Re: Problem with PG 11 database on OrangePi3 (ARMBIAN, ARM64) after disk disrupion (problem with USB disk connection)

W dniu 06.04.2022 o 20:09, Adrian Klaver pisze:
> On 4/6/22 11:04 AM, W.P. wrote:
>> W dniu 06.04.2022 o 18:54, Ron pisze:
>
>> I know about restoring backup. I just don't have one (at least with 
>> reasonnable age), as it is experimental installation. (Didn't ever 
>> been thinking about locating production DB on USB drive :) ).
>>
> If it is experimental you could try pg_resetwal:
>
> https://www.postgresql.org/docs/11/app-pgresetwal.html
>

Found this, had to use -f (program hint), but no luck. Same error.

Is there anything else?

[BTW my "logical restore" runs already 9h... still making indexes, DB is 
not very large, on i386 ~50GB]


Laurent


> Read all the way through for the ifs/ands/buts.
>
>> If it is not possible to get rid ("somehow") of this "replication 
>> error", I will do a "logic restore" -> I have similar database on my 
>> laptop, so I'll get a pg_dumpall from this one, then recreate fresh 
>> DB on OPi and restore from SQL.
>>
>>
>> It looks that DATA in PG DB is protected by various mechanisms very 
>> well, but "dictionary data" (in this case replication data) is not 
>> (as much). And in my case ext4 recovery mechanisms failed.
>>
>> This makes me logical replication more appealing.
>>
>>
>> Laurent
>>
>>
>>
>
>