Hi Bambang, > /dev/sdc1 /usr/local/mariadb/columnstore/gluster2 xfs defaults 1 2 ( > add to /etc/fstab) Add 'noatime' or 'relatime' in order to reduce additional I/O that is used to update access time for the files on the bricks themselves. Also, you can use 'inode64' as a mount option. > command for dbroot1 volume > gluster volume add-brick dbroot1 > 10.1.1.60:/usr/local/mariadb/columnstore/gluster2/brick3 > gluster volume add-brick dbroot1 > 10.1.1.61:/usr/local/mariadb/columnstore/gluster2/brick3 You need to add the bricks in replica set (which means 'replica 2' -> 2 bricks at a time). So it should be like: gluster volume add-brick dbroot1 10.1.1.60:/usr/local/mariadb/columnstore/gluster2/brick3 10.1.1.61:/usr/local/mariadb/columnstore/gluster2/brick3 > gluster volume status dbroot1 <to check status> > gluster volume remove-brick dbroot1 > 10.1.1.60:/usr/local/mariadb/columnstore/gluster1/brick1 start > gluster volume remove-brick dbroot1 > 10.1.1.61:/usr/local/mariadb/columnstore/gluster1/brick1 start Removal of bricks is also done in replica sets (which means 'replica 2' -> 2 bricks at a time). So it should be: gluster volume remove-brick dbroot1 10.1.1.60:/usr/local/mariadb/columnstore/gluster1/brick1 10.1.1.61:/usr/local/mariadb/columnstore/gluster1/brick1 start > gluster volume remove-brick dbroot1 > 10.1.1.60:/usr/local/mariadb/columnstore/gluster1/brick1 status <to > check status> > gluster volume remove-brick dbroot1 > 10.1.1.61:/usr/local/mariadb/columnstore/gluster1/brick1 status <to > check status> Status should be checked with the same command used for start: gluster volume remove-brick dbroot1 10.1.1.60:/usr/local/mariadb/columnstore/gluster1/brick1 10.1.1.61:/usr/local/mariadb/columnstore/gluster1/brick1 status > gluster volume remove-brick dbroot1 > 10.1.1.60:/usr/local/mariadb/columnstore/gluster1/brick1 commit > gluster volume remove-brick dbroot1 > 10.1.1.60:/usr/local/mariadb/columnstore/gluster1/brick1 commit Same for commit: gluster volume remove-brick dbroot1 10.1.1.60:/usr/local/mariadb/columnstore/gluster1/brick1 10.1.1.61:/usr/local/mariadb/columnstore/gluster1/brick1 commit > Repeat for dbroot2 just like for dbroot1. > > The above commands need to execute on one server only? for example in > 10.1.1.60, or need to execute on both server (10.1.1.60 and > 10.1.1.61)? Yes, any node in the cluster. P.S.: If you which , you can leave the old disks and just do a rebalance :) Happy hollidays to all! Best Regards, Strahil Nikolov ________ Community Meeting Calendar: Schedule - Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC Bridge: https://meet.google.com/cpu-eiue-hvk Gluster-users mailing list Gluster-users@xxxxxxxxxxx https://lists.gluster.org/mailman/listinfo/gluster-users