Re: low power single disk nodes

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Notice that this is under their emerging technologies section. I don't think you can buy them yet. Hopefully we'll know more as time goes on. :)

Mark


On 04/09/2015 10:52 AM, Stillwell, Bryan wrote:
These are really interesting to me, but how can you buy them?  What's the
performance like in ceph?  Are they using the keyvaluestore backend, or
something specific to these drives?  Also what kind of chassis do they go
into (some kind of ethernet JBOD)?

Bryan

On 4/9/15, 9:43 AM, "Mark Nelson" <mnelson@xxxxxxxxxx> wrote:

How about drives that run Linux with an ARM processor, RAM, and an
ethernet port right on the drive?  Notice the Ceph logo. :)

https://www.hgst.com/science-of-storage/emerging-technologies/open-etherne
t-drive-architecture

Mark

On 04/09/2015 10:37 AM, Scott Laird wrote:
Minnowboard Max?  2 atom cores, 1 SATA port, and a real (non-USB)
Ethernet port.


On Thu, Apr 9, 2015, 8:03 AM phil@xxxxxxxxx <mailto:phil@xxxxxxxxx>
<phil@xxxxxxxxx <mailto:phil@xxxxxxxxx>> wrote:

     Rather expensive option:

     Applied Micro X-Gene, overkill for a single disk, and only really
     available in a
     development kit format right now.


<https://www.apm.com/products/__data-center/x-gene-family/x-__c1-developm
ent-kits/

<https://www.apm.com/products/data-center/x-gene-family/x-c1-development-
kits/>>

     Better Option:

     Ambedded CY7 - 7 nodes in 1U half Depth, 6 positions for SATA disks,
     and one
     node with mSATA SSD

     <http://www.ambedded.com.tw/__pt_list.php?CM_ID=20140214001
     <http://www.ambedded.com.tw/pt_list.php?CM_ID=20140214001>>

     --phil

      > On 09 April 2015 at 15:57 Quentin Hartman
     <qhartman@xxxxxxxxxxxxxxxxxxx <mailto:qhartman@xxxxxxxxxxxxxxxxxxx>>
      > wrote:
      >
      >  I'm skeptical about how well this would work, but a Banana Pi
     might be a
      > place to start. Like a raspberry pi, but it has a SATA connector:
      > http://www.bananapi.org/
      >
      >  On Thu, Apr 9, 2015 at 3:18 AM, Jerker Nyberg
     <jerker@xxxxxxxxxxxx <mailto:jerker@xxxxxxxxxxxx>
      > <mailto:jerker@xxxxxxxxxxxx <mailto:jerker@xxxxxxxxxxxx>> >
wrote:
      >    > >    Hello ceph users,
      > >
      > >    Is anyone running any low powered single disk nodes with
     Ceph now?
      > > Calxeda seems to be no more according to Wikipedia. I do not
     think HP
      > > moonshot is what I am looking for - I want stand-alone nodes,
     not server
      > > cartridges integrated into server chassis. And I do not want to
     be locked to
      > > a single vendor.
      > >
      > >    I was playing with Raspberry Pi 2 for signage when I thought
     of my old
      > > experiments with Ceph.
      > >
      > >    I am thinking of for example Odroid-C1 or Odroid-XU3 Lite or
     maybe
      > > something with a low-power Intel x64/x86 processor. Together
     with one SSD or
      > > one low power HDD the node could get all power via PoE (via
     splitter or
      > > integrated into board if such boards exist). PoE provide remote
     power-on
      > > power-off even for consumer grade nodes.
      > >
      > >    The cost for a single low power node should be able to
     compete with
      > > traditional PC-servers price per disk. Ceph take care of
     redundancy.
      > >
      > >    I think simple custom casing should be good enough - maybe
     just strap or
      > > velcro everything on trays in the rack, at least for the nodes
     with SSD.
      > >
      > >    Kind regards,
      > >    --
      > >    Jerker Nyberg, Uppsala, Sweden.
      > >    _________________________________________________
      > >    ceph-users mailing list
      > > ceph-users@xxxxxxxxxxxxxx <mailto:ceph-users@xxxxxxxxxxxxxx>
     <mailto:ceph-users@xxxxxxxxxx.__com
<mailto:ceph-users@xxxxxxxxxxxxxx>>
      > > http://lists.ceph.com/__listinfo.cgi/ceph-users-ceph.__com
     <http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com>
      > > <http://lists.ceph.com/__listinfo.cgi/ceph-users-ceph.__com
     <http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com>>
      > >  >  _________________________________________________
      >  ceph-users mailing list
      > ceph-users@xxxxxxxxxxxxxx <mailto:ceph-users@xxxxxxxxxxxxxx>
      > http://lists.ceph.com/__listinfo.cgi/ceph-users-ceph.__com
     <http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com>
      >


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