no longer a mountpoint. > > Ditto /usr/local. Snapshoting "/" maybe? Would that no longer capture the > > entire pool? Hmmmm.... > > Yes, it would indeed be / > > ZFS snapshots are VERY efficient and fast. So dont worry about the > space they take. If just a few MB changed, the space it takes to > keep that snapshot wont be much bigger than the few MB. Here is one > of my servers with a default install and daily snapshots. As you can > see, / does not register as it doesnt get updated that often. /var > does, which makes sense due to the logs. But even there, it seems > quite efficient and economical. > > # zfs list zroot > NAME USED AVAIL REFER MOUNTPOINT > zroot 7.24G 88.7G 96K none %>< snip > ---Mike And that solves the problem. Thank you for your help. Gene > > -- > ------------------- > Mike Tancsa, tel +1 519 651 3400 > Sentex Communications, mike@sentex.net > Providing Internet services since 1994 www.sentex.net > Cambridge, Ontario Canada http://www.tancsa.com/ --
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