On 04/10/13 19:32, Duncan wrote: > Martin posted on Fri, 04 Oct 2013 16:47:19 +0100 as "condensed": > >> There's ad-hoc comment for various commands to recover from filesystem >> errors. >> >> But what do they actually do and when should what command be used? >> What do they do exactly and what are the indicators to try using them? >> Or when should you 'give up' on a filsystem and just retrieve whatever >> data can be read and start again? >> >> All that lot sounds good for a wiki page ;-) > > I recognize your name so you're a regular poster and may well have seen Hail fellow Gentoo-er ;-) This is a prod from the thread: http://article.gmane.org/gmane.comp.file-systems.btrfs/28775 > this recover steps/order post from Hugo Mills, but you didn't mention it, > so... > > http://permalink.gmane.org/gmane.comp.file-systems.btrfs/27999 > > As you suggest, that should really go in the wiki (maybe it's there > already since that post, I haven't actually checked recently, but your > post reads as if you looked and couldn't find a recovery list of this > nature), but I've not gotten around to creating an account for myself > there yet and committing it, and if no one else has either... > > But I do have it bookmarked for posting here, and for the day I do create > myself that wiki account, if no one else has gotten to it by then... > > And while that answers what and what order, it doesn't cover what the > commands actually do or why you'd /use/ that order, and that'd be very > good to add as well. Yep. I'm using this as a bit of a test case as to how best to recover from whatever inevitable hiccups. All the more important to gain a good understanding before doing similar things to 16TB arrays... Comment/advice welcomed (please). Thanks, Martin -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html