From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fgwmail2.fujitsu.co.jp ([164.71.1.135]:55401 "EHLO fgwmail2.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751917AbaFZX3e (ORCPT ); Thu, 26 Jun 2014 19:29:34 -0400 Received: from kw-mxoi2.gw.nic.fujitsu.com (unknown [10.0.237.143]) by fgwmail2.fujitsu.co.jp (Postfix) with ESMTP id 64B8A3EE0CD for ; Fri, 27 Jun 2014 08:29:32 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (s1.gw.nic.fujitsu.com [10.0.50.91]) by kw-mxoi2.gw.nic.fujitsu.com (Postfix) with ESMTP id 73CFAAC0B84 for ; Fri, 27 Jun 2014 08:29:31 +0900 (JST) Received: from g01jpfmpwkw01.exch.g01.fujitsu.local (g01jpfmpwkw01.exch.g01.fujitsu.local [10.0.193.38]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id 2B160E08001 for ; Fri, 27 Jun 2014 08:29:31 +0900 (JST) Message-ID: <53ACACCF.8040609@jp.fujitsu.com> Date: Fri, 27 Jun 2014 08:29:19 +0900 From: Satoru Takeuchi MIME-Version: 1.0 To: CC: Subject: Re: cancel btrfs delete job References: <1403596252.4221.9.camel@hsew-frn.HIPERSCAN> <53ABC90A.9040800@jp.fujitsu.com> <1403777123.7657.5.camel@hsew-frn.HIPERSCAN> <53AC013E.5000702@jp.fujitsu.com> <1403782463.7657.20.camel@hsew-frn.HIPERSCAN> In-Reply-To: <1403782463.7657.20.camel@hsew-frn.HIPERSCAN> Content-Type: text/plain; charset="ISO-8859-15"; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hi Franziska, (2014/06/26 20:34), Franziska Näpelt wrote: > Hi Satoru, > > I'm sorry, but the boot process is always runnig(i hope so), i can't > login until now. So therefore i have currently no logs. > I don't want to interrupt these process, because there are a lot of > fileactions on the harddrive (LED is blinking). > > I'm not sure about the mkfs.btrfs option, because the system was set up > more than one year ago. > > mount-options in fstab: > LABEL=btrfs-pool /mnt/btrfs btrfs compress=lzo,degraded 0 1 > > kernel version is 3.15 on a Debian Whezzy with current btrfs-tools > installed > > Can you estimate, how long the boot-process (repairing btrfs?) could > take? The boot-process works for five hours now. To do so, I'll try to follow your steps with the system which similar to your environment as possible. Unfortunately I don't have plenty of disks. Thanks, Satoru > > best regards, > Franziska > > > > Hi Franziska, > > (2014/06/26 19:05), Franziska Näpelt wrote: >> Hello Satoru, >> >> here are your requested informations: >> >> environment: >> >> - four 2 TB disks: /dev/sd[c-f] >> - two 3 TB disks: /dev/sdg (but until now, only one is connected) >> >> filesystem consists of/dev/sd[c-f] >> >> I wanted to replace /dev/sdc by /dev/sdg ( with commands add and after >> that delete. >> In the second step, I wanted to replace the next disk. >> >> But it hanged during btrfs delete command (after successfull add). >> The delete process was still in progress, but with iotop it seems to me, that there is was no data transfer. > > Hm, them something bad would happen on Btrfs. > >> Today in the morning the hole computer hangs and there was no other possibility than reset :( > > So, unfortunately any debug info like sysrq-w can't be get. > >> >> Until now, he tries to boot with a lot of erros. But I can see, that there are fileactions on the harddrive. >> >> There are a lot of following messages: >> btrfs free space inode generation (0) did not match free space cache generation > > And doesn't finish to mount process? > > Your filesystem is in inconsistent state since you > reset during rebalancing filesystem which triggered by > device deletion. > > The following link would help you. But I'm not sure whether > your data can be restored or not. > > https://btrfs.wiki.kernel.org/index.php/Btrfsck > > Could you tell me your mkfs.btrfs options, mount options, > and kernel version, if possible? I'd like to try to > reproduce your problem anyway. > > Thanks, > Satoru > >> >> >> best regards, >> Franziska >> >> -------- Weitergeleitete Nachricht -------- >> Von: Satoru Takeuchi >> An: franziska.naepelt@hiperscan.com, linux-btrfs@vger.kernel.org >> >> Betreff: Re: cancel btrfs delete job >> Datum: Thu, 26 Jun 2014 16:17:30 +0900 >> >> Hi Franziska, >> >> (2014/06/24 16:50), Franziska Näpelt wrote: >>> Hi, >>> >>> i want to expand a btrfs filesystem. In the moment I have four 2 TB HDDs >>> for one btrfs pool. >>> I want to replace two of the HDDs with 3 TB devices. For this reason i >>> added as first one 3 TB device. After that, i do the btrfs delete job. >>> This job lasts since 4 days and it seems, that it hangs. >>> >>> Is it possible to cancel a btrfs delete job? >>> And when so, how can i do that? >> >> Unfortunately you can't cancel btrfs delete. >> >> Q1. Does your environment and operations are as follows? >> >> Environment: >> - You have six disks. >> - four 2TB disks: /dev/sd[a-d] >> - two 3TB disks: /dev/sd[ef] >> - Currently your btrfs filesystem consists of /dev/sd[a-d]. >> - You want to replace /dev/sd[cd] with /dev/[ef]. >> >> Your operation: >> 1. Add one 3TB disk, /dev/sde. # It works correctly. >> 2. Delete one 2TB disk, /dev/sdc # Hanged up happens here! >> >> Q2. Does I/Os for delete still in progress, or there is no I/O? >> >> Thanks, >> Satoru >> >>> >>> Best regards, >>> Franziska >>> >>> >>> >>> -- >>> 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 >>> >> >> >> >> > > > > -- > 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 >