On Jul 01 2016, Peter Auyeung <[email protected]> wrote:
>>> On Jun 29 2016, Peter Auyeung <[email protected]> wrote:
>>>> On Wednesday, June 29, 2016 at 11:53:06 AM UTC-7, Nikolaus Rath wrote:
>>>> On Jun 29 2016, Peter Auyeung <[email protected] <javascript:>>
>>>> wrote:
>>>>> Is there a way to backup and restore metadata of s3ql?
>>>>
>>>> You could copy/restore the s3ql_metadata object in your storage backend,
>>>> or the *.db file in your --cachedir.
>>>
>>> I did a copy and restore of the backend of s3ql on local storage and
>>> getting the following error:
>>>
>>> # mount.s3ql local:///ntap4/restore/ /s3ql/restore/
>>> Using 10 upload threads.
>>> Autodetected 4034 file descriptors available for cache entries
>>> Enter file system encryption passphrase:
>>> ERROR: Uncaught top-level exception:
>>> Traceback (most recent call last):
>>> File "/usr/bin/mount.s3ql", line 9, in <module>
>>> load_entry_point('s3ql==2.18', 'console_scripts', 'mount.s3ql')()
>>> File "/usr/lib/s3ql/s3ql/mount.py", line 129, in main
>>> (param, db) = get_metadata(backend, cachepath)
>>> File "/usr/lib/s3ql/s3ql/mount.py", line 374, in get_metadata
>>> param = backend.lookup('s3ql_metadata')
>>> File "/usr/lib/s3ql/s3ql/backends/comprenc.py", line 77, in lookup
>>> return self._verify_meta(key, meta_raw)[1]
>>> File "/usr/lib/s3ql/s3ql/backends/comprenc.py", line 137, in _verify_meta
>>> raise CorruptedObjectError('HMAC mismatch')
>>> s3ql.backends.common.CorruptedObjectError: HMAC mismatch
>>
>>
>> Well.. you did something wrong. Maybe you copied one of the
>> s3ql_metadata_bak objects to s3ql_metadata? This will give you a
>> checksum error.
>>
>> That said, I think you should explain what problem you are trying to
>> solve. I don't think what you're trying to do is the right solution.
>>
> I am trying to backup a s3ql to google clould either on s3ql or not
This doesn't make sense. If you're trying to backup to Google cloud,
what are you trying to do above? Clearly you're trying to mount
something from local storage.
> I was trying to rsync s3ql locally to the one on google storage
You can do that, but then you won't be able to mount the file system
using the Google Storage backend (the backends use different file
formats). contrib/clone_fs.py can do the conversion though.
Best,
-Nikolaus
PS: Please don't CC me on replies, I am reading the list.
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