Hi Jean-Pierre,

When trying to read algemeen.txt I get a reproducible "Bad stream for 
offset" (I got a few more files with the same issue)

# ntfsinfo -fvi 0 /dev/mapper/lvm1--vol-sr7--disk2--snapshot--copy2
http://paste.debian.net/plainh/486b1a01

I feel we may be almost there (support for data deduplication), but 
still hitting a few unreadable files...

Thanks you again!

Kind regards,

Jelle de Jong


On 23/03/17 22:03, Jean-Pierre André wrote:
> Hi,
>
> Jelle de Jong wrote:
>> Hi Jean-Pierre,
>>
>> Thank you again!
>>
>> Could you take a look at the following output, I got some "Bad stream
>> for offset" messages: http://paste.debian.net/plainh/c145e066
>>
>> Follow-up on the previous mail
>>
>> I was not able to get any node information, and have not been able to
>> reproduce the NTFS messages.
>>
>> ntfsinfo -fvi 1582022 /dev/mapper/lvm1--vol-sr7--disk2--snapshot--copy2
>> Error loading node: No such file or directory
>
> Before digging into the "Bad stream for offset" messages,
> I would like to get details about those inconsistencies
> before they are wiped out (hoping it is not too late).
> Maybe the issues are related, maybe they are not.
>
> The ntfsinfo error means either that the faulty inodes
> have been freed or they are extents to other inodes.
>
> I will have to do it in two steps : first determine where
> they are located, then extract their contents.
>
> To get the mapping of inodes, please post the output of
> ntfsinfo -fvi 0 /dev/mapper/lvm1--vol-sr7*
>
> Jean-Pierre
>
>>
>> Kind regards,
>>
>> Jelle de Jong
>>
>> On 21/03/17 12:01, Jean-Pierre André wrote:
>>> Hi,
>>>
>>> Jelle de Jong wrote:
>>>> Dear Jean-Pierre,
>>>>
>>>> I am still testing the dedup plugin, I have issues with rdiff-backup
>>>> that the checksum of the source and destination are not the same, but
>>>> this can be an issue with rdiff-backup.
>>>>
>>>> However I did get these messages, but I do not know if they are related
>>>> to the dedup plugin?
>>>>
>>>> Mar 21 06:57:37 backup ntfs-3g[12620]: Record 1582022 has wrong SeqNo
>>>> (159 <> 156)
>>>> Mar 21 06:57:37 backup ntfs-3g[12620]: Could not decode the type of
>>>> inode 1582022
>>>> Mar 21 06:57:37 backup ntfs-3g[12620]: Record 1545290 has wrong SeqNo
>>>> (296 <> 295)
>>>> Mar 21 06:57:37 backup ntfs-3g[12620]: Could not decode the type of
>>>> inode 1545290
>>>
>>> These errors are thrown by ntfs-3g proper, not by the
>>> deduplication plugin.
>>>
>>> Inconsistencies have been found in the mentioned files,
>>> and they are unlikely to be created by the plugin (which
>>> does not have updating support), ... but one never knows.
>>> Owing to the inconsistencies, ntfs-3g cannot tell if the
>>> said files are plain files, directories, sockets, etc.
>>>
>>> You have to run chkdsk to fix these inconsistencies, but
>>> this can lead to losing data, so before doing that, the
>>> parameters of these files should be analyzed to assess
>>> the possible damage.
>>>
>>> Please post the outputs of :
>>> ntfsinfo -fvi 1582022 /dev/partition
>>> ntfsinfo -fvi 1545290 /dev/partition
>>>
>>> This must be done as root, replacing /dev/partition by
>>> the actual partition path (something like /dev/sdc2)
>>>
>>> Jean-Pierre
>>>
>>>>
>>>> Kind regards,
>>>>
>>>> Jelle de Jong
>>
>
>

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