[clue] Ack! (recovering busted disks - (fixed)

[Mike Bean]

Sure looks that way.  Works on physical devices, didn't seem to care for my
syntax.   It's dump -0u -f (destination) (source)?



On Tue, Apr 26, 2016 at 2:08 PM, Charles Burton <charles.d.burton at gmail.com>
wrote:

> It doesn't work quite like you're thinking.  Dump doesn't care about LVM,
> not at least as far as I know.  Try:
>
> dump -0u -f /mnt/mbean /home/mbean
>
> On Tue, Apr 26, 2016 at 8:04 PM, Mike Bean <beandaemon at gmail.com> wrote:
>
>> Thanks for the tip.   At least at first blush it looks like I can't use
>> dump and restore.   They only work on devices and not on logical volumes.
>> At least not on my logical volumes (I'm getting bad magic number in
>> super-block.)   I think I'm going to play with it a  little while longer,
>> see if I can figure out if it really can't handle or if I'm just PEBKAC.
>> Could also be this box.  I'm testing it on a box that I don't really care
>> if it breaks
>>
>> dump -0u -f /mnt/mbean /dev/mapper/rootvg-homelv
>>   DUMP: Date of this level 0 dump: Tue Apr 26 14:00:16 2016
>>   DUMP: Dumping /dev/mapper/rootvg-homelv (/home) to /mnt/mbean
>> /dev/mapper/rootvg-homelv: Bad magic number in super-block while opening
>> filesystem
>>   DUMP: The ENTIRE dump is aborted.
>>
>> Mike B
>>
>> On Mon, Apr 25, 2016 at 12:34 PM, Chris Fedde <chris at fedde.us> wrote:
>>
>>> I say this every time backups get mentioned but I have to say it again.
>>> I like dump.  Dump and restore are a perfect set of tools that solve the
>>> backup problem neatly and flexibly.  And so far have not let me down for
>>> either fat finger recovery or for full disk recovery.
>>>
>>> I find it silly that this tool that is integrated with the OS and woks
>>> so well is overlooked by everyone. Even by the certification folks.
>>>
>>> Let me say it again.  I like dump. Maybe I need to write up a blog
>>> article or something.
>>> On Apr 19, 2016 6:33 PM, "Mike Bean" <beandaemon at gmail.com> wrote:
>>>
>>>> Yeah, I know ; )
>>>>
>>>> Mike B
>>>>
>>>> On Tue, Apr 19, 2016 at 3:49 PM, David L. Anselmi <anselmi at anselmi.us>
>>>> wrote:
>>>>
>>>>> Mike Bean wrote:
>>>>> > Theorhetically yes, and we did that, but as predicted, since I #1
>>>>> noticed
>>>>> > the box was down and #2 attempted to fix it, I therefore have
>>>>> ownership of
>>>>> > it now.   Have to look into a cheap scale able method to get actual
>>>>> backups
>>>>> > and stop depending on snap shots.   I suppose I could just back it
>>>>> up.  But
>>>>> > it's only a matter of time before someone notices the Jenkins box has
>>>>> > backups and complains that all the other boxes don't.
>>>>>
>>>>> You need to get a new job. Life's too short...
>>>>>
>>>>> And for everyone else, this is an example why you vote against
>>>>> whatever the government wants to
>>>>> spend money on.
>>>>>
>>>>> Dave
>>>>> _______________________________________________
>>>>> clue mailing list: clue at cluedenver.org
>>>>> For information, account preferences, or to unsubscribe see:
>>>>> http://cluedenver.org/mailman/listinfo/clue
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> clue mailing list: clue at cluedenver.org
>>>> For information, account preferences, or to unsubscribe see:
>>>> http://cluedenver.org/mailman/listinfo/clue
>>>>
>>>
>>> _______________________________________________
>>> clue mailing list: clue at cluedenver.org
>>> For information, account preferences, or to unsubscribe see:
>>> http://cluedenver.org/mailman/listinfo/clue
>>>
>>
>>
>> _______________________________________________
>> clue mailing list: clue at cluedenver.org
>> For information, account preferences, or to unsubscribe see:
>> http://cluedenver.org/mailman/listinfo/clue
>>
>
>
> _______________________________________________
> clue mailing list: clue at cluedenver.org
> For information, account preferences, or to unsubscribe see:
> http://cluedenver.org/mailman/listinfo/clue
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://cluedenver.org/pipermail/clue/attachments/20160426/9ea3dfa6/attachment-0001.html