Usb btrfs raid problems

Operating System
1

some how my usb drives in raid 1 got lost after update to 1.7.1 beta 1 it remained the same after beta 2 now is same after upgrade to 1.7.1 release i have these three snaps of

Screenshot 2026-08-24 at 21-46-32 ZimaOS
Screenshot 2026-08-24 at 21-46-32 ZimaOS898×913 39.2 KB

Screenshot 2026-08-24 at 21-45-58 ZimaOS
Screenshot 2026-08-24 at 21-45-58 ZimaOS943×910 120 KB

Screenshot 2026-08-24 at 21-47-14 ZimaOS
Screenshot 2026-08-24 at 21-47-14 ZimaOS902×823 30.2 KB

only problem i found with this OS is lack of drive tools and not being able to recover btrfs raid drives reliably or at all can someone tell me how to remove the disks that’s not really missing please

2

Please run this command:

curl -fsSL https://get.casaos.io/diskinfo.sh | sudo bash
And go to files find diskinfo.log files，plase send via email: dina@icewhale.org

3

i have email diskinfo.log

1 Like
4

can this usb-storage be a ghost because nothing sees it or i can’t find it any where except in gui

sudo btrfs filesystem show
Password:
Label: none uuid: e2e7b9f2-6d10-72a9-56d8-f4e1da88703c
Total devices 1 FS bytes used 269.38GiB
devid 1 size 5.46TiB used 274.02GiB path /dev/md0

Label: none uuid: 4eccd8ec-3dff-0050-9eed-008c00cb1fac
Total devices 1 FS bytes used 4.46TiB
devid 1 size 10.92TiB used 4.50TiB path /dev/md1

dreadylock3@Aoostar:~ ➜ $ sudo mdadm --detail /dev/md0
Password:
/dev/md0:
Version : 1.2
Creation Time : Wed Aug 5 02:26:26 2026
Raid Level : raid5
Array Size : 5860147200 (5.46 TiB 6.00 TB)
Used Dev Size : 1953382400 (1862.89 GiB 2000.26 GB)
Raid Devices : 4
Total Devices : 4
Persistence : Superblock is persistent

 Intent Bitmap : Internal

   Update Time : Thu Aug 27 16:17:40 2026
         State : active 
Active Devices : 4

Working Devices : 4
Failed Devices : 0
Spare Devices : 0

        Layout : left-symmetric
    Chunk Size : 512K

Consistency Policy : bitmap

          Name : zimaos:fc5616382c017331
          UUID : e2e7b9f2:6d1072a9:56d8f4e1:da88703c
        Events : 1180

Number   Major   Minor   RaidDevice State
   0       8       96        0      active sync   /dev/sdg
   1       8      112        1      active sync   /dev/sdh
   2       8      128        2      active sync   /dev/sdi
   4     259        0        3      active sync   /dev/nvme1n1

dreadylock3@Aoostar:~ ➜ $ sudo mdadm --detail /dev/md1
/dev/md1:
Version : 1.2
Creation Time : Fri Aug 7 02:22:16 2026
Raid Level : raid5
Array Size : 11720780800 (10.92 TiB 12.00 TB)
Used Dev Size : 5860390400 (5.46 TiB 6.00 TB)
Raid Devices : 3
Total Devices : 3
Persistence : Superblock is persistent

 Intent Bitmap : Internal

   Update Time : Wed Aug 26 09:38:45 2026
         State : clean 
Active Devices : 3

Working Devices : 3
Failed Devices : 0
Spare Devices : 0

        Layout : left-symmetric
    Chunk Size : 512K

Consistency Policy : bitmap

          Name : zimaos:f4f0183d2063b8fe
          UUID : 4eccd8ec:3dff0050:9eed008c:00cb1fac
        Events : 8523

Number   Major   Minor   RaidDevice State
   0       8       80        0      active sync   /dev/sdf
   1       8        0        1      active sync   /dev/sda
   3       8       48        2      active sync   /dev/sdd

cat /proc/mdstat
Personalities : [raid4] [raid5] [raid6]
md0 : active raid5 sdg[0] nvme1n1[4] sdi[2] sdh[1]
5860147200 blocks super 1.2 level 5, 512k chunk, algorithm 2 [4/4] [UUUU]
bitmap: 0/15 pages [0KB], 65536KB chunk

md1 : active raid5 sdf[0] sdd[3] sda[1]
11720780800 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/3] [UUU]
bitmap: 0/44 pages [0KB], 65536KB chunk

unused devices: