From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: References: From: Venkatesh Srinivas Date: Wed, 17 Nov 2010 12:14:35 -0500 Message-ID: To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [9fans] Anyone using p9p or Plan 9 venti as a more generic backup system? Topicbox-Message-UUID: 841f6018-ead6-11e9-9d60-3106f5b1d025 On Wed, Nov 17, 2010 at 11:51 AM, David Leimbach wrote: > I'm giving consideration to maintaining a venti-based setup for my house = for > all the digital media we have (since getting our Apple TV, we've had more > stuff to stream around the house). > I've just now started playing with things like vac/unvac, to backup and > extract trees of my HFS+ file system and I wonder about a few things. > What do people do if they ever lose their venti scores? =C2=A0Seems like = this is > "handle-less" data now, and fairly useless. > I figure I could keep a vac archive of venti scores, then I'd only need t= o > "remember" one, and name the files I store the scores in reasonably, but = if > that's lost... what are my options? > Dave There is a script floating around (dumpvacroots or somesuch) that lets you recover vac scores given access to the venti arenas. I'd be very careful with vac -m and -a on Unix; both have been at the root of considerable data-loss on a unix venti for me. I'd recommend vac-ing tarballs, rather than using vac's on unix trees directly. But your mileage may vary... -- vs