[2024-11-07 08:02:36]  INFO: setup the storage raid10  
[2024-11-07 08:02:36]  INFO: free disk is ['/dev/sdb', '/dev/sda', '/dev/sdc', '/dev/sdd'] 
[2024-11-07 08:02:36]  INFO: raid parameter 
raid_level raid10,  
raid_mem ['/dev/sdb', '/dev/sda', '/dev/sdc', '/dev/sdd'],                    version 1.0,  
bitmap internal,                     
chunk_size 524288                    
extra, [BlockDev.ExtraArg (BDExtraArg) instance (0x7fc6bcc54bf0)
 opt: --bitmap-chunk
 val: 32M

, BlockDev.ExtraArg (BDExtraArg) instance (0x7fc6bcc54b90)
 opt: --consistency-policy
 val: bitmap

, BlockDev.ExtraArg (BDExtraArg) instance (0x7fc6bcc54a70)
 opt: --write-mostly
 val: 

],

kwrags, {'size': '3G'}
 
Sleeping, wait MD resync 


[2024-11-07 08:03:16]  INFO: ######### we start test the case raid_add_remove for raid10 deivce /dev/md/TESTRAID now ############ 
/home/bd.0ucs8y_v-loop_test
Traceback (most recent call last):
  File "/home/libblockdev/luks_main.py", line 180, in <module>
    getattr(obj, c)(target)
  File "/home/libblockdev/md/raid.py", line 90, in raid_add_remove
    succ = bd.md_add(device, new_dev1 , num+1, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.12/site-packages/gi/overrides/BlockDev.py", line 1037, 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: added /dev/loop0
mdadm: Insufficient head-space for reshape on /dev/sdc
 (0)


after add the device 

[root@storageqe-109 libblockdev]# mdadm -D /dev/md/TESTRAID 
/dev/md/TESTRAID:
           Version : 1.0
     Creation Time : Thu Nov  7 08:02:36 2024
        Raid Level : raid10
        Array Size : 6291456 (6.00 GiB 6.44 GB)
     Used Dev Size : 3145728 (3.00 GiB 3.22 GB)
      Raid Devices : 4
     Total Devices : 5
       Persistence : Superblock is persistent

     Intent Bitmap : Internal

       Update Time : Thu Nov  7 08:03:16 2024
             State : clean 
    Active Devices : 4
   Working Devices : 5
    Failed Devices : 0
     Spare Devices : 1

            Layout : near=2
        Chunk Size : 512K

Consistency Policy : bitmap

              Name : TESTRAID
              UUID : 80358945:c3003d6b:ada73277:dfb0f57b
            Events : 25

    Number   Major   Minor   RaidDevice State
       0       8       16        0      active sync set-A   /dev/sdb
       1       8        0        1      active sync set-B   /dev/sda
       2       8       32        2      active sync set-A   /dev/sdc
       3       8       48        3      active sync set-B   /dev/sdd

       4       7        0        -      spare   /dev/loop0
[root@storageqe-109 libblockdev]#