linux-kernel - RE: Software raid0 will crash the file-system, when each disk is 5TB

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Message-ID: <659F626D666070439A4A5965CD6EBF406B3324@gazelle.ad.endace.com>
Date:	Thu, 17 May 2007 09:42:33 +1200
From:	"Jeff Zheng" <Jeff.Zheng@...ace.com>
To:	"Jan Engelhardt" <jengelh@...ux01.gwdg.de>, <david@...g.hm>
Cc:	"Andreas Dilger" <adilger@...sterfs.com>,
	<linux-kernel@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>
Subject: RE: Software raid0 will crash the file-system, when each disk is 5TB

Problem is that is only happens when you actually write data to the
raid. You need the actual space to reproduce the problem.

Jeff 

-----Original Message-----
From: Jan Engelhardt [mailto:jengelh@...ux01.gwdg.de] 
Sent: Thursday, 17 May 2007 6:17 a.m.
To: david@...g.hm
Cc: Andreas Dilger; Jeff Zheng; linux-kernel@...r.kernel.org;
linux-fsdevel@...r.kernel.org
Subject: Re: Software raid0 will crash the file-system, when each disk
is 5TB


On May 16 2007 11:04, david@...g.hm wrote:
>
> I'm getting ready to setup a similar machine that will have 3x10TB (3 
> 15 disk arrays with 750G drives), but won't be ready to try this for a
few more days.

You could emulate it with VMware. Big disks are quite "cheap" when they
are not allocated.


	Jan
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