CEPHFS
===========================================================================
root@sds-ceph:/mnt/cephfs/volumes/_nogroup/test1/d5052b71-39ec-4d0a-9b0b-2091e1723538# mkdir dir1
root@sds-ceph:/mnt/cephfs/volumes/_nogroup/test1/d5052b71-39ec-4d0a-9b0b-2091e1723538# stat dir1
  File: dir1
  Size: 0               Blocks: 0          IO Block: 65536  directory
Device: 28h/40d Inode: 1099511714911  Links: 2
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2023-05-24 11:09:25.260851345 +0530
Modify: 2023-05-24 11:09:25.260851345 +0530
Change: 2023-05-24 11:09:25.260851345 +0530
Birth: 2023-05-24 11:09:25.260851345 +0530
root@sds-ceph:/mnt/cephfs/volumes/_nogroup/test1/d5052b71-39ec-4d0a-9b0b-2091e1723538#  touch -m -d '26 Aug 1982 22:00' dir1
root@sds-ceph:/mnt/cephfs/volumes/_nogroup/test1/d5052b71-39ec-4d0a-9b0b-2091e1723538# stat dir1/
  File: dir1/
  Size: 0               Blocks: 0          IO Block: 65536  directory
Device: 28h/40d Inode: 1099511714911  Links: 2
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2023-05-24 11:09:25.260851345 +0530
Modify: 1982-08-26 22:00:00.000000000 +0530
Change: 2023-05-24 11:10:04.881454967 +0530
Birth: 2023-05-24 11:09:25.260851345 +0530
root@sds-ceph:/mnt/cephfs/volumes/_nogroup/test1/d5052b71-39ec-4d0a-9b0b-2091e1723538# mkdir dir1/dir2
root@sds-ceph:/mnt/cephfs/volumes/_nogroup/test1/d5052b71-39ec-4d0a-9b0b-2091e1723538# stat dir1/
  File: dir1/
  Size: 1               Blocks: 0          IO Block: 65536  directory
Device: 28h/40d Inode: 1099511714911  Links: 3
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2023-05-24 11:09:25.260851345 +0530
Modify: 1982-08-26 22:00:00.000000000 +0530
Change: 2023-05-24 11:10:19.141672220 +0530
Birth: 2023-05-24 11:09:25.260851345 +0530
root@sds-ceph:/mnt/cephfs/volumes/_nogroup/test1/d5052b71-39ec-4d0a-9b0b-2091e1723538#
 
 
LINUX FS
===============================================================
root@sds-ceph:~# mkdir dir1
root@sds-ceph:~# stat dir1
  File: dir1
  Size: 4096            Blocks: 8          IO Block: 4096   directory
Device: fe00h/65024d    Inode: 419381      Links: 2
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2023-05-24 11:12:06.027300465 +0530
Modify: 2023-05-24 11:12:06.027300465 +0530
Change: 2023-05-24 11:12:06.027300465 +0530
Birth: 2023-05-24 11:12:06.027300465 +0530
root@sds-ceph:~#  touch -m -d '26 Aug 1982 22:00' dir1
root@sds-ceph:~# stat dir1
  File: dir1
  Size: 4096            Blocks: 8          IO Block: 4096   directory
Device: fe00h/65024d    Inode: 419381      Links: 2
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2023-05-24 11:12:06.027300465 +0530
Modify: 1982-08-26 22:00:00.000000000 +0530
Change: 2023-05-24 11:12:13.463413735 +0530
Birth: 2023-05-24 11:12:06.027300465 +0530
root@sds-ceph:~# mkdir dir1/dir2
root@sds-ceph:~# stat dir1
  File: dir1
  Size: 4096            Blocks: 8          IO Block: 4096   directory
Device: fe00h/65024d    Inode: 419381      Links: 3
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2023-05-24 11:12:06.027300465 +0530
Modify: 2023-05-24 11:12:22.231547292 +0530
Change: 2023-05-24 11:12:22.231547292 +0530
Birth: 2023-05-24 11:12:06.027300465 +0530
root@sds-ceph:~#