How to show characteristics of a not mounted XFS Fielsystem?
Issue
Using xfs_info will work on mounted filesystems.
# xfs_info /data
meta-data=/dev/mapper/data isize=512 agcount=4, agsize=16000 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0 spinodes=0
data = bsize=4096 blocks=64000, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=855, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
However, when using this command on an umounted filesystem the following error is seen:
"xfs_info: /dev/[device] is not a mounted XFS filesystem"
Environment
Red Hat Enterprise Linux 7
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