Hello, I'm just getting started with GlusterFS, so please forgive what's probably a newbie question. I searched the mailing list archives and didn't see anything about this, so I figured I'd just ask. I'm running four VMs on a single machine to learn the ropes a little bit. Each VM is set up the same way, with an OS disk and a separate disk (formatted as xfs) for use as a brick. Initially I created a dispersed volume using three bricks with replication 1. That seems to work pretty well. Now I'm trying to add a fourth brick to the volume, but am receiving an error when I try: root@gluster1:~# gluster volume add-brick test1 gluster4:/export/gfs/brick volume add-brick: failed: Incorrect number of bricks supplied 1 with count 3 Have I misunderstood how dispersed volumes work? I was under the impression (from the documentation at https://docs.gluster.org/en/latest/Administrator%20Guide/Managing%20Volumes/#expanding-volumes) that bricks could be added to dispersed volumes so long as they were added N at a time, where N is the replication value. This error message makes it sound like I need to add three bricks at once instead. Is it possible to expand dispersed volumes like this? Or would I be better off doing this with a "regular" replicated volume? I'm interested in using dispersed volumes because of the space savings, but I'm a bit confused about how expansion works for them. Thanks for you help! ________ Community Meeting Calendar: APAC Schedule - Every 2nd and 4th Tuesday at 11:30 AM IST Bridge: https://bluejeans.com/118564314 NA/EMEA Schedule - Every 1st and 3rd Tuesday at 01:00 PM EDT Bridge: https://bluejeans.com/118564314 Gluster-users mailing list Gluster-users@xxxxxxxxxxx https://lists.gluster.org/mailman/listinfo/gluster-users