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#!/bin/sh
#
# This is a template script which can be used to migrate the GlusterFS
# storage infrastructure from 'cluster/unify' to 'cluster/distribute'
# This script needs to be executed on the machine where namespace volume
# of 'cluster/unify' translator resides. And also, one need to mount the
# new 'cluster/distribute' volume with "option lookup-unhashed yes" on
# the same machine.
# If the namespace volume was replicated (ie, afr'ed), then this can be
# executed just on one of the namespace machines..
# Only the variables defined below needs to be changed to appropriate path
# This is export from old 'cluster/unify' volume's namespace volume.
namespace_export=/exports/export-ns
namespace_host=localhost
# This is the new mount point with 'cluster/distribute' volume
distribute_mount=/mnt/glusterfs
function execute_on()
{
local node="$1"
local cmd="$2"
if [ "$node" = "localhost" ]; then
$cmd
else
ssh "$node" sh -c "$cmd"
fi
}
execute_on $namespace_host "cd ${namespace_export} && find ." |
(cd ${distribute_mount} && xargs -d '\n' stat -c '%n')
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