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Mon, 22 Jan 2024 19:52:05 +0000 Date: Mon, 22 Jan 2024 19:52:01 +0000 (UTC) From: RJ Marquette To: "linux-raid@vger.kernel.org" Message-ID: <432300551.863689.1705953121879@mail.yahoo.com> Subject: Requesting help recovering my array Precedence: bulk X-Mailing-List: linux-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable References: <432300551.863689.1705953121879.ref@mail.yahoo.com> X-Mailer: WebService/1.1.22027 YMailNorrin Hi, all.=C2=A0 I have a Raid5 array with 5 disks in use and a 6th in reserv= e that I built using 3TB drives in 2019.=C2=A0 It has been running fine sin= ce, not even a single drive failure.=C2=A0 The system also has a 7th hard d= rive for OS, home directory, etc.=C2=A0 The motherboard had four SATA ports= , so I added an adapter card that has 4 more ports, with three drives conne= cted to it.=C2=A0 The server runs Debian that I keep relatively current. Yesterday, I swapped a newer motherboard into the computer (upgraded my des= ktop and moved the guts to my server).=C2=A0 I never disconnected the cable= s from the adapter card (whew, I think), so I know which four drives were c= onnected to the motherboard.=C2=A0 Unfortunately I didn't really note how t= hey were hooked to the motherboard (SATA1-4 ports).=C2=A0 Didn't even think= it would be an issue.=C2=A0 I'm reasonably confident the array drives on t= he motherboard were sda-sdc, but I'm not certain. Now I can't get the array to come up.=C2=A0 I'm reasonably certain I haven'= t done anything to write to the drives - but mdadm will not assemble the dr= ives (I have not tried to force it).=C2=A0 I'm not entirely sure what's up = and would really appreciate any help.=20 I've tried various incantations of mdadm --assemble --scan, with no luck.= =C2=A0 I've seen the posts about certain motherboards that can mess up the = drives, and I'm hoping I'm not in that boat.=C2=A0 The "new" motherboard is= a Asus Z96-K/CSM. I assume using --force is in my future...I see various pages that say use -= -force then check it, but will that damage it if I'm wrong?=C2=A0 If not, h= ow will I know it's correct?=C2=A0 Is the order of drives important with --= force?=C2=A0 I see conflicting info on that. I'm no expert but it looks like each drive has the mdadm superblock...so I'= m not sure why it won't assemble.=C2=A0 Please help! Thanks in advance. --RJ root@jackie:~# uname -a=C2=A0 Linux jackie 5.10.0-27-amd64 #1 SMP Debian 5.10.205-2 (2023-12-31) x86_64 G= NU/Linux=C2=A0 root@jackie:~# mdadm --version=C2=A0 mdadm - v4.1 - 2018-10-01 root@jackie:~# mdadm --examine /dev/sda=C2=A0 /dev/sda: =C2=A0=C2=A0MBR Magic : aa55=C2=A0 Partition[0] : =C2=A0=C2=A04294967295 sectors at =C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A01 (type ee)=C2=A0 root@jackie:~# mdadm --examine /dev/sda1=C2=A0 mdadm: No md superblock detected on /dev/sda1.=C2=A0 root@jackie:~# mdadm --examine /dev/sdb=C2=A0 /dev/sdb: =C2=A0=C2=A0MBR Magic : aa55=C2=A0 Partition[0] : =C2=A0=C2=A04294967295 sectors at =C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A01 (type ee)=C2=A0 root@jackie:~# mdadm --examine /dev/sdb1=C2=A0 mdadm: No md superblock detected on /dev/sdb1.=C2=A0 root@jackie:~# mdadm --examine /dev/sdc=C2=A0 /dev/sdc: =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0Magic : a92= b4efc =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0Version : 1.2 =C2=A0=C2=A0= =C2=A0 Feature Map : 0x0 =C2=A0=C2=A0=C2=A0=C2=A0 Array UUID : 74a11272:9b233a5b:2506f763:27693ccc =C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Name : jackie:0 =C2=A0(local to host jackie) =C2=A0 Creation Time : Sat Dec =C2=A08 19:32:07 2018 =C2=A0=C2=A0=C2=A0=C2=A0 Raid Level : raid5 =C2=A0=C2=A0 Raid Devices : 5 Avail=C2=A0 Dev Size : 5860271024 (2794.39 GiB 3000.46 GB) =C2=A0=C2=A0=C2=A0=C2=A0 Array Size : 11720540160 (11177.58 GiB 12001.83 GB) =C2=A0 Used Dev Size : 5860270080 (2794.39 GiB 3000.46 GB) =C2=A0=C2=A0=C2=A0 Data Offset : 262144 sectors =C2=A0=C2=A0 Super Offset : 8 sectors =C2=A0=C2=A0 Unused Space : before=3D261864 sectors, after=3D944 sectors =C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 State : clean =C2=A0=C2=A0=C2=A0 Device UUID : a2b677bb:4004d8fb:a298a923:bab4df8a =C2=A0=C2=A0=C2=A0 Update Time : Fri Jan 19 15:25:37 2024 =C2=A0 Bad Block Log : 512 entries available at offset 264 sectors =C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0 Checksum : 2487f053 - correct =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0 Events : 5958 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Layout : left-symmetric =C2=A0=C2=A0=C2=A0=C2=A0 Chunk Size : 512K =C2=A0=C2=A0 Device Role : spare =C2=A0=C2=A0 Array State : AAAAA ('A' =3D=3D active, '.' =3D=3D missing, 'R' =3D=3D repl= acing)=C2=A0 root@jackie:~# mdadm --examine /dev/sdc1=C2=A0 mdadm: cannot open /dev/sdc1: No such file or directory=C2=A0 root@jackie:~# mdadm --examine /dev/sde=C2=A0 /dev/sde: =C2=A0=C2=A0MBR Magic : aa55=C2=A0 Partition[0] : =C2=A0=C2=A04294967295 sectors at =C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A01 (type ee)=C2=A0 root@jackie:~# mdadm --examine /dev/sde1=C2=A0 mdadm: No md superblock detected on /dev/sde1.=C2=A0 root@jackie:~# mdadm --examine /dev/sdf=C2=A0 /dev/sdf: =C2=A0=C2=A0MBR Magic : aa55=C2=A0 Partition[0] : =C2=A0=C2=A04294967295 sectors at =C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A01 (type ee)=C2=A0 root@jackie:~# mdadm --examine /dev/sdf1=C2=A0 mdadm: No md superblock detected on /dev/sdf1.=C2=A0 root@jackie:~# mdadm --examine /dev/sdg=C2=A0 /dev/sdg: =C2=A0=C2=A0MBR Magic : aa55=C2=A0 Partition[0] : =C2=A0=C2=A04294967295 sectors at =C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A01 (type ee)=C2=A0 root@jackie:~# mdadm --examine /dev/sdg1=C2=A0 mdadm: No md superblock detected on /dev/sdg1. root@jackie:~# lsdrv =C2=A0 PCI [ahci] 00:1f.2 SATA controller: Intel Corporation 9 Series Chipset Fami= ly SATA Controller [AHCI Mode]=C2=A0 =E2=94=9Cscsi 0:0:0:0 ATA =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0ST3000VN007-2E41 {Z= 7317D1A}=C2=A0 =E2=94=82=E2=94=94sda 2.73t [8:0] Partitioned (gpt)=C2=A0 =E2=94=82 =E2=94=94sda1 2.73t [8:1] Empty/Unknown=C2=A0 =E2=94=9Cscsi 1:0:0:0 ATA =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0Hitachi HUS72403 {P= 8GSA1WR}=C2=A0 =E2=94=82=E2=94=94sdb 2.73t [8:16] Partitioned (gpt)=C2=A0 =E2=94=82 =E2=94=94sdb1 2.73t [8:17] Empty/Unknown=C2=A0 =E2=94=9Cscsi 2:0:0:0 ATA =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0Hitachi HUA72303 {M= K0371YVGSZ9RA}=C2=A0 =E2=94=82=E2=94=94sdc 2.73t [8:32] MD raid5 (5) inactive 'jackie:0' {74a112= 72-9b23-3a5b-2506-f76327693ccc}=C2=A0 =E2=94=94scsi 3:0:0:0 ATA =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0ST32000542AS =C2=A0= =C2=A0=C2=A0=C2=A0{5XW110LY}=C2=A0 =E2=94=94sdd 1.82t [8:48] Partitioned (dos) =C2=A0 =E2=94=9Csdd1 23.28g [8:49] Partitioned (dos) {d94cc2c8-037a-49c5-8a1e-01bb= 47d78624} =C2=A0 =E2=94=82=E2=94=94Mounted as /dev/sdd1 @ / =C2=A0 =E2=94=9Csdd2 1.00k [8:50] Partitioned (dos) =C2=A0 =E2=94=9Csdd5 9.31g [8:53] ext4 {6eb3b4d0-8c7f-4b06-a431-4c292d5bda86} =C2= =A0 =E2=94=82=E2=94=94Mounted as /dev/sdd5 @ /var =C2=A0 =E2=94=9Csdd6 3.96g [8:54] swap {901cd56d-ef11-4866-824b-d9ec4ae6fe6e} =C2= =A0 =E2=94=9Csdd7 1.86g [8:55] ext4 {69ba0889-322b-4fc8-b9d3-a2d133c97e5e} =C2= =A0 =E2=94=82=E2=94=94Mounted as /dev/sdd7 @ /tmp =C2=A0 =E2=94=94sdd8 1.78t [8:56] ext4 {4ed408d4-6b22-46e0-baed-2e0589ff41fb} =C2= =A0=C2=A0 =E2=94=94Mounted as /dev/sdd8 @ /home PCI [ahci]=C2=A0 06:00.0 SATA controller: Marvell Technology Group Ltd. 88SE9215 PCIe 2.0 x1= 4-port SATA 6 Gb/s Controller (rev 11)=C2=A0 =E2=94=9Cscsi 6:0:0:0 ATA =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0Hitachi HUS72403 {P= 8G84LEP}=C2=A0 =E2=94=82=E2=94=94sde 2.73t [8:64] Partitioned (gpt)=C2=A0 =E2=94=82 =E2=94=94sde1 2.73t [8:65] Empty/Unknown=C2=A0 =E2=94=9Cscsi 7:0:0:0 ATA =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0ST3000VN007-2E41 {Z= 7317D46}=C2=A0 =E2=94=82=E2=94=94sdf 2.73t [8:80] Partitioned (gpt)=C2=A0 =E2=94=82 =E2=94=94sdf1 2.73t [8:81] Empty/Unknown=C2=A0 =E2=94=94scsi 8:0:0:0 ATA =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0ST3000VN007-2E41 {Z= 7317JTX}=C2=A0 =E2=94=94sdg 2.73t [8:96] Partitioned (gpt) =E2=94=94sdg1 2.73t [8:97] Empty/Unknown root@jackie:~# cat /etc/mdadm/mdadm.conf =C2=A0 =C2=A0# This configuration was auto-generated on Wed, 27 Nov 2019 15:53:23 = -0500 by mkconf=C2=A0 ARRAY /dev/md0 metadata=3D1.2 spares=3D1 name=3Djackie:0 UUID=3D74a11272:9b= 233a5b:2506f763:27693cccr