MDS_FS_MKFS_OPTS=‘-O large_xattr’ sh llmount.sh
Stopping clients: rhel7-1.shadowland /mnt/lustre (opts:-f)
Stopping clients: rhel7-1.shadowland /mnt/lustre2 (opts:-f)
rhel7-1.shadowland: executing set_hostid
detected 4 online CPUs by sysfs
Force libcfs to create 2 CPU partitions
gss/krb5 is not supported
quota/lquota options: ‘hash_lqs_cur_bits=3’
Formatting mgs, mds, osts
Format mds1: /tmp/lustre-mdt1
mkfs.lustre: don’t specify multiple -O options

mkfs.lustre FATAL: mkfs failed 22
mkfs.lustre: exiting with 22 (Invalid argument)