Re: lost data, possible playback? - Mailing list pgsql-admin

From Palle Girgensohn
Subject Re: lost data, possible playback?
Date
Msg-id 4B1BF9CA998264A329F566B6@rambutan.pingpong.net
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In response to Re: lost data, possible playback?  ("Scott Marlowe" <scott.marlowe@gmail.com>)
Responses Re: lost data, possible playback?
List pgsql-admin

--On torsdag, december 06, 2007 10.41.40 -0600 Scott Marlowe
<scott.marlowe@gmail.com> wrote:

> On Dec 6, 2007 10:24 AM, Palle Girgensohn <girgen@pingpong.net> wrote:
>> Hi!
>>
>> A user accidentally deleted some results (i.e. tuples in a postgresql
>> database) created this morning.
>>
>> I have pg_xlog from about 9 o'clock until now. I have a pg_dump from ab
>> out 3 o'clock this morning.
>>
>> The results where created from about nine o'clock until noon, when the
>> user accidentally removed the results.
>>
>> Would it be possible to replay the WAL logs and get the results from
>> pg_xlog + the dump?
>
> No.
>
>> Or from a file system snapshot as of now (five pm) + pg_xlog?
>
> No.

So, I *must* have an image of the entire database, and I *must* have all
WAL files since the image snapshot was taken?

/Palle


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