Re: WAL & ZFS - Mailing list pgsql-admin

From Scott Ribe
Subject Re: WAL & ZFS
Date
Msg-id 366D89BF-6C40-46C3-9631-2EF40EDC49DD@elevated-dev.com
Whole thread Raw
In response to Re: WAL & ZFS  (Rui DeSousa <rui@crazybean.net>)
List pgsql-admin
> \On Apr 1, 2022, at 2:23 PM, Rui DeSousa <rui@crazybean.net> wrote:
>
> Personally and for logical reasons I would build a RAIDZ in powers of 2;  i.e. 2, 4, 8 drives plus parity and then
havea stripe set of RAIDZ2. 

I think your advice is all good for larger systems. For the time being, I am using 4 drives because of purchasing
decisionsmade before I got here, and it turns out that RAIDZ1 is fast enough for our use, so in this case it makes
sensefor the larger space. And rebuild time is not terribly important, since we have enough boxes to have multiple
streamingreplicas. 


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