Ceph

It would be nice to implement --zapdisk option in osd create command to clean up the disk with zeroes.

tamil@ubuntu:~/ceph-deploy-latest/ceph-deploy$ ./ceph-deploy osd create burnupi06:sde --zap-disk
DEBUG:ceph_deploy.osd:Preparing cluster ceph disks burnupi06:/dev/sde:
DEBUG:ceph_deploy.osd:Deploying osd to burnupi06
DEBUG:ceph_deploy.osd:Host burnupi06 is now ready for osd use.
DEBUG:ceph_deploy.osd:Preparing host burnupi06 disk /dev/sde journal None activate True
GPT data structures destroyed! You may now partition the disk using fdisk or
other utilities.
Information: Creating fresh partition table; will override earlier problems!
Non-GPT disk; not saving changes. Use -g to override.
Caution: invalid backup GPT header, but valid main header; regenerating
Traceback (most recent call last):
  File "./ceph-deploy", line 9, in <module>
    load_entry_point('ceph-deploy==0.0.1', 'console_scripts', 'ceph-deploy')()
  File "/home/tamil/ceph-deploy-latest/ceph-deploy/ceph_deploy/cli.py", line 90, in main
    return args.func(args)
  File "/home/tamil/ceph-deploy-latest/ceph-deploy/ceph_deploy/osd.py", line 222, in osd
    prepare(args, cfg, activate=True)
  File "/home/tamil/ceph-deploy-latest/ceph-deploy/ceph_deploy/osd.py", line 182, in prepare
    zap=args.zap_disk,
  File "/home/tamil/ceph-deploy-latest/ceph-deploy/virtualenv/local/lib/python2.7/site-packages/pushy-0.5.1-py2.7.egg/pushy/protocol/proxy.py", line 255, in <lambda>
    (conn.operator(type_, self, args, kwargs))
  File "/home/tamil/ceph-deploy-latest/ceph-deploy/virtualenv/local/lib/python2.7/site-packages/pushy-0.5.1-py2.7.egg/pushy/protocol/connection.py", line 66, in operator
    return self.send_request(type_, (object, args, kwargs))
  File "/home/tamil/ceph-deploy-latest/ceph-deploy/virtualenv/local/lib/python2.7/site-packages/pushy-0.5.1-py2.7.egg/pushy/protocol/baseconnection.py", line 323, in send_request
    return self.__handle(m)
  File "/home/tamil/ceph-deploy-latest/ceph-deploy/virtualenv/local/lib/python2.7/site-packages/pushy-0.5.1-py2.7.egg/pushy/protocol/baseconnection.py", line 639, in __handle
    raise e
pushy.protocol.proxy.ExceptionProxybackup header from main header.

Warning! Main and backup partition tables differ! Use the 'c' and 'e' options
on the recovery & transformation menu to examine the two tables.

Warning! One or more CRCs don't match. You should repair the disk!

Invalid partition data!
ceph-disk-prepare: OSD preparation error: Command '['sgdisk', '--zap-all', '--clear', '--mbrtogpt', '--', '/dev/sde']' returned non-zero exit status 3
: Command '['ceph-disk-prepare', '--zap-disk', '--', '/dev/sde']' returned non-zero exit status 1

tamil@ubuntu:~/ceph-deploy-latest/ceph-deploy$ ./ceph-deploy zapdisk  burnupi06:sde 
DEBUG:ceph_deploy.zapdisk:zapping /dev/sde on burnupi06
tamil@ubuntu:~/ceph-deploy-latest/ceph-deploy$ ./ceph-deploy osd create burnupi06:sde --zap-disk
DEBUG:ceph_deploy.osd:Preparing cluster ceph disks burnupi06:/dev/sde:
DEBUG:ceph_deploy.osd:Deploying osd to burnupi06
DEBUG:ceph_deploy.osd:Host burnupi06 is now ready for osd use.
DEBUG:ceph_deploy.osd:Preparing host burnupi06 disk /dev/sde journal None activate True
****************************************************************************
Caution: Found protective or hybrid MBR and corrupt GPT. Using GPT, but disk
verification and recovery are STRONGLY recommended.
****************************************************************************
GPT data structures destroyed! You may now partition the disk using fdisk or
other utilities.
The operation has completed successfully.
Caution: invalid backup GPT header, but valid main header; regenerating
backup header from main header.