From: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
---|---|
To: | Waka Ranai <wakadotranai(at)gmail(dot)com>, pgsql-bugs(at)lists(dot)postgresql(dot)org |
Subject: | Re: Bug report - pg_upgrade tool seems to have a race condition when trying to delete a pg_wal file |
Date: | 2024-05-23 07:21:10 |
Message-ID: | 3d6013e49ac684cf4e9fbb6a1eb28b068cc9c113.camel@cybertec.at |
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Lists: | pgsql-bugs |
On Wed, 2024-05-22 at 18:14 +0200, Waka Ranai wrote:
> The command I ran is
> "C:\Program Files\PostgreSQL\15\bin\pg_upgrade.exe" -d "C:\Program Files\PostgreSQL\9.6\data" -D "C:\Program Files\PostgreSQL\15\data" -b "C:\Program Files\PostgreSQL\9.6\bin" -B "C:\Program Files\PostgreSQL\15\bin" -U postgres
> after having set PGPASSWORD to the correct password.
>
> The issue was either
> “pg_resetwal: error: could not delete file "pg_wal/000000010000000000000001": Permission denied”
> or sometimes it was saying that the file could not be found instead of Permission denied.
> When I look in the directory while it is executing, I can see that the file is there previously,
> and always removed after the pg_upgrade crashes. I tried to inspect with Process Explorer what
> processes were using it, always processes from postgres, only one after a fresh install of
> postgres 15, but I saw that during the execution of pg_upgrade, sometimes two processes were
> using it.
Did you make sure that no virus scanner is active on the data directories?
Yours,
Laurenz Albe
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