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+++ This bug was initially created as a clone of Bug #980788 +++
Description of problem:
fstrim returns error "FITRIM ioctl failed: Inappropriate ioctl for device" in rhel6, through its help output,
"If this support isn't
present it may give an error or even appear to run but do nothing"
we are not sure, whether it's not support or it's a bug
Version-Release number of selected component (if applicable):
libguestfs-1.20.9-6.el6.x86_64
kernel: 2.6.32-358.el6.x86_64
qemu-kvm-0.12.1.2-2.375.el6.x86_64
How reproducible:
100%
Steps to Reproduce:
[root]# qemu-img create -f qcow2 test.qcow2 100M
[root]# guestfish -a test.qcow2
><fs> run
><fs> mkfs ext2 /dev/sda
><fs> mount /dev/sda /
><fs> df
Filesystem 1K-blocks Used Available Use% Mounted on
tmpfs 98036 0 98036 0% /run
/dev 241996 128 241868 1% /dev
/dev/sda 99150 1550 92480 2% /sysroot
><fs> fstrim /
libguestfs: error: fstrim: fstrim: /: FITRIM ioctl failed: Inappropriate ioctl for device
Actual results:
fstrim give an error
Expected results:
fstrim works well
Additional info:
in rhel7, fstrim does not give error but do nothing,
><fs> df
Filesystem 1K-blocks Used Available Use% Mounted on
tmpfs 97952 76 97876 1% /run
/dev 243196 0 243196 0% /dev
/dev/sda 99150 1550 90432 2% /sysroot
><fs> fstrim /
><fs> df
Filesystem 1K-blocks Used Available Use% Mounted on
tmpfs 97952 76 97876 1% /run
/dev 243196 0 243196 0% /dev
/dev/sda 99150 1550 90432 2% /sysroot
Comment 1Richard W.M. Jones
2014-03-12 14:28:54 UTC
Comment 3RHEL Program Management
2014-03-22 06:44:56 UTC
This request was not resolved in time for the current release.
Red Hat invites you to ask your support representative to
propose this request, if still desired, for consideration in
the next release of Red Hat Enterprise Linux.
Version: libguestfs-1.28.1-1.9.el7.x86_64
Steps:
1. guestfish -a $Guest run : mount /dev/sda1 / : uplaod /raw.img /raw.img
2. check the disk size
guestfish <<EOF
add-drive $Guest format:$Guest_format discard:enable
run
mount-options noatime $mount_device /
rm /raw.img
fstrim /
EOF
3. check the disk size again, and the size is smaller than before.
Verified as above.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2015-0303.html