From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin ESTRABAUD Subject: Re: Broken raid 5 Date: Thu, 22 May 2014 12:16:20 +0100 Message-ID: <537DDC84.3010003@mpstor.com> References: <43607931-ad0a-4dbc-b258-188297cbb951@email.android.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <43607931-ad0a-4dbc-b258-188297cbb951@email.android.com> Sender: linux-raid-owner@vger.kernel.org To: "L. M. J" , linux-raid@vger.kernel.org List-Id: linux-raid.ids On 21/05/14 23:05, L. M. J wrote: > Hi, > > Very short story : I've created an array on top of another one, I presume that you actually mean that you created an array ontop of the= =20 disks from another array. so I lost my array and my data. > > Is there =C3=A0 way to recover RAID 5 meta data on each disk to be = able to rebuilt the previous raid 5? > Well, if you used the same metadata version (like 1.2 for instance), th= e=20 "old" metadata would have been overwritten by your new RAID metadata=20 (assuming you built the RAID on the same drives/partitions) so that=20 would be gone as well. Even if you were able to rebuild the "previous" RAID (also assuming it=20 was a RAID5), if your current RAID build has completed the data would=20 have been thoroughly destroyed by the build process and recovery would=20 be insanely hard. > Thabks > Regards, Ben. -- 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