On 01/14/2012 11:14 AM, Herbert Poetzl wrote: > On Sat, Jan 14, 2012 at 09:47:19AM +0100, Roberto Puzzanghera wrote: >> On 01/14/2012 12:48 AM, Herbert Poetzl wrote: >>> On Fri, Jan 13, 2012 at 07:26:13PM +0100, Roberto Puzzanghera wrote: >>>> On 01/13/2012 06:02 PM, Herbert Poetzl wrote: >>>>> On Fri, Jan 13, 2012 at 05:10:46PM +0100, Roberto Puzzanghera wrote: >>>>>> [...] > >>>>>>> no, I don't think that will be necessary, but >>>>>>> could you run the following script on your system >>>>>>> and provide upload the output somewhere/ > >>>>>>> # mkdir /test >>>>>>> # testfs.sh -vvv -x -F ext4 -M /test -D<device> > >>>>>>> note that<device> should be a partition, disk or >>>>>>> loopback device you do not mind to be reformatted >>>>>>> with ext4 (all data will be destroyed) > >>>>>>> you can simply create one with: >>>>>>> # dd if=/dev/zero of=/path/to/somewhere bs=1M count=1024 >>>>>>> # losetup /dev/loop0 /path/to/somewhere > >>>>>>> also, no problem to use /mnt or /media/test instead >>>>>>> of just /test (i.e. it doesn't matter as long as >>>>>>> you specify the path in -M<path>) > >>>>>>> the test script can be found here: >>>>>>> http://vserver.13thfloor.at/Stuff/SCRIPT/testfs.sh > >>>> # dd if=/dev/zero of=/mnt/testfs bs=1M count=1024 >>>> # losetup /dev/loop0 /mnt/testfs >>>> # mount -t ext4 /dev/loop0 /mnt/tmp/ >>>> # testfs.sh -vvv -x -F ext4 -M /mnt/tmp/ -D /dev/loop0 > >>> do not mount any filesystem on /mnt/tmp and do not >>> mount or busy /dev/loop0 in any way, filesystem >>> creation and mounting will be done by testfs.sh > >> The output follows > >> best regards >> Roberto Puzzanghera > > >> # dd if=/dev/zero of=/usr/local/testfs bs=1M count=1024 >> # losetup /dev/loop0 /usr/local/testfs >> # ./testfs.sh -vvv -x -F ext4 -M /mnt -D /dev/loop0 >> Linux-VServer FS Test [V0.23] Copyright (C) 2005-2009 H.Poetzl >> Linux 3.1.4-vs2.3.2.1-smp x86_64/0.30.216 >> VCI: 0002:0308 236 13000f11 (ID24) >> --- >> testing ext4 filesystem ... >> mke2fs 1.41.14 (22-Dec-2010) >> Filesystem label= >> OS type: Linux >> Block size=4096 (log=2) >> Fragment size=4096 (log=2) >> Stride=0 blocks, Stripe width=0 blocks >> 65536 inodes, 262144 blocks >> 13107 blocks (5.00%) reserved for the super user >> First data block=0 >> Maximum filesystem blocks=268435456 >> 8 block groups >> 32768 blocks per group, 32768 fragments per group >> 8192 inodes per group >> Superblock backups stored on blocks: >> 32768, 98304, 163840, 229376 > >> Writing inode tables: done >> Creating journal (8192 blocks): done >> Writing superblocks and filesystem accounting information: done > >> This filesystem will be automatically checked every 24 mounts or >> 180 days, whichever comes first. Use tune2fs -c or -i to override. >> [000]# succeeded. >> mount -t ext4 -o rw /dev/loop0 /mnt 3>&2 >> [001]# succeeded. >> mount -o remount,rw,tag /mnt 3>&2 >> mount: /mnt not mounted already, or bad option >> [002]# succeeded. >> tag related tests ... >> mount -t ext4 -o rw,tag /dev/loop0 /mnt 3>&2 >> [011]# succeeded. >> do_tag_touch /mnt 0 1 255 256 666 >> touch /mnt/file_1: 0 >> vtag --migrate --tag 0 -- touch /mnt/file_1 >> touch /mnt/file_2: 1 >> vtag --migrate --tag 1 -- touch /mnt/file_2 >> touch /mnt/file_3: 255 >> vtag --migrate --tag 255 -- touch /mnt/file_3 >> touch /mnt/file_4: 256 >> vtag --migrate --tag 256 -- touch /mnt/file_4 >> touch /mnt/file_5: 666 >> vtag --migrate --tag 666 -- touch /mnt/file_5 >> [012]# succeeded. >> do_tag_verify /mnt 0 1 255 256 666 >> verify /mnt/file_1: 0 = 0 >> verify /mnt/file_2: 1 = 1 >> verify /mnt/file_3: 255 = 255 >> verify /mnt/file_4: 256 = 256 >> verify /mnt/file_5: 666 = 666 >> [014]# succeeded. > > this shows that tagging on ext4 works perfectly fine, > please verify (with 'cat /proc/mounts' on the host) > that your filesystem is indeed mounted with the 'tag' > option when you try to do tagging related operations > > note: it was observed that, for yet unknown reasons, > sometimes the 'tag' option isn't used/recognized > despite the fact that it is present in host/guest > fstab ... > > HTH, > Herbert yes, it's seems this is the case. I have the tag option in my fstab, but: # cat /proc/mounts /dev/sda3 /usr/local ext4 rw,relatime,user_xattr,barrier=1,data=ordered,jqfmt=vfsv0,usrjquota=aquota.user,grpjquota=aquota.group 0 0 tonight I will try to fix and let you know thank you, best regards Roberto Puzzanghera