Re: SSDs

I usually build file servers with a lower cost 2 port array for OS only
then build a Linux Raid of the main storage area this could easily apply to
SSD's. some tips for SSD's up the ram and turn of swap or lower the
swappiness and put swap on a secondary disk if you are not comfortable with
a swap-less system. and that is only in the ones I'm really paranoid about.


On Tue, Apr 2, 2013 at 2:59 PM, Paul Mooring <paul@opscode.com> wrote:

> Well I think the answer is it depends. I think his point is that ssds
> are way faster, faster than your SAS RAID 10 most of the time. They really
> are more expensive for bulk storage, and don't have the reliability of a
> traditional RAID set up, but that's not necessarily a problem. Most of the
> time (hopefully always) your data is backed up elsewhere frequently and
> your have some redundancy by way of master/slave servers and load
> balancing. If that's the case, using solid state drives will wipe the
> floor with traditional magnetic disks at the cost of some reliability
> (assuming you buy server grade drives they're still reliable).
> --
> Paul Mooring
> Systems Engineer and Customer Advocate
>
> www.opscode.com
>
> From: keith smith <klsmith2020@yahoo.com>
>
> Reply-To: Main PLUG discussion list <plug-discuss@lists.phxlinux.org>
> Date: Tuesday, April 2, 2013 2:21 PM
>
> To: Main PLUG discussion list <plug-discuss@lists.phxlinux.org>
> Subject: Re: SSDs
>
>
> I'm almost sold. Are you saying it is ok, or even recommended to build a
> web server with SSD's only?
>
>
>
> ------------------------
> Keith Smith
>
> --- On *Tue, 4/2/13, Paul Mooring <paul@opscode.com>* wrote:
>
>
> From: Paul Mooring <paul@opscode.com>
> Subject: Re: SSDs
> To: "Main PLUG discussion list" <plug-discuss@lists.phxlinux.org>
> Date: Tuesday, April 2, 2013, 2:08 PM
>
> http://www.youtube.com/watch?v=H7PJ1oeEyGg
> --
> Paul Mooring
> Systems Engineer and Customer Advocate
>
> www.opscode.com
>
> From: Lisa Kachold <lisakachold@obnosis.com<http://mc/compose?to=lisakachold@obnosis.com>
> >
> Reply-To: Main PLUG discussion list <plug-discuss@lists.phxlinux.org<http://mc/compose?to=plug-discuss@lists.phxlinux.org>
> >
> Date: Tuesday, April 2, 2013 1:24 PM
> To: Main PLUG discussion list <plug-discuss@lists.phxlinux.org<http://mc/compose?to=plug-discuss@lists.phxlinux.org>
> >
> Subject: Re: SSDs
>
> I have also found that in deference to their claims some of the SSDs
> are SLOWER than regular enterprise drives.
> I believe this new technology leaves a lot to be desired.
>
>
> On Tue, Apr 2, 2013 at 12:27 PM, Derek Trotter <expat.arizonan@gmail.com<http://mc/compose?to=expat.arizonan@gmail.com>
> > wrote:
>
> I have a question about SSDs. I've read that they like the USB thumb
> drives can be written to a certain number of times before they fail. What
> is the expected lifetime of an SSD? They're terribly expensive if they're
> only going to last 2 or 3 years.
>
> Derek
>
> --
> "I get my copy of the daily paper, look at the obituaries page, and if I’m
> not there, I carry on as usual."
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> Patrick Moore
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