From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Grawert Subject: Re: help requested for mdadm grow error Date: Mon, 25 May 2020 20:24:55 +0200 Message-ID: References: <7d95da49-33d8-cd4d-fa3f-0f3d3074cb30@gmail.com> <5ECC09D6.1010300@youngman.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <5ECC09D6.1010300@youngman.org.uk> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids > https://raid.wiki.kernel.org/index.php/Linux_Raid#When_Things_Go_Wrogn > > Especially > > https://raid.wiki.kernel.org/index.php/Asking_for_help > > More will follow but we need this info. > > Cheers, > Wol And the output of examine: root@nas:~# mdadm -E /dev/sda1 /dev/sda1:           Magic : a92b4efc         Version : 1.2     Feature Map : 0x5      Array UUID : d7d800b3:d203ff93:9cc2149a:804a1b97            Name : nas:0  (local to host nas)   Creation Time : Sun May 17 00:23:42 2020      Raid Level : raid5    Raid Devices : 5  Avail Dev Size : 23437504512 (11175.87 GiB 12000.00 GB)      Array Size : 46875009024 (44703.49 GiB 48000.01 GB)     Data Offset : 262144 sectors    Super Offset : 8 sectors    Unused Space : before=262056 sectors, after=0 sectors           State : active     Device UUID : 64b8c8bd:400cf9d1:d5161aac:4b8ac29a Internal Bitmap : 8 sectors from superblock   Reshape pos'n : 0   Delta Devices : 1 (4->5)     Update Time : Mon May 25 16:05:38 2020   Bad Block Log : 512 entries available at offset 72 sectors        Checksum : d9c3b859 - correct          Events : 38602          Layout : left-symmetric      Chunk Size : 512K    Device Role : Active device 0    Array State : AAAAA ('A' == active, '.' == missing, 'R' == replacing) ====================================== root@nas:~# mdadm -E /dev/sdb1 /dev/sdb1:           Magic : a92b4efc         Version : 1.2     Feature Map : 0x5      Array UUID : d7d800b3:d203ff93:9cc2149a:804a1b97            Name : nas:0  (local to host nas)   Creation Time : Sun May 17 00:23:42 2020      Raid Level : raid5    Raid Devices : 5  Avail Dev Size : 23437504512 (11175.87 GiB 12000.00 GB)      Array Size : 46875009024 (44703.49 GiB 48000.01 GB)     Data Offset : 262144 sectors    Super Offset : 8 sectors    Unused Space : before=262056 sectors, after=0 sectors           State : active     Device UUID : d1f20899:f22a1267:6525deb0:e109960c Internal Bitmap : 8 sectors from superblock   Reshape pos'n : 0   Delta Devices : 1 (4->5)     Update Time : Mon May 25 16:05:38 2020   Bad Block Log : 512 entries available at offset 72 sectors        Checksum : c0b49f9e - correct          Events : 38602          Layout : left-symmetric      Chunk Size : 512K    Device Role : Active device 1    Array State : AAAAA ('A' == active, '.' == missing, 'R' == replacing) ========================================= root@nas:~# mdadm -E /dev/sdc1 /dev/sdc1:           Magic : a92b4efc         Version : 1.2     Feature Map : 0x5      Array UUID : d7d800b3:d203ff93:9cc2149a:804a1b97            Name : nas:0  (local to host nas)   Creation Time : Sun May 17 00:23:42 2020      Raid Level : raid5    Raid Devices : 5  Avail Dev Size : 23437504512 (11175.87 GiB 12000.00 GB)      Array Size : 46875009024 (44703.49 GiB 48000.01 GB)     Data Offset : 262144 sectors    Super Offset : 8 sectors    Unused Space : before=262056 sectors, after=0 sectors           State : active     Device UUID : 6e6c5cd4:0f3d0695:fac0399d:060554d8 Internal Bitmap : 8 sectors from superblock   Reshape pos'n : 0   Delta Devices : 1 (4->5)     Update Time : Mon May 25 16:05:38 2020   Bad Block Log : 512 entries available at offset 72 sectors        Checksum : e215c214 - correct          Events : 38602          Layout : left-symmetric      Chunk Size : 512K    Device Role : Active device 2    Array State : AAAAA ('A' == active, '.' == missing, 'R' == replacing) ============================================ root@nas:~# mdadm -E /dev/sdd1 /dev/sdd1:           Magic : a92b4efc         Version : 1.2     Feature Map : 0x5      Array UUID : d7d800b3:d203ff93:9cc2149a:804a1b97            Name : nas:0  (local to host nas)   Creation Time : Sun May 17 00:23:42 2020      Raid Level : raid5    Raid Devices : 5  Avail Dev Size : 23437504512 (11175.87 GiB 12000.00 GB)      Array Size : 46875009024 (44703.49 GiB 48000.01 GB)     Data Offset : 262144 sectors    Super Offset : 8 sectors    Unused Space : before=262056 sectors, after=0 sectors           State : active     Device UUID : 999c5ee2:180dc99f:7c65cac5:d46fac89 Internal Bitmap : 8 sectors from superblock   Reshape pos'n : 0   Delta Devices : 1 (4->5)     Update Time : Mon May 25 16:05:38 2020   Bad Block Log : 512 entries available at offset 72 sectors        Checksum : d4c3d19a - correct          Events : 38602          Layout : left-symmetric      Chunk Size : 512K    Device Role : Active device 3    Array State : AAAAA ('A' == active, '.' == missing, 'R' == replacing) =============================================== root@nas:~# mdadm -E /dev/sde1 /dev/sde1:           Magic : a92b4efc         Version : 1.2     Feature Map : 0x5      Array UUID : d7d800b3:d203ff93:9cc2149a:804a1b97            Name : nas:0  (local to host nas)   Creation Time : Sun May 17 00:23:42 2020      Raid Level : raid5    Raid Devices : 5  Avail Dev Size : 23437504512 (11175.87 GiB 12000.00 GB)      Array Size : 46875009024 (44703.49 GiB 48000.01 GB)     Data Offset : 262144 sectors    Super Offset : 8 sectors    Unused Space : before=262056 sectors, after=0 sectors           State : active     Device UUID : 29cfb720:59627867:f11153ce:443a6395 Internal Bitmap : 8 sectors from superblock   Reshape pos'n : 0   Delta Devices : 1 (4->5)     Update Time : Mon May 25 16:05:38 2020   Bad Block Log : 512 entries available at offset 72 sectors        Checksum : ef0bd050 - correct          Events : 38602          Layout : left-symmetric      Chunk Size : 512K    Device Role : Active device 4    Array State : AAAAA ('A' == active, '.' == missing, 'R' == replacing) ======================== root@nas:~# mdadm -E /dev/sda /dev/sda:    MBR Magic : aa55 Partition[0] :   4294967295 sectors at            1 (type ee) root@nas:~# mdadm -E /dev/sdb /dev/sdb:    MBR Magic : aa55 Partition[0] :   4294967295 sectors at            1 (type ee) root@nas:~# mdadm -E /dev/sdc /dev/sdc:    MBR Magic : aa55 Partition[0] :   4294967295 sectors at            1 (type ee) root@nas:~# mdadm -E /dev/sdd /dev/sdd:    MBR Magic : aa55 Partition[0] :   4294967295 sectors at            1 (type ee) root@nas:~# mdadm -E /dev/sde /dev/sde:    MBR Magic : aa55 Partition[0] :   4294967295 sectors at            1 (type ee)