| Problems encountered increasing CT diskspace with layout=ploop [message #45626] |
Fri, 23 March 2012 18:27  |
jjs - mainphrame
Messages: 44
Registered: January 2012
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Running kernel 2.6.32-042stab053.3, vzctl-3.1 and ploop-1.1 on centos-6.2
32 bit, I created 2 similar vswap-256 CTs running debian-5.0-x86.
The only appreciable difference between the CTs is the layout: CT 777 is
simfs, CT 779 is ploop
[root@mrmber conf]# for i in `vzlist -1`; do ech0 $i; vzctl exec $i df -T;
done
777
Filesystem Type 1K-blocks Used Available Use% Mounted on
/dev/simfs simfs 2097152 376820 1720332 18% /
tmpfs tmpfs 131072 0 131072 0% /lib/init/rw
tmpfs tmpfs 131072 0 131072 0% /dev/shm
779
Filesystem Type 1K-blocks Used Available Use% Mounted on
/dev/ploop0p1 ext4 2268760 445756 1707756 21% /
tmpfs tmpfs 131072 0 131072 0% /lib/init/rw
tmpfs tmpfs 131072 0 131072 0% /dev/shm
We can successfully resize the simfs-based CT 777:
[root@mrmber conf]# vzctl set 777 --diskspace=20000000:24000000 --save
CT configuration saved to /etc/vz/conf/777.conf
But attempting to resize ploop-based CT 779 results in an error:
[root@mrmber conf]# vzctl set 779 --diskspace=20000000:24000000 --save
Can't ioctl mount_point: No such file or directory
Failed to resize image: Can't ioctl mount_point: No such file or directory
[3]
CT configuration saved to /etc/vz/conf/779.conf
[root@mrmber conf]# for i in `vzlist -1`; do echo $i; vzctl exec $i df -T ;
done
777
Filesystem Type 1K-blocks Used Available Use% Mounted on
/dev/simfs simfs 20000000 376820 18532204 2% /
tmpfs tmpfs 131072 0 131072 0% /lib/init/rw
tmpfs tmpfs 131072 0 131072 0% /dev/shm
779
Filesystem Type 1K-blocks Used Available Use% Mounted on
/dev/ploop0p1 ext4 2268760 445756 1707756 21% /
tmpfs tmpfs 131072 0 131072 0% /lib/init/rw
tmpfs tmpfs 131072 0 131072 0% /dev/shm
[root@mrmber conf]#
Any advice on where to look for more info? dmesg had nothing to say about
it, and vzctl.log says only what the command reported above.
Regards,
Joe
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