mkfs error: "existing superblock read failed: Inappropriate ioctl for device"

Alexander Tsvetkov
2015-03-26T13:25:32Z

Hello,

I have the following error message: "existing superblock read failed:
Inappropriate ioctl for device"
after attempt to make xfs image with "mkfs.xfs -f -m crc=1 -d
file=1,name=xfs.fs,size=32m":

"meta-data=xfs.fs isize=256 agcount=2, agsize=4096 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0 finobt=0
data = bsize=4096 blocks=8192, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal log bsize=4096 blocks=853, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
existing superblock read failed: Inappropriate ioctl for device"

Filesystem is created and mounted as usually, xfs_repair passes, no
messages in the system log.
Configuration: Fedora 20 x86_64 on vbox, kernel 4.0.0-rc5, xfsprogs
version 3.2.2.

Thanks,
Alexander Tsvetkov

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