On Wed, Jul 10, 2013 at 12:19 PM, Wells Oliver <wellsoliver@xxxxxxxxx> wrote:
OK, cool. I did not want to be in a position where I stop the servers, pg_upgrade --link 9.1 to 9.2, then (eventually) pg_dropcluster of 9.1 and, woops, I killed all of my data files.
And if you have enough storage, you can always stage a testing environment and test this out. It'd tell you how long the whole upgrade would take too. :)
Wells OliverOn Wed, Jul 10, 2013 at 12:13 PM, ktm@xxxxxxxx <ktm@xxxxxxxx> wrote:
On Wed, Jul 10, 2013 at 12:02:06PM -0700, Wells Oliver wrote:I think it only hard links the files to the new 9.2 data directory so you
> Hard linking means that you must maintain 8.2's data directory though, even
> after upgrade, correct? Since it's a link and not a copied file.
>
can delete the old data directory and the files will still be in the new
directory since the link count will be > 0.
Ken
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