Great example!!! 2014-09-12 11:41 GMT-03:00 Claudio Kuenzler <[email protected]>:
> 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" <[email protected]> > 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 <[email protected]>: >> >>> Hi >>> >>> On Fri, Sep 12, 2014 at 3:00 PM, Juan José Pavlik Salles < >>> [email protected]> 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-mountpoint >>> >>> But as long as it is documented I don't think it's a real issue to >>> follow that rule. >>> >> >> >> >> -- >> Pavlik Salles Juan José >> Blog - http://viviendolared.blogspot.com >> > -- Pavlik Salles Juan José Blog - http://viviendolared.blogspot.com
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