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Re: Is it possible to keep indexes on different disk location?

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On Thu, 2022-08-18 at 08:39 +0200, W.P. wrote:
> I have a PostgreSQL 11 server on OrangePi3 (ARM 64 bit, Armbian, PG from 
> distro).
> 
> Database (all cluster) is located on USB disk. This approach give me 
> already 2 times loosing DB contents (it is a replica of DB on i7).
> 
> But the whole thing (mainly indexes) is about 50G, and internal storage 
> is only 32GB.
> 
> Is it possible to move  DB tables etc to this internal storage (sure 
> connection) and put only    indexes on USB  HDD?
> 
> And will it help in case of losing connection to USB disk? (DB 
> recoverable instead of total crash)?

I'd say that that is a bad idea.  It would not be easy to recover from
losing a tablespace, even if it contains only indexes.

Get a real computer.  Take backups regularly.

Yours,
Laurenz Albe
-- 
Cybertec | https://www.cybertec-postgresql.com





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