$ dmg pool create --size=50G
Creating DAOS pool with automatic storage allocation: 50 GB NVMe + 6.00% SCM
ERROR: dmg: pool create failed: DER_NOSPACE(-1007): No space on storage target

# Workaround: dmg storage query scan to find current available storage
$ dmg storage query usage
Hosts  SCM-Total SCM-Free SCM-Used NVMe-Total NVMe-Free NVMe-Used 
-----  --------- -------- -------- ---------- --------- --------- 
boro-8 17 GB     6.0 GB   65 %     0 B        0 B       N/A       

$ dmg pool create --size=2G
Creating DAOS pool with automatic storage allocation: 2.0 GB NVMe + 6.00% SCM
Pool created with 100.00% SCM/NVMe ratio
-----------------------------------------
  UUID          : b5ce2954-3f3e-4519-be04-ea298d776132
  Service Ranks : 0                                   
  Storage Ranks : 0                                   
  Total Size    : 2.0 GB                              
  SCM           : 2.0 GB (2.0 GB / rank)              
  NVMe          : 0 B (0 B / rank)                    

$ dmg storage query usage
Hosts  SCM-Total SCM-Free SCM-Used NVMe-Total NVMe-Free NVMe-Used 
-----  --------- -------- -------- ---------- --------- --------- 
boro-8 17 GB     2.9 GB   83 %     0 B        0 B       N/A       

$ sudo yum install -y fio
or
$ sudo yum install -y daos-tests

$ /usr/bin/fusermount -u /tmp/daos_test1/

$ /usr/bin/df -h -t fuse.daos
df: no file systems processed

$ sudo yum install -y mpich
$ sudo yum install -y mdtest
$ sudo yum install -y Lmod
$ sudo module load mpi/mpich-x86_64
$ /usr/bin/touch /tmp/daos_test1/testfile