From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from email.routify.me ([162.208.10.182]:47390 "EHLO cartman.routify.me" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934427AbcA0Wpw (ORCPT ); Wed, 27 Jan 2016 17:45:52 -0500 Received: from fox.rh.rit.edu (fox.rh.rit.edu [129.21.125.28]) by cartman.routify.me (Postfix) with ESMTPSA id 3863181EE0 for ; Wed, 27 Jan 2016 17:45:51 -0500 (EST) Date: Wed, 27 Jan 2016 17:45:49 -0500 From: Sean Greenslade To: Btrfs BTRFS Subject: Re: RAID1 disk upgrade method Message-ID: <20160127224549.GA4891@fox.rh.rit.edu> References: <20160122034538.GA25196@coach.student.rit.edu> <20160123214127.GA601@fox.wireless.rit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Sat, Jan 23, 2016 at 05:03:15PM -0700, Chris Murphy wrote: > Just make sure you have backups before, during, and after all of this, > which should be the case no matter Btrfs or not. Mixed extent types > should work fine, but who knows you could get into an edge case at a > later time for all anyone knows. Looks like skinny extent became > default in btrfs-progs 3.18. OK, disks have arrived, and I've completed the first replace. Interestingly enough, the replace seems to have succeeded, however btrfs fi show doesn't seem to think so. Dmesg: [Wed Jan 27 13:03:09 2016] BTRFS info (device sdb1): disk space caching is enabled [Wed Jan 27 13:03:09 2016] BTRFS: has skinny extents [Wed Jan 27 13:03:09 2016] BTRFS: bdev /dev/sdb1 errs: wr 0, rd 186, flush 0, corrupt 0, gen 0 [Wed Jan 27 13:05:23 2016] sdc: sdc1 [Wed Jan 27 13:05:25 2016] sdc: sdc1 [Wed Jan 27 13:08:37 2016] BTRFS: dev_replace from /dev/sdb1 (devid 2) to /dev/sdc1 started [Wed Jan 27 16:34:49 2016] BTRFS: dev_replace from /dev/sdb1 (devid 2) to /dev/sdc1 finished Btrfs fi show: warning, device 3 is missing warning, device 3 is missing warning devid 3 not found already Label: none uuid: 490b8b7c-59c4-45dc-ac63-6a90f0966776 Total devices 2 FS bytes used 1.45TiB devid 1 size 1.82TiB used 1.52TiB path /dev/sda1 *** Some devices missing I haven't rebooted or remounted yet, so I'm curious if this is a bug, a normal thing that is fixed by a reboot, or what. Still running the same versions from my original email, but here they are again: Linux rat 4.3.3-3-ARCH #1 SMP PREEMPT Wed Jan 20 08:12:23 CET 2016 x86_64 GNU/Linux btrfs-progs v4.3.1 Thanks, --Sean