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got this sn on dva1622 20c0sjrl9dn2w and changed it to 20C0SJR457845 and didn't work still 0 licence. please help

how to unmount the array and mount it again

on all 10 drives i have 3 bad sectors 1 on 3 drives,i transfered some data from the volume and all is not usable .the status of volume 2 changed from degraded to crushed.now the drive 7 is crushed

the volume crushed again and the speed of trasnfer is 1000kb and all off the data is rubish.cam i do the steps again to unmount and remount the volume

i will copy the data and delete all after that.and start from scrach

mount -v /dev/md3 /volume2 mount: /dev/md3 mounted on /volume2 thank you very much how can i make it up to you

ls -la / total 100 drwxr-xr-x 30 root root 4096 Apr 5 18:30 . drwxr-xr-x 30 root root 4096 Apr 5 18:30 .. lrwxrwxrwx 1 root root 7 Aug 27 2021 bin -> usr/bin drwxr-xr-x 7 root root 0 Apr 5 18:30 config drwxr-xr-x 13 root root 19340 Apr 5 19:29 dev drwxr-xr-x 49 root root 4096 Apr 5 18:34 etc drwxr-xr-x 43 root root 4096 Aug 27 2021 etc.defaults drwxr-xr-x 2 root root 4096 May 12 2020 initrd lrwxrwxrwx 1 root root 7 Aug 27 2021 lib -> usr/lib lrwxrwxrwx 1 root root 9 Aug 27 2021 lib32 -> usr/lib32 lrwxrwxrwx 1 root root 7 Aug 27 2021 lib64 -> usr/lib drwxr-xr-x 2 root root 4096 Aug 27 2021 .log.junior drwx------ 2 root root 4096 May 12 2020 lost+found -rw-r--r-- 1 root root 0 Apr 2 00:28 Media drwxr-xr-x 2 root root 4096 May 12 2020 mnt drwxr-xr-x 2 root root 4096 Aug 27 2021 .old_patch_info drwx--x--x 4 root root 4096 Sep 2 2021 opt dr-xr-xr-x 248 root root 0 Apr 5 18:27 proc -rw------- 1 root root 1024 Aug 27 2021 .rnd drwx------ 5 root root 4096 Dec 18 13:08 root drwxr-xr-x 26 root root 1360 Apr 5 20:00 run lrwxrwxrwx 1 root root 8 Aug 27 2021 sbin -> usr/sbin -rw-r--r-- 1 root root 0 Apr 2 00:28 Server drwxr-xr-x 4 root root 4096 Aug 27 2021 .syno dr-xr-xr-x 12 root root 0 Apr 5 18:30 sys drwxr-xr-x 2 root root 4096 Aug 27 2021 .system_info drwxrwxrwt 12 root root 1440 Apr 5 20:08 tmp drwxr-xr-x 2 root root 4096 Aug 27 2021 tmpRoot drwxr-xr-x 11 root root 4096 May 12 2020 usr drwxr-xr-x 17 root root 4096 Apr 5 18:30 var drwxr-xr-x 14 root root 4096 Aug 27 2021 var.defaults drwxrwxrwx 2 root root 4096 Apr 1 14:17 volume1 drwxr-xr-x 4 root root 4096 Jan 14 20:38 volume2 drwxr-xr-x 5 root root 4096 Nov 1 20:05 volumeSATA1 drwxr-xr-x 3 root root 4096 Nov 1 19:39 volumeSATA2 drwxr-xr-x 3 root root 4096 Nov 1 19:39 volumeSATA3 drwxr-xr-x 3 root root 4096 Apr 2 00:31 volumeUSB1 drwxr-xr-x 3 root root 4096 Jan 19 09:45 volumeUSB2

mount /dev/md0 on / type ext4 (rw,relatime,journal_checksum,barrier,data=ordered) none on /dev type devtmpfs (rw,nosuid,noexec,relatime,size=16459916k,nr_inodes=4114979,mode=755) none on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000) none on /proc type proc (rw,nosuid,nodev,noexec,relatime) none on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) /tmp on /tmp type tmpfs (rw,relatime) /run on /run type tmpfs (rw,nosuid,nodev,relatime,mode=755) /dev/shm on /dev/shm type tmpfs (rw,nosuid,nodev,relatime) none on /sys/fs/cgroup type tmpfs (rw,relatime,size=4k,mode=755) cgmfs on /run/cgmanager/fs type tmpfs (rw,relatime,size=100k,mode=755) cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,relatime,cpuset,release_agent=/run/cgmanager/agents/cgm-release-agent.cpuset,clone_children) cgroup on /sys/fs/cgroup/cpu type cgroup (rw,relatime,cpu,release_agent=/run/cgmanager/agents/cgm-release-agent.cpu) cgroup on /sys/fs/cgroup/cpuacct type cgroup (rw,relatime,cpuacct,release_agent=/run/cgmanager/agents/cgm-release-agent.cpuacct) cgroup on /sys/fs/cgroup/memory type cgroup (rw,relatime,memory,release_agent=/run/cgmanager/agents/cgm-release-agent.memory) cgroup on /sys/fs/cgroup/devices type cgroup (rw,relatime,devices,release_agent=/run/cgmanager/agents/cgm-release-agent.devices) cgroup on /sys/fs/cgroup/freezer type cgroup (rw,relatime,freezer,release_agent=/run/cgmanager/agents/cgm-release-agent.freezer) cgroup on /sys/fs/cgroup/blkio type cgroup (rw,relatime,blkio,release_agent=/run/cgmanager/agents/cgm-release-agent.blkio) none on /proc/bus/usb type devtmpfs (rw,nosuid,noexec,relatime,size=16459916k,nr_inodes=4114979,mode=755) none on /sys/kernel/debug type debugfs (rw,relatime) securityfs on /sys/kernel/security type securityfs (rw,relatime) none on /config type configfs (rw,relatime) root@NAS:~# df -v Filesystem 1K-blocks Used Available Use% Mounted on /dev/md0 2385528 1624852 641892 72% / none 16459916 0 16459916 0% /dev /tmp 16475452 928 16474524 1% /tmp /run 16475452 4896 16470556 1% /run /dev/shm 16475452 4 16475448 1% /dev/shm none 4 0 4 0% /sys/fs/cgroup cgmfs 100 0 100 0% /run/cgmanager/fs

mdadm --assemble --scan mdadm: /dev/md/3 has been started with 9 drives (out of 10). mdadm: Found some drive for an array that is already active: /dev/md/0_0 mdadm: giving up. root@NAS:~# cat /proc/mdstat Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [raidF1] md3 : active raid5 sda3[0] sdg3[11] sdk3[9] sdb3[10] sdl3[6] sdj3[8] sdf3[3] sdd3[2] sdc3[1] 35119473984 blocks super 1.2 level 5, 64k chunk, algorithm 2 [10/9] [UUUU_UUUUU] md1 : active raid1 sda2[0] sdb2[1] sdc2[2] sdd2[3] sdf2[5] sdg2[6] sdj2[7] sdk2[8] sdl2[9] 2097088 blocks [12/9] [UUUU_UUUUU__] md0 : active raid1 sda1[0] sdb1[5] sdc1[1] sdd1[2] sdf1[4] sdk1[8] sdl1[9] 2490176 blocks [12/7] [UUU_UU__UU__] unused devices: <none>

mdadm --assemble /dev/md3 mdadm: /dev/md3 not identified in config file. root@NAS:~# cat /proc/mdstat Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [raidF1] md1 : active raid1 sda2[0] sdb2[1] sdc2[2] sdd2[3] sdf2[5] sdg2[6] sdj2[7] sdk2[8] sdl2[9] 2097088 blocks [12/9] [UUUU_UUUUU__] md0 : active raid1 sda1[0] sdb1[5] sdc1[1] sdd1[2] sdf1[4] sdk1[8] sdl1[9] 2490176 blocks [12/7] [UUU_UU__UU__] unused devices: <none>

mdadm --run /dev/md3 mdadm: failed to start array /dev/md3: Invalid argument root@NAS:~# cat /proc/mdstat Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [raidF1] md1 : active raid1 sda2[0] sdb2[1] sdc2[2] sdd2[3] sdf2[5] sdg2[6] sdj2[7] sdk2[8] sdl2[9] 2097088 blocks [12/9] [UUUU_UUUUU__] md0 : active raid1 sda1[0] sdb1[5] sdc1[1] sdd1[2] sdf1[4] sdk1[8] sdl1[9] 2490176 blocks [12/7] [UUU_UU__UU__] unused devices: <none>

mdadm --stop /dev/md3 mdadm: stopped /dev/md3 root@NAS:~# mdadm --assemble --force /dev/md3 /dev/sda3 /dev/sdb3 /dev/sdc3 /dev/sdd3 /dev/sdf3 /dev/sdg3 /dev/sdj3 /dev/sdk3 /dev/sdl3 mdadm: forcing event count in /dev/sdg3(9) from 230661 upto 231229 mdadm: /dev/md3 assembled from 9 drives - not enough to start the array. root@NAS:~# cat /proc/mdstat Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [raidF1] md1 : active raid1 sda2[0] sdb2[1] sdc2[2] sdd2[3] sdf2[5] sdg2[6] sdj2[7] sdk2[8] sdl2[9] 2097088 blocks [12/9] [UUUU_UUUUU__] md0 : active raid1 sda1[0] sdb1[5] sdc1[1] sdd1[2] sdf1[4] sdk1[8] sdl1[9] 2490176 blocks [12/7] [UUU_UU__UU__] unused devices: <none>

cat /etc/fstab none /proc proc defaults 0 0 /dev/root / ext4 defaults 1 1 /dev/md3 /volume2 btrfs 0 0 root@NAS:~# df -v Filesystem 1K-blocks Used Available Use% Mounted on /dev/md0 2385528 1624380 642364 72% / none 16459916 0 16459916 0% /dev /tmp 16475452 928 16474524 1% /tmp /run 16475452 4696 16470756 1% /run /dev/shm 16475452 4 16475448 1% /dev/shm none 4 0 4 0% /sys/fs/cgroup cgmfs 100 0 100 0% /run/cgmanager/fs

same drives are with system partition failed and ls /dev/sd* /dev/sda /dev/sdb2 /dev/sdd /dev/sdf2 /dev/sdh /dev/sdk1 /dev/sdl3 /dev/sda1 /dev/sdb3 /dev/sdd1 /dev/sdf3 /dev/sdj /dev/sdk2 /dev/sda2 /dev/sdc /dev/sdd2 /dev/sdg /dev/sdj1 /dev/sdk3 /dev/sda3 /dev/sdc1 /dev/sdd3 /dev/sdg1 /dev/sdj2 /dev/sdl /dev/sdb /dev/sdc2 /dev/sdf /dev/sdg2 /dev/sdj3 /dev/sdl1 /dev/sdb1 /dev/sdc3 /dev/sdf1 /dev/sdg3 /dev/sdk /dev/sdl2 root@NAS:~# mdadm --examine /dev/sd[abcdfgjkl]3 /dev/sda3: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 9858866f:1e986c69:0e23d03d:34731de4 Name : NAS:3 (local to host NAS) Creation Time : Sun Aug 9 11:21:40 2020 Raid Level : raid5 Raid Devices : 10 Avail Dev Size : 7804327584 (3721.39 GiB 3995.82 GB) Array Size : 35119473984 (33492.54 GiB 35962.34 GB) Used Dev Size : 7804327552 (3721.39 GiB 3995.82 GB) Data Offset : 2048 sectors Super Offset : 8 sectors Unused Space : before=1968 sectors, after=32 sectors State : clean Device UUID : e6bdb94e:43119dd5:eaf58c3b:2fe8a5ff Update Time : Tue Apr 5 18:30:43 2022 Checksum : fc026569 - correct Events : 231229 Layout : left-symmetric Chunk Size : 64K Device Role : Active device 0 Array State : AAAA.AAAA. ('A' == active, '.' == missing, 'R' == replacing) /dev/sdb3: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 9858866f:1e986c69:0e23d03d:34731de4 Name : NAS:3 (local to host NAS) Creation Time : Sun Aug 9 11:21:40 2020 Raid Level : raid5 Raid Devices : 10 Avail Dev Size : 7804327584 (3721.39 GiB 3995.82 GB) Array Size : 35119473984 (33492.54 GiB 35962.34 GB) Used Dev Size : 7804327552 (3721.39 GiB 3995.82 GB) Data Offset : 2048 sectors Super Offset : 8 sectors Unused Space : before=1968 sectors, after=32 sectors State : clean Device UUID : c1e30c0d:9a95561a:236ce739:19445dc3 Update Time : Tue Apr 5 18:30:43 2022 Checksum : c120e1bf - correct Events : 231229 Layout : left-symmetric Chunk Size : 64K Device Role : Active device 7 Array State : AAAA.AAAA. ('A' == active, '.' == missing, 'R' == replacing) /dev/sdc3: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 9858866f:1e986c69:0e23d03d:34731de4 Name : NAS:3 (local to host NAS) Creation Time : Sun Aug 9 11:21:40 2020 Raid Level : raid5 Raid Devices : 10 Avail Dev Size : 7804327584 (3721.39 GiB 3995.82 GB) Array Size : 35119473984 (33492.54 GiB 35962.34 GB) Used Dev Size : 7804327552 (3721.39 GiB 3995.82 GB) Data Offset : 2048 sectors Super Offset : 8 sectors Unused Space : before=1968 sectors, after=32 sectors State : clean Device UUID : c8079b49:ad09810a:d893fb57:04e781e5 Update Time : Tue Apr 5 18:30:43 2022 Checksum : 2e124471 - correct Events : 231229 Layout : left-symmetric Chunk Size : 64K Device Role : Active device 1 Array State : AAAA.AAAA. ('A' == active, '.' == missing, 'R' == replacing) /dev/sdd3: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 9858866f:1e986c69:0e23d03d:34731de4 Name : NAS:3 (local to host NAS) Creation Time : Sun Aug 9 11:21:40 2020 Raid Level : raid5 Raid Devices : 10 Avail Dev Size : 7804327584 (3721.39 GiB 3995.82 GB) Array Size : 35119473984 (33492.54 GiB 35962.34 GB) Used Dev Size : 7804327552 (3721.39 GiB 3995.82 GB) Data Offset : 2048 sectors Super Offset : 8 sectors Unused Space : before=1968 sectors, after=32 sectors State : clean Device UUID : db99484d:ee26b85c:a92fa754:34e98ca2 Update Time : Tue Apr 5 18:30:43 2022 Checksum : 3dad91c7 - correct Events : 231229 Layout : left-symmetric Chunk Size : 64K Device Role : Active device 2 Array State : AAAA.AAAA. ('A' == active, '.' == missing, 'R' == replacing) /dev/sdf3: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 9858866f:1e986c69:0e23d03d:34731de4 Name : NAS:3 (local to host NAS) Creation Time : Sun Aug 9 11:21:40 2020 Raid Level : raid5 Raid Devices : 10 Avail Dev Size : 7804327584 (3721.39 GiB 3995.82 GB) Array Size : 35119473984 (33492.54 GiB 35962.34 GB) Used Dev Size : 7804327552 (3721.39 GiB 3995.82 GB) Data Offset : 2048 sectors Super Offset : 8 sectors Unused Space : before=1968 sectors, after=32 sectors State : clean Device UUID : d7e5fc86:dc5e26ff:a7aa9438:57e35830 Update Time : Tue Apr 5 18:30:43 2022 Checksum : 8b898ad3 - correct Events : 231229 Layout : left-symmetric Chunk Size : 64K Device Role : Active device 3 Array State : AAAA.AAAA. ('A' == active, '.' == missing, 'R' == replacing) /dev/sdg3: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 9858866f:1e986c69:0e23d03d:34731de4 Name : NAS:3 (local to host NAS) Creation Time : Sun Aug 9 11:21:40 2020 Raid Level : raid5 Raid Devices : 10 Avail Dev Size : 7804327584 (3721.39 GiB 3995.82 GB) Array Size : 35119473984 (33492.54 GiB 35962.34 GB) Used Dev Size : 7804327552 (3721.39 GiB 3995.82 GB) Data Offset : 2048 sectors Super Offset : 8 sectors Unused Space : before=1968 sectors, after=32 sectors State : clean Device UUID : ddc65815:dc638fa5:43af17f2:ae8573b3 Update Time : Fri Apr 1 14:35:29 2022 Checksum : fcf0987f - correct Events : 230661 Layout : left-symmetric Chunk Size : 64K Device Role : Active device 9 Array State : AAAAAAAAAA ('A' == active, '.' == missing, 'R' == replacing) /dev/sdj3: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 9858866f:1e986c69:0e23d03d:34731de4 Name : NAS:3 (local to host NAS) Creation Time : Sun Aug 9 11:21:40 2020 Raid Level : raid5 Raid Devices : 10 Avail Dev Size : 7804327584 (3721.39 GiB 3995.82 GB) Array Size : 35119473984 (33492.54 GiB 35962.34 GB) Used Dev Size : 7804327552 (3721.39 GiB 3995.82 GB) Data Offset : 2048 sectors Super Offset : 8 sectors Unused Space : before=1968 sectors, after=32 sectors State : clean Device UUID : edf7269d:22d055ef:65375e04:d2573885 Update Time : Tue Apr 5 18:30:43 2022 Checksum : b28c0f6d - correct Events : 231229 Layout : left-symmetric Chunk Size : 64K Device Role : Active device 5 Array State : AAAA.AAAA. ('A' == active, '.' == missing, 'R' == replacing) /dev/sdk3: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 9858866f:1e986c69:0e23d03d:34731de4 Name : NAS:3 (local to host NAS) Creation Time : Sun Aug 9 11:21:40 2020 Raid Level : raid5 Raid Devices : 10 Avail Dev Size : 7804327584 (3721.39 GiB 3995.82 GB) Array Size : 35119473984 (33492.54 GiB 35962.34 GB) Used Dev Size : 7804327552 (3721.39 GiB 3995.82 GB) Data Offset : 2048 sectors Super Offset : 8 sectors Unused Space : before=1968 sectors, after=32 sectors State : clean Device UUID : e33b11e6:9a94ec8a:a2528d74:eff14c2a Update Time : Tue Apr 5 18:30:43 2022 Checksum : ac50cd36 - correct Events : 231229 Layout : left-symmetric Chunk Size : 64K Device Role : Active device 8 Array State : AAAA.AAAA. ('A' == active, '.' == missing, 'R' == replacing) /dev/sdl3: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 9858866f:1e986c69:0e23d03d:34731de4 Name : NAS:3 (local to host NAS) Creation Time : Sun Aug 9 11:21:40 2020 Raid Level : raid5 Raid Devices : 10 Avail Dev Size : 7804327584 (3721.39 GiB 3995.82 GB) Array Size : 35119473984 (33492.54 GiB 35962.34 GB) Used Dev Size : 7804327552 (3721.39 GiB 3995.82 GB) Data Offset : 2048 sectors Super Offset : 8 sectors Unused Space : before=1968 sectors, after=32 sectors State : clean Device UUID : a564d2ce:0f719a0d:a9b3fc0c:6a93e9b8 Update Time : Tue Apr 5 18:30:43 2022 Checksum : 3ecbd4ec - correct Events : 231229 Layout : left-symmetric Chunk Size : 64K Device Role : Active device 6 Array State : AAAA.AAAA. ('A' == active, '.' == missing, 'R' == replacing)

k i changed the cables