[lvm-devel] [PATCH v3 0/4] LVM2 topology support
Mike Snitzer
snitzer at redhat.com
Mon Jun 29 18:25:25 UTC 2009
LVM2 topology support to properly align the PV's pe_start using the
associated 'alignment_offset' exposed in sysfs.
Provides manual configuration with pvcreate --dataalignmentoffset and
auto config control via 'devices/data_alignment_offset_detection' in
lvm.conf.
Documentation was added to the lvm.conf and pvcreate man pages.
Testing with pvcreate + vgextend + vgreduce + vgextend + vgreduce ...
proved to maintain the pe_start from the initial pvcreate.
v2 changes:
Also added another method for auto detection of --dataalignment using
the topology information that is exposed in sysfs. Controlled via
'devices/data_alignment_detection' in lvm2.conf.
v3 changes:
Fixed 'devices/data_alignment_detection' patch (4/4) to retrieve the
minimum_io_size and optimal_io_size for partitions from the parent
device's 'queue/'. Both attributes are found in 'queue/'
Mike Snitzer (4):
cmdline: support for bytes and sectors
pvcreate: --dataalignmentoffset
Add devices/data_alignment_offset_detection to lvm.conf.
Add devices/data_alignment_detection to lvm.conf.
WHATS_NEW | 8 ++
doc/example.conf | 19 ++++-
lib/config/defaults.h | 2
lib/device/device.c | 136 +++++++++++++++++++++++++++++++++++++++
lib/device/device.h | 9 ++
lib/format1/format1.c | 1
lib/format_pool/format_pool.c | 1
lib/format_text/archiver.c | 2
lib/format_text/format-text.c | 24 ++++++
lib/metadata/metadata-exported.h | 1
lib/metadata/metadata.c | 37 ++++++++++
lib/metadata/metadata.h | 1
man/lvcreate.8.in | 6 -
man/lvextend.8.in | 4 -
man/lvm.conf.5.in | 22 +++++-
man/lvreduce.8.in | 4 -
man/lvresize.8.in | 4 -
man/pvcreate.8.in | 18 ++++-
man/vgchange.8.in | 4 -
man/vgcreate.8.in | 4 -
tools/args.h | 1
tools/commands.h | 33 ++++-----
tools/lvmcmdline.c | 20 ++++-
tools/pvcreate.c | 23 ++++++
tools/vgconvert.c | 2
25 files changed, 334 insertions(+), 52 deletions(-)
More information about the lvm-devel
mailing list