def single_partition_device_2_x ( device, vars, log):
try:
log.write("Using pyparted 2.x\n")
- # wipe the old partition table
- utils.sysexec( "dd if=/dev/zero of=%s bs=512 count=1" % device, log )
- # get the device
- dev= parted.Device(device)
+
+ # Thierry june 2012 -- for disks larger than 2TB
+ # calling this with part_type='msdos' would fail at the maximizePartition stage
# create a new partition table
- # xxx -- Thierry june 2012
- # original code was going for the msdos version only
- # Marco Bicudo reported an error with a disk larger than 2TB
- # and confirmed he node would take off by just changing 'msdos' into 'gpt'
- # this version below has been tried but does not work
- # as a matter of fact on the big node an exception gets thrown later
- # at the maximizePartition stage only, which of course makes sense
- # so bottom line is, we need to find something smarter...
- # xxx
+ def partition_table (device, part_type, fs_type):
+ # wipe the old partition table
+ utils.sysexec( "dd if=/dev/zero of=%s bs=512 count=1" % device, log )
+ # get the device
+ dev= parted.Device(device)
+ disk = parted.freshDisk(dev,part_type)
+ # create one big partition on each block device
+ constraint= parted.constraint.Constraint (device=dev)
+ geometry = parted.geometry.Geometry (device=dev, start=0, end=1)
+ fs = parted.filesystem.FileSystem (type=fs_type,geometry=geometry)
+ new_part= parted.partition.Partition (disk, type=parted.PARTITION_NORMAL,
+ fs=fs, geometry=geometry)
+ # make it an lvm partition
+ new_part.setFlag(parted.PARTITION_LVM)
+ # actually add the partition to the disk
+ disk.addPartition(new_part, constraint)
+ disk.maximizePartition(new_part,constraint)
+ disk.commit()
+ print >>log, 'Current disk for %s - partition type %s'%(device,part_type),disk
+ print >>log, 'Current dev for %s'%device,dev
+ del disk
+
try:
- disk= parted.freshDisk(dev,'msdos')
- # use gpt as a fallback for disks larger than 2TB
+ partition_table (device, 'msdos', 'ext2')
except:
- disk= parted.freshDisk(dev,'gpt')
- # create one big partition on each block device
- constraint= parted.constraint.Constraint (device=dev)
- geometry = parted.geometry.Geometry (device=dev, start=0, end=1)
- fs = parted.filesystem.FileSystem (type="ext2",geometry=geometry)
- new_part= parted.partition.Partition (disk, type=parted.PARTITION_NORMAL,
- fs=fs, geometry=geometry)
- # make it an lvm partition
- new_part.setFlag(parted.PARTITION_LVM)
- # actually add the partition to the disk
- disk.addPartition(new_part, constraint)
- disk.maximizePartition(new_part,constraint)
- disk.commit()
- print >>log, 'Current disk for %s'%device,disk
- print >>log, 'Current dev for %s'%device,dev
- del disk
+ partition_table (device, 'gpt', 'ext2')
+
except Exception, e:
log.write( "Exception inside single_partition_device_2_x : %s\n" % str(e) )
import traceback