From mboxrd@z Thu Jan  1 00:00:00 1970
From: Roberto Nunnari <roberto.nunnari@supsi.ch>
Subject: Re: replacing drives
Date: Tue, 30 Apr 2013 17:19:51 +0200
Message-ID: <517FE117.8020201@supsi.ch>
References: <517A8EB5.8080100@supsi.ch> <20130426155347.GA9928@cthulhu.home.robinhill.me.uk>
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To: Roberto Nunnari <roberto.nunnari@supsi.ch>, "linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>
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Robin Hill wrote:
> Then, if you're keeping the same number of partitions but increasing the
> size:
>  - grow the arrays to fill the partitions
>  - grow the filesystems to fill the arrays

This is the most scaring part.. I'd better take a full backup before 
doing that.. but 500GB.. don't have LVM.. and can't afford a long 
service stop..

Robi