Why can't I mount my Amazon EBS volume?
"When I try to mount my Amazon Elastic Block Store (Amazon EBS) volume, I get the following error:root@:~# mount /dev/nvme2n1 /lv2mount: /lv2: wrong fs type, bad option, bad superblock on /dev/nvme2n1, missing codepage or helper program, or other error."
"When I try to mount my Amazon Elastic Block Store (Amazon EBS) volume, I get the following error:root@:~# mount /dev/nvme2n1 /lv2mount: /lv2: wrong fs type, bad option, bad superblock on /dev/nvme2n1, missing codepage or helper program, or other error.ResolutionWhen you're mounting your Amazon EBS volume, you can get this error because of a UUID conflict issue with the XFS file system.Check if it's a UUID conflict issueTo determine if it's a UUID conflict issue, complete the following steps:1.    Run the blkid command to check the UUID of the file system:root@:~# blkid/dev/nvme0n1p1: LABEL="cloudimg-rootfs" UUID="ce780dbf-6f70-412d-87dd-61654730a231" TYPE="ext4" PARTUUID="bf0d338c-01"......./dev/nvme1n1: UUID="2ddd89c4-415a-4aee-8431-abecdd8c79b8" TYPE="xfs"/dev/nvme2n1: UUID="2ddd89c4-415a-4aee-8431-abecdd8c79b8" TYPE="xfs"2.    Check the Linux kernel ring buffer to confirm that it's a UUID conflict issue.root@:~# blkid..........[ 5444.389157] XFS (nvme2n1): Filesystem has duplicate UUID 2ddd89c4-415a-4aee-8431-abecdd8c79b8 - can't mountIgnore the UUID check, or change the UUID of one of the file systemsIf you don't want to change either of the file systems, then you can use the nouuid option to ignore the UUID check:root@:~# mount -o nouuid /dev/nvme2n1  /lv2root@:~# df -h |grep lv2/dev/nvme2n1   1014M   40M  975M   4% /lv2Or, you can change the UUID of one of the file systems:root@:~# xfs_admin -U generate /dev/nvme2n1Clearing log and setting UUIDwriting all SBsnew UUID = 02f8750a-c482-4ed1-949c-4088f2ecc04aroot@:~#  blkid/dev/nvme0n1p1: LABEL="cloudimg-rootfs" UUID="ce780dbf-6f70-412d-87dd-61654730a231"        TYPE="ext4" PARTUUID="bf0d338c-01"/dev/nvme1n1: UUID="2ddd89c4-415a-4aee-8431-abecdd8c79b8" TYPE="xfs"/dev/nvme2n1: UUID="02f8750a-c482-4ed1-949c-4088f2ecc04a" TYPE="xfs"root@:~# mount /dev/nvme2n1 /lv2Follow"