From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | "Klaus P(dot) Pieper" <kpi6288(at)gmail(dot)com> |
Cc: | 'PG-General Mailing List' <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: pg_upgrade --link on Windows |
Date: | 2017-06-14 16:00:09 |
Message-ID: | 20170614160009.GA4751@momjian.us |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-docs pgsql-general |
On Wed, Jun 14, 2017 at 09:59:04AM +0200, Klaus P. Pieper wrote:
> > -----Ursprüngliche Nachricht-----
> >
> > I apologize for not being smarter on this thread. When I helped with the
> > Windows port, I was told Windows didn't have hard links for use by
> tablespace
> > directories, so I got it into my head that Windows didn't have hard links.
> > Therefore, when I was writing the docs, I called them junction points.
>
> It's actually not "Windows" providing hard links, it is the file system
> NTFS. FAT and its modern cousins don't provide hard links - but this will
> rarely be used for databases these days.
> However, ReFS (introduced with server 2012 and providing some new features
> like automatic integrity checks, clustering etc.) does no longer provide
> hard links.
> Are hard links used anywhere else but in pg_upgrade?
Nope, it is used only by transfer_relfile() calling linkFile().
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ As you are, so once was I. As I am, so you will be. +
+ Ancient Roman grave inscription +
From | Date | Subject | |
---|---|---|---|
Next Message | Charles | 2017-06-15 04:00:52 | pg_restore man page (version 9.4) > -d/dbname clarification request |
Previous Message | Klaus P. Pieper | 2017-06-14 07:59:04 | Re: pg_upgrade --link on Windows |
From | Date | Subject | |
---|---|---|---|
Next Message | Alexander Farber | 2017-06-14 16:14:24 | Re: ERROR: type " " does not exist |
Previous Message | Neil Anderson | 2017-06-14 14:08:01 | Re: pg_catalog tables don't have constraints? |