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@@ -818,7 +818,7 @@ def qubes_lvm_coro(cmd, log=logging.getLogger('qubes.storage.lvm')):
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environ = os.environ.copy()
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environ['LC_ALL'] = 'C.utf8'
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if cmd[0] == "remove":
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- pre_cmd = ['blkdiscard', '/dev/'+cmd[1]]
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+ pre_cmd = ['blkdiscard', '-p', '1G', '/dev/'+cmd[1]]
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p = yield from asyncio.create_subprocess_exec(*pre_cmd,
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stdout=subprocess.DEVNULL,
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stderr=subprocess.DEVNULL,
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