Dear Colleagues, btrfs thinks that /dev/nvme1n1 has a btrfs:
# btrfs filesystem show
Label: none uuid: 3414ae53-f3d4-43ea-bb88-ffefc9bc86f6
Total devices 1 FS bytes used 1.05TiB
devid 1 size 2.00TiB used 1.33TiB path /dev/nvme0n1
Label: none uuid: 38f74bc8-465d-4866-8ec1-3a144741012c
Total devices 1 FS bytes used 831.16GiB
devid 1 size 3.00TiB used 1.48TiB path /dev/nvme1n1
The problem is that /dev/nvme1n1 is being used for ZFS now, and there is
currently no btrfs thereon. However, there is a btrfs label or something
stuck somewhere, how can I clear it?
I tried to unload/load the btrfs kernel module but it did not help.
It's somewhere on disk, but where?
# blkid | grep nvme1n1
/dev/nvme1n1: UUID="38f74bc8-465d-4866-8ec1-3a144741012c"
UUID_SUB="ada72e33-4467-4413-b78a-1a2392f62e62" TYPE="btrfs"
PTUUID="d73a33f2-2b34-e64b-bc66-128320256a28" PTTYPE="gpt"
/dev/nvme1n1p1: LABEL="fastdrive" UUID="9760009171611183151"
UUID_SUB="5246836986761113023" TYPE="zfs_member"
PARTLABEL="zfs-04c563a98b6424bd" PARTUUID="ca163a7a-0150-714c-8e5f-375f57a8df2c"
/dev/nvme1n1p9: PARTUUID="bbc56956-5581-b449-a114-0ece0378a4c9
# Disk /dev/nvme1n1: 3 TiB, 3298534883328 bytes, 6442450944 sectors
Disk model: Amazon Elastic Block Store
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: D73A33F2-2B34-E64B-BC66-128320256A28
Device Start End Sectors Size Type
/dev/nvme1n1p1 2048 6442432511 6442430464 3T Solaris /usr & Apple ZFS
/dev/nvme1n1p9 6442432512 6442448895 16384 8M Solaris reserved 1
--
Victor Sudakov VAS4-RIPE
http://vas.tomsk.ru/
2:5005/49@fidonet
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