On 04/09/2018 11:08 PM, Andres Freund wrote:
> Hi,
> On 2018-04-09 13:55:29 -0700, Mark Dilger wrote:
>> I can also imagine a master and standby that are similarly provisioned,
>> and thus hit an out of disk error at around the same time, resulting in
>> corruption on both, even if not the same corruption.
> I think it's a grave mistake conflating ENOSPC issues (which we should
> solve by making sure there's always enough space pre-allocated), with
> EIO type errors.  The problem is different, the solution is different.

In any case, that certainly does not count as data corruption spreading
from the master to standby.

Tomas Vondra                  http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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