Re: BUG #15810: Using custom directory on external HDD gives permission error

From: Omer Ozarslan <omerfaruko(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Michael Paquier <michael(at)paquier(dot)xyz>, pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: BUG #15810: Using custom directory on external HDD gives permission error
Date: 2019-05-17 03:39:19
Message-ID: CAMsVCmWy9bfCjrA6OoiEX7YcyXdpuskZFs+KDCXY7sW8Uk_+6A@mail.gmail.com
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On Thu, May 16, 2019 at 6:59 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> I think we do a chmod but we don't then check to see if stat reports
> the correct permissions. IIUC, the reporter is using a filesystem
> that lacks permissions altogether and is just ignoring the chmod.
> So later checks fail.

Yes, this is likely the case btw:

```
omer(at)omer:/media/omer/My Book/ris/postgres_data$ ls -al postgresql.conf
-rwxrwxrwx 1 omer omer 23902 May 16 11:06 postgresql.conf
omer(at)omer:/media/omer/My Book/ris/postgres_data$ chmod u=rwx,g=rx,o=
postgresql.conf
omer(at)omer:/media/omer/My Book/ris/postgres_data$ echo $?
0
omer(at)omer:/media/omer/My Book/ris/postgres_data$ ls -al postgresql.conf
-rwxrwxrwx 1 omer omer 23902 May 16 11:06 postgresql.conf
```

Best,
Omer

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