xfs

xfs is default file system for RHEL 7.

To format a partition in xfs format, run

mkfs.xfs /dev/sdXX

Example

[root@ssd ~]# mkfs.xfs /dev/sdc1
meta-data=/dev/sdc1              isize=512    agcount=6, agsize=268435455 blks
         =                       sectsz=4096  attr=2, projid32bit=1
         =                       crc=1        finobt=0, sparse=0
data     =                       bsize=4096   blocks=1464843520, imaxpct=5
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0 ftype=1
log      =internal log           bsize=4096   blocks=521728, version=2
         =                       sectsz=4096  sunit=1 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
[root@ssd ~]# 

Failed to mount /sysroot XFS Boot failure
fs