From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Dong Subject: Re: rootfs snapshots and rollback (i.e. testing updates) Date: Mon, 9 Nov 2009 11:24:31 -0500 Message-ID: References: <4AF82E78.1010200@wpkg.org> Mime-Version: 1.0 (Apple Message framework v1076) Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes Cc: linux-btrfs@vger.kernel.org To: Tomasz Chmielewski Return-path: In-Reply-To: <4AF82E78.1010200@wpkg.org> List-ID: Hi, I asked this question about a month ago, and the answer is roughly "It's theoretically possible with minor feature implementations to btrfs, though nobody's done it yet" On Nov 9, 2009, at 10:00 AM, Tomasz Chmielewski wrote: > Is it possible, with current btrfs: > > - to take a rootfs snapshot (i.e. prior to a major update), > > - do changes in the root filesystem (i.e. install major update), > > - if we don't like what the major update did to the system (rootfs), > "rollback" the snapshot and make it the "original" rootfs again > (perhaps, with a reboot in between). > > > > If it's possible, what would be the steps/commands? > > > -- > Tomasz Chmielewski > http://wpkg.org > -- > To unsubscribe from this list: send the line "unsubscribe linux- > btrfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html