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From: Dimitrios Apostolou <[email protected]>
To: [email protected]
Subject: having temp_tablespaces on less reliable storage
Date: Thu, 10 Jul 2025 19:58:03 +0200 (CEST)
Message-ID: <[email protected]> (raw)

Hello list,

I have a database split across many tablespaces, with temp_tablespaces 
pointing to a separate, less reliable device (single local NVMe drive). 
How dangerous is it for the cluster to be unrecoverable after a crash?

If the drive goes down and the database can't read/write to 
temp_tablespaces, what will happen?

If I then configure temp_tablespaces to point to a working location, would 
that be enough to start the cluster? Or other bad things can happen?

Can't find any related documentation, but I expect loss of "temp" space is 
of minor importance.

Thanks in advance,
Dimitris

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