[2024-10-28 22:30:55]  INFO: setup the storage raid1
[2024-10-28 22:30:55]  INFO: free disk is ['/dev/loop0', '/dev/loop1']
[2024-10-28 22:30:55]  INFO: raid parameter raid_level raid1,  raid_mem ['/dev/loop0', '/dev/loop1'],                    version None,  bitmap internal,                     chunk_size 0                    extra, [BlockDev.ExtraArg (BDExtraArg) instance (0x7fc5e76969f0)
 opt: --write-mostly
 val:
, BlockDev.ExtraArg (BDExtraArg) instance (0x7fc5e7696930)
 opt: --bitmap-chunk
 val: 128M
],                     kwrags, {'size': '3G'}
Sleeping, wait MD resync
Sleeping, wait MD resync
Sleeping, wait MD resync
Sleeping, wait MD resync



>>> d1 = "/dev/%s" % o.add_loop()
/home/bd.gc_hfuw5-loop_test
>>> d2 = "/dev/%s" % o.add_loop()
/home/bd.2col18w5-loop_test
>>> o.bd.md_add("TESTRAID", d1, 0, None)
True


>>> o.bd.md_add("TESTRAID", d1, 3, [o.bd.ExtraArg.new("--level", "5")])
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib64/python3.12/site-packages/gi/overrides/BlockDev.py", line 1031, in md_add
    return _md_add(raid_spec, device, raid_devs, extra)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
gi.repository.GLib.GError: g-bd-utils-exec-error-quark: Process reported exit code 1: mdadm: Can only convert a 2-device array to RAID5
 (0)
>>> raid=o.bd.md_detail("TESTRAID")
>>> print(raid.active_devices)
3
>>> print(raid.device)
/dev/md/TESTRAID
>>> print(raid.failed_devices)
0
>>> print(raid.level)
raid1
>>> print(raid.raid_devices)
3
>>>
>>> print(raid.total_devices)
4
>>>
      

[root@storageqe-65]# mdadm -D /dev/md/TESTRAID 
/dev/md/TESTRAID:
           Version : 1.2
     Creation Time : Mon Oct 28 22:30:55 2024
        Raid Level : raid1
        Array Size : 3145728 (3.00 GiB 3.22 GB)
     Used Dev Size : 3145728 (3.00 GiB 3.22 GB)
      Raid Devices : 3
     Total Devices : 4
       Persistence : Superblock is persistent     Intent Bitmap : Internal       Update Time : Mon Oct 28 22:58:19 2024
             State : clean 
    Active Devices : 3
   Working Devices : 4
    Failed Devices : 0
     Spare Devices : 1Consistency Policy : bitmap              Name : TESTRAID
              UUID : cdf991ff:2bda37da:6cf16808:e09298b0
            Events : 68    Number   Major   Minor   RaidDevice State
       2       7        2        0      active sync   /dev/loop2
       1       7        1        1      active sync   /dev/loop1
       3       7        3        2      active sync   /dev/loop3       4     259        5        -      spare   /dev/nvme0n1p1
[root@storageqe-65]#