Re: Postgres Dropped DB have recovered files how to restore

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От Alvaro Herrera
Тема Re: Postgres Dropped DB have recovered files how to restore
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Msg-id 20160607180101.GA453552@alvherre.pgsql
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Ответ на Re: Postgres Dropped DB have recovered files how to restore  (John R Pierce <pierce@hogranch.com>)
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John R Pierce wrote:
> On 6/6/2016 4:09 PM, Alvaro Herrera wrote:
> >I have no idea about Windows filesystems but you may be able to
> >"undelete" the files, as long as you don't touch the partition for
> >anything else; search the web for "undelete ntfs".  Once you undelete
> >you will need to put them back in the right places.  I suggest you get a
> >disk with twice as much space as the original; make an image copy of the
> >original disk and don't touch the original anymore.  Then try to
> >undelete the files from the image.  Use the list Adrian provided as a
> >guide for what you're missing.
> >
> >You*may*  be able to recover the data, if you're lucky and careful.
>
> that won't work if he did a DROP DATABASE as all the metadata is gone.

It's only very difficult -- not impossible.

--
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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