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I am able to mount /dev/md0 device but not sdc1. While mounting sdc1 getting below error.

sudo mount /dev/sdc1 /mnt/s1/
mount: /mnt/s1: unknown filesystem type 'linux_raid_member'.
janardha@saankhya-virtual-machine:~$ sudo mdadm --assemble
Gerald Schneider
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Janardha Veeramreddy
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  • There are many confusing things here. You have RAID inside a virtual machine? And why are you trying to mount component drives directly? This breaks your RAID data. – Halfgaar Mar 29 '22 at 12:42
  • In addition to that, please provide the output of `lsblk`. – Nikita Kipriyanov Mar 29 '22 at 13:09
  • Yes, I am trying raid inside virtual Machine. I copied some data to my raid device(/dev/md0), I want to check same data is copied to component drives(/dev/sdc1) or not. lsblk info: sda 8:0 0 96G 0 disk ├─sda1 8:1 0 64G 0 part / └─sda2 8:2 0 1M 0 part sdb 8:16 0 16G 0 disk └─sdb1 8:17 0 7.2G 0 part └─md0 9:0 0 7.2G 0 raid1 sdc 8:32 0 16G 0 disk └─sdc1 8:33 0 7.2G 0 part └─md0 9:0 0 7.2G 0 raid1 – Janardha Veeramreddy Mar 30 '22 at 05:28
  • Raid command I used: sudo mdadm --verbose --create /dev/md0 --level=1 --raid-devices=2 /dev/sdb1 /dev/sdc1 – Janardha Veeramreddy Mar 30 '22 at 05:28
  • lsblk info: sda 8:0 0 96G 0 disk ├─sda1 8:1 0 64G 0 part └─sda2 8:2 0 1M 0 part sdb 8:16 0 16G 0 disk └─sdb1 8:17 0 7.2G 0 part └─md0 9:0 0 7.2G 0 raid1 sdc 8:32 0 16G 0 disk └─sdc1 8:33 0 7.2G 0 part └─md0 9:0 0 7.2G 0 raid1 – Janardha Veeramreddy Mar 30 '22 at 10:33

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