Re: [xfs_check Out of memory: ]

[Roger Willcocks <roger@xxxxxxxxxxxxxxxx>]

On 30 Dec 2013, at 01:55, Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx> wrote:

> 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.
> 

I'll just chip in here and mention that we get around this problem by
exporting the broken xfs volume over iscsi and run xfs-repair on another
machine with more memory / swap space.

--
Roger