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Date:      Fri, 17 Feb 2012 13:57:28 -0600
From:      Adam Vande More <amvandemore@gmail.com>
To:        Alexander Best <arundel@freebsd.org>
Cc:        freebsd-fs@freebsd.org
Subject:   Re: freebsd-swap on ssd
Message-ID:  <CA%2BtpaK27uhsrjjKzD5V0_Xtwt%2B_st_PDWVYdrw15ig3cTcLR=A@mail.gmail.com>
In-Reply-To: <20120217193031.GA34283@freebsd.org>
References:  <20120217141607.GA63659@freebsd.org> <4F3E9A14.3070605@freebsd.org> <20120217190921.GA26568@freebsd.org> <4F3EA75C.6070407@freebsd.org> <20120217193031.GA34283@freebsd.org>

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On Fri, Feb 17, 2012 at 1:30 PM, Alexander Best <arundel@freebsd.org> wrote:

> ahh is see. i wasn't aware of that. so in theory doing
>
> while true; do dd if=/dev/zero bs=4096 of=/dev/ssd count=1; done
>
> will not overwrite the first sector continuously, but the ssd controller
> will
> make sure the writes are being sprinkled all over the actual ssd?
>

Sounds like you are seeking info on this process:

http://en.wikipedia.org/wiki/Wear_leveling

-- 
Adam Vande More



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