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Re: [xfs_check Out of memory: ]

To: Dave Chinner <david@xxxxxxxxxxxxx>, Arkadiusz MiÅkiewicz <arekm@xxxxxxxx>
Subject: Re: [xfs_check Out of memory: ]
From: Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>
Date: Sun, 29 Dec 2013 19:55:13 -0600
Cc: Stor?? <289471341@xxxxxx>, Jeff Liu <jeff.liu@xxxxxxxxxx>, xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20131229095033.GL20579@dastard>
References: <tencent_3F12563342ED1D4E049D1123@xxxxxx> <201312270907.22638.arekm@xxxxxxxx> <20131227224212.GK20579@dastard> <201312280020.39244.arekm@xxxxxxxx> <20131229095033.GL20579@dastard>
Reply-to: stan@xxxxxxxxxxxxxxxxx
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 Thunderbird/24.2.0
On 12/29/2013 3:50 AM, Dave Chinner wrote:
> I think you are forgetting that developer time is *expensive* and
> *scarce*. This is essentially a solved problem: An SSD in a USB3
> enclosure as a temporary swap device is by far the most cost
> effective way to make repair scale to arbitrary amounts of metadata.
> It certainly scales far better than developer time and testing
> resources...

Now this is an interesting idea Dave.  I hadn't considered temporary
swap.  Would USB be reliable enough for this?  I've seen lots problem
reports with folks using USB storage with Linux, random disconnections
and what not.


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