| They were separated. The source list in Ubuntu 18 was moved because the 16 is different from former versions, which caused the problem, as I upgraded the Linux system before, it worked very well.
I tried to install the 15 and 16, but the configuration complained ports and other things. Any way to dump all into a format from another computer and then read them into the new 16? On Jan 11, 2024, at 2:28 PM, Ron Johnson <ronljohnsonjr@xxxxxxxxx> wrote:
"I assumed they can merged into 16 but they were not after upgrading my system."
Yeah... that's a pretty unfounded assumption.
Fortunately, your data might be salvageable, if the new system has separate -- and populated -- directories for 12, 13 and 14. Were any of the source system Postgresql instances running when you ran rsync?
If not, then you can install the old versions of Postgresql in parallel with 16, and then run pg_upgrade.
I used “rsync” in Linux to backup the the entire directory that contained data for 12,13 and 15. The last 15 was gone after upgrading to 16 with Ubuntu 22.04. I assumed they can merged into 16 but they were not after upgrading my system. Did you take basebackup? 1. What is the source of the data that you copied to /var/lib/pgsql/15/main? 2. What errors or problems are you having? Dear staff at pqsql, I try to restore all data from /var/lib/pgsql/15/main, but do not know how and have not found hits from your web as detailed below. Could you provide a tip for that?Thanks. Regards Your search for restore data from /var/lib/pgsql/ returned no hits.
Andrew
Hello!
This is a test mail for the list
pgsql-admin@xxxxxxxxxxxxxxxxxxxx
as requested. The mail has the same list-id header
as email delivered to the list, and can be used to
for example test local mail filters.
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