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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.
missing from a VG. (Linear targets use the device-mapper 'error' target
which returns ioerror; striped targets use '/dev/ioerror' for now - which must
already exist e.g. as a sufficiently large block device version of /dev/zero).
A substantial speed-up - particularly in readline mode.
If the hints turn out to be wrong, the relevant parts get thrown away.
vgscan destroys it totally. In both cases it then rebuilds itself as
required.
logical volumes. It includes:
format1 changes.
metadata.h changes.
lv_manip.c changed (striped allocation still not done though).
activate.c changes.
Nothing has been near a compiler as yet.
Alasdair can you look at changing display.c to use to output the mappings
in a more segment oriented format please ?
I haven't put the span list into struct physical_volume to represent allocated
extents. I think the burden of maintaining it for things like lv_extend may
out weigh it's uses.
