Thanks for the hint about force", I didn't try that.
On the other side I am thankful for the error/warning which prevented me to create the volume because I just thought of a scenario which could result in problems.Imagine you have a LV you want to use for the gluster volume. Now you mount this LV to /mnt/gluster1. You do this on the other host(s), too and you create the gluster volume with /mnt/gluster1 as brick.
By mistake you forget to add the mount entry to fstab so the next time you reboot server1, /mnt/gluster1 will be there (because it's the mountpoint) but the data is gone (because the LV is not mounted).
I don't know how gluster would handle that but it's actually easy to try it out :)So using a subfolder within the mountpoint makes sense, because that subfolder will not exist when the mount of the LV didn't happen.
On Sep 12, 2014 4:16 PM, "Juan José Pavlik Salles" <jjpavlik@xxxxxxxxx> wrote:Maybe it's not a warning, but you can use "force" to avoid that behaviour so it's not that you can't create the volume. Anyway, it's a good practice to create a subdirectory as far as I've read.2014-09-12 11:02 GMT-03:00 Claudio Kuenzler <ck@xxxxxxxxxxxxxxxxxxx>:HiOn Fri, Sep 12, 2014 at 3:00 PM, Juan José Pavlik Salles <jjpavlik@xxxxxxxxx> wrote:Hi Paul, that's is more a warning than an error. This advice helps you avoid situations like this:Not so sure if it's "only a warning". The volume cannot be created as long as the fs mountpoint is directly used as brick in "gluster volume create".I wrote a post about that last month: http://www.claudiokuenzler.com/blog/499/glusterfs-bricks-should-be-subfolder-of-mountpointBut as long as it is documented I don't think it's a real issue to follow that rule.--Pavlik Salles Juan José
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