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Add configure --enable-units-compat to set si_unit_consistency off by default.
Use standard output units for 'PE Size' and 'Stripe size' in pv/lvdisplay.
Adds 'data_alignment_detection' config option to the devices section of
lvm.conf. If your kernel provides topology information in sysfs (linux
>= 2.6.31) for the Physical Volume, the start of data area will be
aligned on a multiple of the ’minimum_io_size’ or ’optimal_io_size’
exposed in sysfs.
minimum_io_size is used if optimal_io_size is undefined (0). If both
md_chunk_alignment and data_alignment_detection are enabled the result
of data_alignment_detection is used.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
If the pvcreate --dataalignmentoffset option is not specified the start
of a PV's aligned data area will be shifted by the associated
'alignment_offset' exposed in sysfs (unless
devices/data_alignment_offset_detection is disabled in lvm.conf).
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Clear many compiler warnings (i386) & associated bugs - hopefully without
introducing too many new bugs:-) (Same exercise required for other archs.)
Default compilation has optimisation - or else use ./configure --enable-debug
Lots of changes/very little testing so far => there'll be bugs!
Use 'vgcreate -M text' to create a volume group with its metadata stored
in text files. Text format metadata changes should be reasonably atomic,
with a (basic) automatic recovery mechanism if the system crashes while a
change is in progress.
Add a metadata section to lvm.conf to specify multiple directories if
you want (recommended) to keep multiple copies of the metadata (eg on
different filesystems).
e.g. metadata {
dirs = ["/etc/lvm/metadata1","/usr/local/lvm/metadata2"]
}
Plenty of refinements still in the pipeline.
