From: | Michael Paquier <michael(at)paquier(dot)xyz> |
---|---|
To: | Akshay Ballarpure <akshay(dot)ballarpure(at)tcs(dot)com> |
Cc: | pgsql-performance(at)lists(dot)postgresql(dot)org |
Subject: | Re: DB corruption |
Date: | 2018-03-23 08:04:55 |
Message-ID: | 20180323080455.GC7070@paquier.xyz |
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Lists: | pgsql-performance |
On Fri, Mar 23, 2018 at 01:29:35PM +0530, Akshay Ballarpure wrote:
> I have a query on DB corruption. Is there any way to recover from it
> without losing data ?
Corrupted pages which need to be zeroed in order to recover the rest is
data lost forever, except if you have a backup you can rollback to.
Please see here for some global instructions about how to deal with such
situations:
https://wiki.postgresql.org/wiki/Corruption
First take a deep breath, and take the time to read and understand it.
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Michael
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