#!/bin/sh # Copyright (C) 2013 Red Hat, Inc. All rights reserved. # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions # of the GNU General Public License v.2. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software Foundation, # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # Check perfomance of activation and deactivation . lib/test # FIXME: lvmetad fails with i.e. 1500 device on memory failure... # Number of LVs to create DEVICES=1000 aux prepare_pvs 1 400 vgcreate -s 128K $vg $(cat DEVICES) vgcfgbackup -f data $vg # Generate a lot of devices (size of 1 extent) awk -v DEVICES=$DEVICES '/^\t\}/ { \ printf("\t}\n\tlogical_volumes {\n");\ cnt=0; for (i = 0; i < DEVICES; i++) { \ printf("\t\tlvol%06d {\n", i);\ printf("\t\t\tid = \"%06d-1111-2222-3333-2222-1111-%06d\"\n", i, i); \ print "\t\t\tstatus = [\"READ\", \"WRITE\", \"VISIBLE\"]"; \ print "\t\t\tsegment_count = 1"; \ print "\t\t\tsegment1 {"; \ print "\t\t\t\tstart_extent = 0"; \ print "\t\t\t\textent_count = 1"; \ print "\t\t\t\ttype = \"striped\""; \ print "\t\t\t\tstripe_count = 1"; \ print "\t\t\t\tstripes = ["; \ print "\t\t\t\t\t\"pv0\", " cnt++; \ printf("\t\t\t\t]\n\t\t\t}\n\t\t}\n"); \ } \ } {print} ' data >data_new vgcfgrestore -f data_new $vg # Activate and deactivate all of them vgchange -ay $vg vgchange -an $vg