On Wed, Jul 15, 2015 at 10:45:21PM -0400, dan mclaughlin wrote: > On Wed, 15 Jul 2015 22:23:43 +0200 Erling Westenvik > <[email protected]> wrote: > > Hi, > > > > I've tried to do my homework (man ddrescue, info ddrescue, google) but > > think I might need some OpenBSD spesific advice before embarking on my > > first attempt ever to salvage data from a dying disk. > > > > Issue: > > > > I don't have a spare disk that is large enough to make a raw copy/image > > of the original disk, so I'm forced to work directly with the original > > disk. That involves bioctl(8) to unlock the crypto volume and then > > hoping to be able to extract only /var (i.e /var/mysql) into an image > > file or a partition on a safe disk using ddrescue. > > > > Question: > > > > ddrescue is said to be able to extract partitions and there are lots of > > examples from Linux world, but for OpenBSD - which descriptor to use? > > /dev/sd1e or the raw descriptor /dev/rsd1e? > > > > Any advice will be much appreciated. Thanks in advance, > > > > Erling > > > > i've only used it on the 'c' partition myself, but i did so using the > 'r' device. good luck.
Thanks. Benny Lofgren kindly pointed me to a recent thread @misc (http://marc.info/?l=openbsd-misc&m=143553135332179&w=2) and I'm going to follow his and others advice found there. Erling
