Hi, i've tried to format the Drive sdj1 in my tmbackups pool; but it never succeeds. Looks like there is a bug as the device will not be named correctly (bold marked) Jun 17 19:31:16 StorageTower emhttpd: creating volume: tmbackups (btrfs) Jun 17 19:31:16 StorageTower emhttpd: shcmd (171): /sbin/wipefs -af --lock /dev/sdj Jun 17 19:31:16 StorageTower root: /dev/sdj: 8 bytes were erased at offset 0x00000200 (gpt): 45 46 49 20 50 41 52 54 Jun 17 19:31:16 StorageTower root: /dev/sdj: 8 bytes were erased at offset 0x74702555e00 (gpt): 45 46 49 20 50 41 52 54 Jun 17 19:31:16 StorageTower root: /dev/sdj: 2 bytes were erased at offset 0x000001fe (PMBR): 55 aa Jun 17 19:31:16 StorageTower emhttpd: writing GPT on disk (sdj), with partition 1 byte offset 32KiB, erased: 0 Jun 17 19:31:16 StorageTower emhttpd: shcmd (172): sgdisk -Z /dev/sdj Jun 17 19:31:29 StorageTower root: Creating new GPT entries in memory. Jun 17 19:31:29 StorageTower root: GPT data structures destroyed! You may now partition the disk using fdisk or Jun 17 19:31:29 StorageTower root: other utilities. Jun 17 19:31:29 StorageTower emhttpd: shcmd (173): sgdisk -o -a 8 -n 1:32K:0 /dev/sdj Jun 17 19:31:34 StorageTower root: Creating new GPT entries in memory. Jun 17 19:31:34 StorageTower root: The operation has completed successfully. Jun 17 19:31:34 StorageTower kernel: sdj: sdj1 Jun 17 19:31:34 StorageTower emhttpd: shcmd (174): udevadm settle Jun 17 19:31:35 StorageTower emhttpd: /bin/lsblk -lnbo TYPE,PARTN,NAME,START,SIZE,PTTYPE,PARTTYPE /dev/sdj 2>&1 Jun 17 19:31:35 StorageTower emhttpd: disk sdj 8001563222016 gpt Jun 17 19:31:35 StorageTower emhttpd: part sdj1 64 8001563172352 gpt Jun 17 19:31:35 StorageTower emhttpd: device sdj: no partitions Jun 17 19:31:35 StorageTower emhttpd: shcmd (175): /sbin/wipefs -af --lock /dev/ Jun 17 19:31:35 StorageTower root: wipefs: error: /dev/: probing initialization failed: Is a directory Jun 17 19:31:35 StorageTower emhttpd: shcmd (175): exit status: 1 Jun 17 19:31:35 StorageTower emhttpd: /sbin/mkfs.btrfs -f -d single -m dup /dev/ Jun 17 19:31:35 StorageTower emhttpd: btrfs-progs v6.14 Jun 17 19:31:35 StorageTower emhttpd: See https://btrfs.readthedocs.io for more information. Jun 17 19:31:35 StorageTower emhttpd: mounting /mnt/tmbackups Jun 17 19:31:35 StorageTower emhttpd: shcmd (176): mkdir -m 0666 -p /mnt/tmbackups Jun 17 19:31:35 StorageTower emhttpd: shcmd (177): rmdir /mnt/tmbackups Jun 17 19:31:35 StorageTower emhttpd: tmbackups: mount error: no file system Jun 17 19:31:36 StorageTower kernel: mdcmd (39): check resume Unraid Version: 7.1.2