Gavin W. Burris on 9 May 2014 13:40:41 -0700

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Re: [PLUG] iSCSI storage appliance(s)

One of my cheapest bulk sneakernet options was eSATA, hot-plugged and
rsynced after getting carried off a plane or boat.  Worked well, but the
drive was also a self-contained hardware RAID 5 with ext4 on it.

On Fri 05/09/14 04:32PM -0400, brent timothy saner wrote:
> On 05/09/2014 04:17 PM, Gavin W. Burris wrote:
> > Hi, Lee.
> > 
> > I was implying that one should confirm that hot swapping drives
> > under Linux is a good idea with a particular hardware config sans
> > raid controller.
> oh, it's totally do-able.
> for an example. i'd argue it's even easier to do with mdadm than it is
> with most dedicated RAID controllers.
> note that you can even hotswap non-raided devices with newer SATA
> controllers, even consumer level (provided you aren't running, say,
> /usr on the disk you swap out. there are ways to do that, but if you
> need that kind of hotswap capability- you're gonna want to run a
> mirroring-type RAID regardless).
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Gavin W. Burris
Senior Project Leader for Research Computing
The Wharton School
University of Pennsylvania
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