linux-kernel - Re: EXT4-ish "fixes" in UBIFS

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Message-ID: <9b1675090904022215u612a3c06g98c3dcf3e74571a2@mail.gmail.com>
Date:	Thu, 2 Apr 2009 23:15:29 -0600
From:	"Trenton D. Adams" <trenton.d.adams@...il.com>
To:	Theodore Tso <tytso@....edu>, David Rees <drees76@...il.com>,
	"Trenton D. Adams" <trenton.d.adams@...il.com>,
	Christian Kujau <lists@...dbynature.de>,
	Artem Bityutskiy <Artem.Bityutskiy@...ia.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: EXT4-ish "fixes" in UBIFS

On Thu, Apr 2, 2009 at 11:02 PM, Theodore Tso <tytso@....edu> wrote:
> On Thu, Apr 02, 2009 at 07:58:17PM -0700, David Rees wrote:
>>
>> I've got a problematic server with 8GB RAM.  Even if set both to 1,
>> that's 80MB and the crappy disks I have in it will often only write
>> 10-20MB/s or less due to the seekiness of the workload.  That means
>> delays of 5-10 seconds worst case which isn't fun.
>>
>
> People will still be better off moving to ext4, but for people who
> aren't quite confident in ext4's stability yet and who want to stick
> with ext3, maybe it's a good short-term solution.  Maybe
> data=writeback with the rename hueristic would be a better default
> than data=ordered for ext3.
>
>                                                - Ted
>

I've tried that before...

tdamac ~ # mount -t ext3 -o data=writeback,remount,rw /dev/s/sys /
mount: / not mounted already, or bad option

Does it have to be done on initial mount?
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