Cephfs layout - replicated top-level, EC subdirectory

gistfile1.txt

[root@hdr-admon01 ec]# ceph df detail; ceph fs ls; ceph fs status
RAW STORAGE:
    CLASS     SIZE        AVAIL       USED        RAW USED     %RAW USED
    hdd       3.3 PiB     3.3 PiB      32 TiB       32 TiB          0.95
    nvme      2.9 TiB     2.9 TiB     504 MiB      2.5 GiB          0.08
    TOTAL     3.3 PiB     3.3 PiB      32 TiB       32 TiB          0.95

POOLS:
    POOL                           ID     STORED      OBJECTS     USED        %USED     MAX AVAIL     QUOTA OBJECTS     QUOTA BYTES     DIRTY     USED COMPR     UNDER COMPR
    cephfs.fs1.metadata             5     162 MiB          63     324 MiB      0.01       1.4 TiB     N/A               N/A                63            0 B             0 B
    cephfs.fs1-replicated.data      6         0 B           0         0 B         0       1.0 PiB     N/A               N/A                 0            0 B             0 B
    cephfs.fs1-ec.data              7     8.0 GiB       2.05k      11 GiB         0       2.4 PiB     N/A               N/A             2.05k            0 B             0 B
name: fs1, metadata pool: cephfs.fs1.metadata, data pools: [cephfs.fs1-replicated.data cephfs.fs1-ec.data ]
fs1 - 4 clients
===
+------+--------+------------+---------------+-------+-------+
| Rank | State  |    MDS     |    Activity   |  dns  |  inos |
+------+--------+------------+---------------+-------+-------+
|  0   | active | hdr-meta02 | Reqs:    0 /s |   29  |   16  |
+------+--------+------------+---------------+-------+-------+
+----------------------------+----------+-------+-------+
|            Pool            |   type   |  used | avail |
+----------------------------+----------+-------+-------+
|    cephfs.fs1.metadata     | metadata |  324M | 1414G |
| cephfs.fs1-replicated.data |   data   |    0  | 1063T |
|     cephfs.fs1-ec.data     |   data   | 11.4G | 2505T |
+----------------------------+----------+-------+-------+
+-------------+
| Standby MDS |
+-------------+
|  hdr-meta01 |
+-------------+
MDS version: ceph version 14.2.5 (ad5bd132e1492173c85fda2cc863152730b16a92) nautilus (stable)

[root@hdr-admon01 ec]# ll /test-fs/ec/
total 12582912
-rw-r--r--. 1 root root 4294967296 Jan 27 22:26 new-file
-rw-r--r--. 2 root root 4294967296 Jan 28 14:06 new-file2
-rw-r--r--. 2 root root 4294967296 Jan 28 14:06 new-file-same-inode-as-newfile2