MAAS

Merge ~blake-rouse/maas:fix-1708052-2.2 into maas:2.2

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  2. lp:~blake-rouse/maas
  3. fix-1708052-2.2
  4. Merge into 2.2
Proposed by Blake Rouse
Status: Merged
Approved by: Blake Rouse
Approved revision: 467c7faccbae3ddd82af1bb1b865b80a527e256c
Merge reported by: MAAS Lander
Merged at revision: not available
Proposed branch: ~blake-rouse/maas:fix-1708052-2.2
Merge into: maas:2.2
Diff against target: 13 lines (+1/-1)
1 file modified
src/metadataserver/user_data/templates/snippets/maas_wipe.py (+1/-1)
Reviewer Review Type Date Requested Status
Blake Rouse (community) Approve
Review via email: mp+329107@code.launchpad.net

Commit message

Backport dc1df66f0d87d6753b546b384eb665ece44e48e2 from master.

LP: #1708052 -- Quick erase doesn't remove md superblock

Increase write to 2 MB to beginning of the disk so software raid superblock are wiped.

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Blake Rouse (blake-rouse) wrote :

Self-approving backport.

review: Approve

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1diff --git a/src/metadataserver/user_data/templates/snippets/maas_wipe.py b/src/metadataserver/user_data/templates/snippets/maas_wipe.py
2index fd63daf..9dfe96e 100644
3--- a/src/metadataserver/user_data/templates/snippets/maas_wipe.py
4+++ b/src/metadataserver/user_data/templates/snippets/maas_wipe.py
5@@ -173,7 +173,7 @@ def wipe_quickly(kname):
6 the device.
7 """
8 print_flush("%s: starting quick wipe." % kname.decode('ascii'))
9- buf = b'\0' * 1024 * 1024 # 1 MiB
10+ buf = b'\0' * 1024 * 1024 * 2 # 2 MiB
11 with open(DEV_PATH % kname, "wb") as fp:
12 fp.write(buf)
13 fp.seek(-len(buf), 2)

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