Use fstrim to zero out empty space rather than forcing it with dd

This didn't work with appliance-creator but _should_ for imagefactory. It's
a whole lot faster too.
This commit is contained in:
Matthew Miller 2014-10-23 15:30:24 -04:00
parent c99924252b
commit 99c9224ef5
4 changed files with 8 additions and 20 deletions

View File

@ -131,11 +131,8 @@ rm -f /var/lib/rpm/__db*
dd if=/usr/share/syslinux/mbr.bin of=/dev/vda
echo "Zeroing out empty space."
# This forces the filesystem to reclaim space from deleted files
dd bs=1M if=/dev/zero of=/var/tmp/zeros || :
rm -f /var/tmp/zeros
echo "(Don't worry -- that out-of-space error was expected.)"
echo "Zeroing out empty space with fstrim."
/usr/sbin/fstrim /
%end

View File

@ -210,11 +210,8 @@ chattr -i /boot/extlinux/ldlinux.sys
/usr/sbin/fixfiles -R -a restore
chattr +i /boot/extlinux/ldlinux.sys
echo "Zeroing out empty space."
# This forces the filesystem to reclaim space from deleted files
dd bs=1M if=/dev/zero of=/var/tmp/zeros || :
rm -f /var/tmp/zeros
echo "(Don't worry -- that out-of-space error was expected.)"
echo "Zeroing out empty space with fstrim."
/usr/sbin/fstrim /
%end

View File

@ -216,11 +216,8 @@ chattr -i /boot/extlinux/ldlinux.sys
/usr/sbin/fixfiles -R -a restore
chattr +i /boot/extlinux/ldlinux.sys
echo "Zeroing out empty space."
# This forces the filesystem to reclaim space from deleted files
dd bs=1M if=/dev/zero of=/var/tmp/zeros || :
rm -f /var/tmp/zeros
echo "(Don't worry -- that out-of-space error was expected.)"
echo "Zeroing out empty space with fstrim."
/usr/sbin/fstrim /
%end

View File

@ -208,11 +208,8 @@ chattr -i /boot/extlinux/ldlinux.sys
/usr/sbin/fixfiles -R -a restore
chattr +i /boot/extlinux/ldlinux.sys
echo "Zeroing out empty space."
# This forces the filesystem to reclaim space from deleted files
dd bs=1M if=/dev/zero of=/var/tmp/zeros || :
rm -f /var/tmp/zeros
echo "(Don't worry -- that out-of-space error was expected.)"
echo "Zeroing out empty space with fstrim."
/usr/sbin/fstrim /
%end