Hi,
I'm working on a root-on-glusterfs system and I have almost all of it working
now, but one things that seems to be having problems is RPM (Berkeley DB).
When I attempt to access/query the database that is on glusterfs, I get the
following error:
rpmdb: mmap: No such device
error: db4 error(19) from dbenv->open: No such device
error: cannot open Packages index using db3 - No such device (19)
error: cannot open Packages database in /var/lib/rpm
From the error, it looks like it is having a problem with mmap (or lack
thereof). Presumably, it wants writable mmap.
So:
1) Is there writable mmap support anywhere on the horizon for GlusterFS?
2) Does anyone know if there is a way to make the RPM DB work without mmap?
The only other workaround I can think of that could be applied (I am only
interested in AFR/mirroring) would be to set up DRBD+GFS just for replicating
the RPM DB, but that's a bit lame, because the main reason for using
GlusterFS for a shared-root environment is specifically to avoid having to
use a block level mirroring solution like DRBD+GFS.
Has anyone got any ideas on this?
Thanks.
Gordan
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