From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11833 invoked by alias); 21 Aug 2010 15:43:46 -0000 Received: (qmail 11818 invoked by uid 9805); 21 Aug 2010 15:43:46 -0000 Date: Sat, 21 Aug 2010 15:43:00 -0000 Message-ID: <20100821154346.11816.qmail@sourceware.org> From: snitzer@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2/test t-pvcreate-operation-md.sh Mailing-List: contact lvm2-cvs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: lvm2-cvs-owner@sourceware.org X-SW-Source: 2010-08/txt/msg00080.txt.bz2 CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: snitzer@sourceware.org 2010-08-21 15:43:45 Modified files: test : t-pvcreate-operation-md.sh Log message: Verify that pvcreate --dataalignment really does override the topology detected alignment. NOTE: lvm2 doesn't detect MD 1.2 metadata (now the default on RHEL6) so for now I'm forcing 1.0 metadata. This was needed to be able to reuse the existing loop devices but recreate the md device with different raid0 striping. Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/test/t-pvcreate-operation-md.sh.diff?cvsroot=lvm2&r1=1.9&r2=1.10 --- LVM2/test/t-pvcreate-operation-md.sh 2010/08/12 04:56:05 1.9 +++ LVM2/test/t-pvcreate-operation-md.sh 2010/08/21 15:43:45 1.10 @@ -41,13 +41,17 @@ sleep 2 rm -f $mddev fi +} + +cleanup_md_and_teardown() { + cleanup_md teardown } # create 2 disk MD raid0 array (stripe_width=128K) test -b "$mddev" && exit 200 -mdadm --create $mddev --auto=md --level 0 --raid-devices=2 --chunk 64 $dev1 $dev2 -trap 'aux cleanup_md' EXIT # cleanup this MD device at the end of the test +mdadm --create --metadata=1.0 $mddev --auto=md --level 0 --raid-devices=2 --chunk 64 $dev1 $dev2 +trap 'aux cleanup_md_and_teardown' EXIT # cleanup this MD device at the end of the test test -b "$mddev" || exit 200 # Test alignment of PV on MD without any MD-aware or topology-aware detection @@ -113,3 +117,27 @@ pvremove $mddev_p fi fi + +# Test newer topology-aware alignment detection w/ --dataalignment override +if [ $linux_minor -ge 33 ]; then + cleanup_md + pvcreate -f $dev1 + pvcreate -f $dev2 + + # create 2 disk MD raid0 array (stripe_width=2M) + test -b "$mddev" && exit 200 + mdadm --create --metadata=1.0 $mddev --auto=md --level 0 --raid-devices=2 --chunk 1024 $dev1 $dev2 + test -b "$mddev" || exit 200 + + # optimal_io_size=2097152, minimum_io_size=1048576 + pv_align="2.00m" + pvcreate --metadatasize 128k \ + --config 'devices { md_chunk_alignment=0 }' $mddev + check_pv_field_ $mddev pe_start $pv_align + + # now verify pe_start alignment override using --dataalignment + pv_align="192.00k" + pvcreate --dataalignment 64k --metadatasize 128k \ + --config 'devices { md_chunk_alignment=0 }' $mddev + check_pv_field_ $mddev pe_start $pv_align +fi