Angel, Limiting filesystem size by tuning the params of statfs() is not possible. statfs values are only meant to be a reference to the user, and not limiting in any ways. So even if you get the tuning right, it will only be reflected in 'df' output, and the filesystem will actually still be able to grow than 1GB in size. What really needs to be done is filtering write() calls and other calls which create new inodes, This, in my opinion, is best done as a quota translator, with your requirements being a global quota option. avati 2008/1/17, Angel <clist@xxxxxx>: > > Hi, all > > This is my first proof of concept of limiting filsystem size on posix > xlator. > This far easy that implementing interception on filter module by now :-P > > test setup local posix xlator mounted on /home/sinosuke/mnt > mounted directory is void. > > cmd line is: > glusterfs -N -L WARNING -l /dev/stdout -n trace-volume -f > /etc/glusterfs/client_posix.vol /home/sinosuke/mnt > > RESULTS > > Normal posix xlator (as 1.3.8tla363) > df -h > S.ficheros Size Used Avail Uso% Montado en > /dev/sda2 9,9G 4,6G 4,9G 49% / > udev 502M 88K 502M 1% /dev > /dev/sda4 50G 21G 30G 42% /home > glusterfs 50G 21G 30G 42% /home/sinosuke/mnt > > proof of concept posix xlator mountes /home/sinosuke/mnt with option > "max-size 1GB" > > sinosuke@sushiba:~/mnt> sinosuke@sushiba:~> df -h > S.ficheros Size Used Avail Uso% Montado en > /dev/sda2 9,9G 4,6G 4,9G 49% / > udev 502M 88K 502M 1% /dev > /dev/sda4 50G 21G 30G 42% /home > glusterfs 1,0G -29G 30G - /home/sinosuke/mnt > > > Other values ( used and vailable ) get insane values as they dont match > current filesize reported :-( > > > Comments welcome > > > Kind regards, Angel > > > -- > ------------------------------------------------ > Clist UAH > ------------------------------------------------ > > _______________________________________________ > Gluster-devel mailing list > Gluster-devel@xxxxxxxxxx > http://lists.nongnu.org/mailman/listinfo/gluster-devel > > > -- If I traveled to the end of the rainbow As Dame Fortune did intend, Murphy would be there to tell me The pot's at the other end.
