public inbox for [email protected]  
help / color / mirror / Atom feed
From: ji hwan song <[email protected]>
To: Sam Stearns <[email protected]>
Cc: Rui DeSousa <[email protected]>
Cc: Henry Ashu <[email protected]>
Cc: [email protected]
Subject: Re: Postgresql Software Location
Date: Fri, 30 Aug 2024 12:56:04 +0900
Message-ID: <CAHTrd79A=gRaVXAzMmuTVmkjk7KtF-whPa0oHFDcOGocvV4oHg@mail.gmail.com> (raw)
In-Reply-To: <CAN6TVjnm5KAeaYjXHoBG+G-xzVsbjwU5Qp2kNEsheMO5j_8WvA@mail.gmail.com>
References: <CABHPps5BG3NFh4xXGjuTxs4yniXV+YNrDj8s86kOAEg7-7QG5g@mail.gmail.com>
	<[email protected]>
	<CAN6TVjnm5KAeaYjXHoBG+G-xzVsbjwU5Qp2kNEsheMO5j_8WvA@mail.gmail.com>

루트엔 설치 가급적 하지마시고 별도의 공간에 파일시스템을 만들고 해당 명칭으로 링크를 걸어주세요..

2024년 8월 30일 (금) 오전 11:34, Sam Stearns <[email protected]>님이 작성:

> Thanks, Rui!
>
> On Fri, Aug 30, 2024 at 11:52 AM Rui DeSousa <[email protected]>
> wrote:
>
>>
>>
>> On Aug 29, 2024, at 2:12 PM, Henry Ashu <[email protected]> wrote:
>>
>> We have installed our postgresql software in this location:
>>
>> [postgres@testdbapql01 data]$ pwd
>> /var/lib/pgsql/16/data
>> [postgres@testbapql01 data]$ df -h .
>> Filesystem             Size  Used Avail Use% Mounted on
>> /dev/mapper/rhel-root   28G  4.5G   23G  17% /
>> [postgres@testdbapql01 data]$
>>
>> Does this look correct? We are thinking that it should not be installed
>> on the root filesystem.
>>
>> Thank you
>>
>> *Henry Ashu*
>>
>> Database Administrator
>> *o:* 503.672.5114 | *f:* 800.551.8821 | DAT.com
>> [image: DAT Solutions] <https://www.dat.com/;    [image: Like us on
>> Facebook] <https://www.facebook.com/loadboards;  [image: Follow us on
>> Twitter] <https://twitter.com/loadboards;  [image: Connect with us on
>> LinkedIn] <https://www.linkedin.com/company/datsolutions;  [image: Visit
>> our YouTube Channel] <https://www.youtube.com/datloadboards;  [image:
>> Visit us on Instagram] <https://instagram.com/dat_solutions;
>>
>>
>> Yes, it is better to have more mount points than not.  Root should be its
>> own mount point; OSs do not like when the root volume is full thus it is
>> normally a very small filesystem.
>>
>> Disclaimer: I’ve seen servers with a single mount point /.  A lot of
>> devops servers are setup with a single mount point for the entire OS.
>> Seems like that is the case with your system.  The reason to have multiple
>> filesystem is space management, mount point options, and filesystem
>> corruption.  I haven’t had the need to run fsck in decades until last
>> month.  An xfs volume was corrupted and even fsck couldn’t fix it; had to
>> resort to a filesystem snapshot.
>>
>> I normally have three;
>>
>> 1. /var/log — for log files via syslog.  You don’t want a run away
>> application to full up the log directory and crash the server.
>> 2. $PGDATA — data volume
>> 3. $PGDATA/pg_wal — Normally, I’m using ZFS with different filesystem
>> properties.  It’s also a good idea to manage the space separately.
>>
>> As far as absolute mount points that’s a preference; my current gig is
>> using the following with the instance names as a directory under those
>> mount points.
>>
>> /pg_data
>> /pg_wal
>>
>>
>>
>>
>
> --
>
> *Samuel Stearns*
> Lead Database Administrator
> *c:* 971 762 6879 | *o:* 503 672 5115 | DAT.com
> [image: DAT]
> <https://www.dat.com/?utm_medium=email&utm_source=DAT_email_signature_link;
>


view thread (5+ messages)

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected], [email protected], [email protected], [email protected]
  Subject: Re: Postgresql Software Location
  In-Reply-To: <CAHTrd79A=gRaVXAzMmuTVmkjk7KtF-whPa0oHFDcOGocvV4oHg@mail.gmail.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox