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Message-ID: <20180628225857.GB1231@thunk.org>
Date: Thu, 28 Jun 2018 18:58:57 -0400
From: "Theodore Y. Ts'o" <tytso@....edu>
To: Steve French <smfrench@...il.com>
Cc: linux-fsdevel <linux-fsdevel@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>,
samba-technical <samba-technical@...ts.samba.org>,
CIFS <linux-cifs@...r.kernel.org>
Subject: Re: config files and how to have persistent Linux kernel Driver/File
System configuration info saved
On Thu, Jun 28, 2018 at 05:37:15PM -0500, Steve French wrote:
> Ronnie brought up an interesting point about the problems consistently
> configuring file systems (or any Linux module for that matter) so that
> reboot doesn't wipe away security or performance tuning changes.
In general it's considered best practice to make the file system
auto-tune itself as much as possible, because the sad fact is that
99.9999% of the customers aren't going to bother to add any tuning
parameters. So there hasn't been a push to try to create something
more complex, because it's generally not needed.
Settings via /sys/fs/ext4 are generally for developers as they try to
understand how things work, so they can improve the file systems
defaults / auto-tuning algorithms.
- Ted
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