On Mon, 2009-04-06 at 21:17 +0200, Joel Granados wrote:
> On Mon, Apr 06, 2009 at 12:36:38PM -0500, David Lehman wrote:
> > On Mon, 2009-04-06 at 19:24 +0200, Joel Granados Moreno wrote:
> > > ---
> > > storage/partitioning.py | 14 +++++++++++---
> > > 1 files changed, 11 insertions(+), 3 deletions(-)
> > >
> > > diff --git a/storage/partitioning.py b/storage/partitioning.py
> > > index eba0cb7..245d986 100644
> > > --- a/storage/partitioning.py
> > > +++ b/storage/partitioning.py
> > > @@ -755,17 +755,25 @@ def allocatePartitions(disks, partitions):
> > >
> > > # create minimum geometry for this request
> > > # req_size is in MB
> > > - sectors_per_track = disk.device.biosGeometry[2]
> BTW, is there any reason for having sectors_per_track besides playing
> nice with cylinder alignment.?
It had nothing to do with cylinder alignment. I saw that the first
partition was expected to start at sector 63 and assumed that meant the
start of the second track.
> > > length = (_part.req_size * (1024 * 1024)) / sectorSize
> > > new_geom = parted.Geometry(device=disk.device,
> > > - start=max(sectors_per_track, free.start),
> > > + start=free.start,
> > > length=length)
> > >
> > > + # create maximum and minimum geometries for constraint
> > > + max_geom = parted.Geometry(device=disk.device,
> > > + start=max(0 , free.start - 1),
> > > + length=min(length + 1, disk.device.length))
> >
> > Shouldn't this be more like
> >
> > start = max(0, free.start - 1)
> > max_geom = parted.Geometry(device=disk.device,
> > start=start,
> > length=min(length + 1, disk.device.length -
> > start))
> >
> > (since it seems possible for start to be non-zero in which case we
> > certainly don't want max to run off the end of the device. Or does
> > parted cover that for us?)
> >
> > > + min_geom = parted.Geometry(device=disk.device,
> > > + start=free.start + 1,
> > > + length=length-1)
> > > +
> > > +
> > > # create the partition and add it to the disk
> > > partition = parted.Partition(disk=disk,
> > > type=part_type,
> > > geometry=new_geom)
> > > - constraint = parted.Constraint(exactGeom=new_geom)
> > > + constraint = parted.Constraint(maxGeom=max_geom, minGeom=min_geom)
> > > disk.addPartition(partition=partition,
> > > constraint=constraint)
> > > log.debug("created partition %s of %dMB and added it to %s" %
> >
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