From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Turmel Subject: Re: RAID 5 "magicaly" become a RAID0 Date: Tue, 14 Apr 2015 08:32:00 -0400 Message-ID: <552D08C0.1010106@turmel.org> References: <552B0B58.8050102@turmel.org> <552BA12C.3010506@turmel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Thomas MARCHESSEAU , linux-raid@vger.kernel.org Cc: Roger Heflin List-Id: linux-raid.ids Good morning Thomas, On 04/13/2015 03:29 PM, Thomas MARCHESSEAU wrote: > Mdadm =E2=80=94-assemble =E2=80=94- force /dev/md1 /dev/sdb =E2=80=A6= etc=E2=80=A6 /dev/sdh > And i=E2=80=99ve got a good feedback from de system : > Mdadm : forcing event count in /dev/sdg from 21954 to 21958 > Mdadm : forcing event count in /dev/sdh from 21954 to 21958 > Mdadm : clearing FAULTY flag for device 5 in /dev/md1 fo dev/sdg > Mdadm : clearing FAULTY flag for device 6 in /dev/md1 fo dev/sdh > Mdadm : making array /dev/md1 as =E2=80=98clean=E2=80=99 > Mdadm :/dev/md1 has bee started with 7 drives >=20 > =E2=80=94> looks pretty good ! >=20 > Mounting drive , and all seem ok . > 1 / i=E2=80=99m now BACKUPING the most important stuff . > 2 / i=E2=80=99ll backup all data >=20 > -> this will probably require 2 days Very good to hear this. > what=E2=80=99s your advice for next step ? > - remove all md and rewrite a config ? > - move to raid6 ( is there a way to convert RAID5 to 6 ) ( > http://ewams.net/?date=3D2013/05/02&view=3DConverting_RAID5_to_RAID6_= in_mdadm > )=20 Yes, just --add a spare device to the array, then --grow --level=3D6 to start a live reshape. > - re install a fresh clean system ? Not necessary. Phil -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html