On 4/14/16 3:01 PM, Andres Freund wrote:
> On 2016-04-14 14:55:37 -0400, Robert Haas wrote:
>> On Thu, Apr 14, 2016 at 11:12 AM, Andres Freund <and...@anarazel.de> wrote:
>>> On 2016-04-14 13:43:34 +0530, Ashutosh Sharma wrote:
>>>> I tried performing pg_basebackup after creating a symbolic link for
>>>> pg_replslot, pg_stat_tmp, pg_log and pg_clog in the source directory
>>>
>>> That's not supported, and I strongly suspect that you're goint to hit
>>> more than just this issue.  The only directory you're allowed to symlink
>>> away is pg_xlog.
>>
>> I think various tools might choke on such a configuration, but I'm not
>> entirely sure why we haven't made them all work.  Is there some more
>> fundamental problem?
> 
> <...>  Fsyncing files & directories suddenly needs special care to
> fsync the correct directory for a file, lest it's symlinked somewhere.

That's a good point.  I'll need to make sure pgBackRest is correctly
handling that case on restore.

-- 
-David
da...@pgmasters.net


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