From mboxrd@z Thu Jan 1 00:00:00 1970 From: tyranastrasz@gmx.de Subject: Re: Restoring a raid0 for data rescue Date: Sun, 2 Aug 2020 21:24:18 +0200 Message-ID: References: <68c39e83-1155-0c8d-96a9-0418bdaf850d@gmx.de> <7437ab4d-9cd1-fe53-a17a-fc9e966ccd92@youngman.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <7437ab4d-9cd1-fe53-a17a-fc9e966ccd92@youngman.org.uk> Content-Language: en-US Sender: linux-raid-owner@vger.kernel.org To: antlists , linux-raid@vger.kernel.org List-Id: linux-raid.ids On 02.08.20 21:01, antlists wrote: > On 02/08/2020 19:09, tyranastrasz@gmx.de wrote: >> Hello >> >> I've a problem with my raid0. >> The probelmatic disks (2x 1TB wdred) were in usage in my server, now >> they got replaced with 3x 4TB seagate in a raid5. >> >> Before I turned them off, I made a backup on an external drive (normal >> hdd via USB) via rsync -avx /source /mnt/external/ >> >> Whatever happens in the night, the backup isn't complete and I miss >> files. >> So I put the old raid again into the server and wanted to start, but th= e >> Intel Raid Controller said that one of the disks are no member of a rai= d. >> >> My server mainboard is from Gigabyte a MX11-PC0. >> >> Well I made some mdadm examines, smartctl, mdstat, lsdrv logfiles and >> attached them to the mail. >> > Ow... > > This is still the same linux on the server? Because mdstat says no raid > personalities are installed. Either linux has changed or you've got > hardware raid. in which case you'll need to read up on the motherboard > manual. > > I'm not sure what they're called, but try "insmod raid1x" I think it is. > Could be raid0x. If that loads the raid0 driver, cat /proc/mdstat should > list raid0 as a personality. Once that's there, mdadm may be able to > start the array. > > Until you've got a working raid driver in the kernel, I certainly can't > help any further. But hopefully reading the mobo manual might help. The > other thing to try is an up-to-date rescue disk and see if that can read > the array. > > Cheers, > Wol No, I have the disks in my pc. The server can't boot the disks because Intel Storage says the raid has a failure, because one of the disks has no raid information. But as I read them both yesterday they had, now (see the last attachment) one of them has none. It makes no sense... I need the files Intel means "yeah make a new raid, with data loss" that's no option. Nara