Re: low power single disk nodes

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We also got one of those too. I think the cabling on the front and
limited I/O options deterred us, otherwise, I really liked that box
too.

On Mon, Apr 13, 2015 at 10:34 AM, Nick Fisk <nick@xxxxxxxxxx> wrote:
> I went for something similar to the Quantas boxes but 4 stacked in 1x 4U box
>
> http://www.supermicro.nl/products/system/4U/F617/SYS-F617H6-FTPT_.cfm
>
> When you do the maths, even something like a banana pi + disk starts costing
> a similar amount and you get so much more for your money in temrs of
> processing power, NIC bandwidth...etc
>
>
>> -----Original Message-----
>> From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of
>> Robert LeBlanc
>> Sent: 13 April 2015 17:27
>> To: Jerker Nyberg
>> Cc: ceph-users@xxxxxxxxxxxxxx
>> Subject: Re:  low power single disk nodes
>>
>> We are getting ready to put the Quantas into production. We looked at the
>> Supermico Atoms (we have 6 of them), the rails were crap (they exploded
>> the first time you pull the server out, and they stick out of the back of
> the
>> cabinet about 8 inches, these boxes are already very deep), we also ran
> out
>> of CPU on these boxes and had limited PCI I/O).
>> They may work fine for really cold data. It may also work fine with XIO
> and
>> Infiniband. The Atoms still had pretty decent performance given these
>> limitations.
>>
>> The Quantas removed some of the issues with NUMA, had much better PCI
>> I/O bandwidth, comes with a 10 Gb NIC on board. The biggest drawback is
>> that 8 drives is on a SAS controller and 4 drives are on a SATA
> controller, plus
>> SATADOM and a free port. So you have to manage two different controller
>> types and speeds (6Gb SAS and 3Gb SATA).
>>
>> I'd say neither is perfect, but we decided on Quanta in the end.
>>
>> On Mon, Apr 13, 2015 at 5:17 AM, Jerker Nyberg <jerker@xxxxxxxxxxxx>
>> wrote:
>> >
>> > Hello,
>> >
>> > Thanks for all replies! The Banana Pi could work. The built in
>> > SATA-power in Banana Pi can power a 2.5" SATA disk. Cool. (Not 3.5"
>> > SATA since that seem to require 12 V too.)
>> >
>> > I found this post from Vess Bakalov about the same subject:
>> > http://millibit.blogspot.se/2015/01/ceph-pi-adding-osd-and-more-perfor
>> > mance.html
>> >
>> > For PoE I have only found Intel Galileo Gen 2 or RouterBOARD RB450G
>> > which are too slow and/or miss IO-expansion. (But good for
>> > signage/Xibo maybe!)
>> >
>> > I found two boxes from Quanta and SuperMicro with single socket Xeon
>> > or with Intel Atom (Avaton) that might be quite ok. I was only aware
>> > of the dual-Xeons before.
>> >
>> > http://www.quantaqct.com/Product/Servers/Rackmount-
>> Servers/STRATOS-S10
>> > 0-L11SL-p151c77c70c83
>> > http://www.supermicro.nl/products/system/1U/5018/SSG-5018A-
>> AR12L.cfm
>> >
>> > Kind regards,
>> > Jerker Nyberg
>> >
>> >
>> >
>> >
>> > On Thu, 9 Apr 2015, Quentin Hartman 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>
>> 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
>> >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>> >>>
>> >>
>> > _______________________________________________
>> > ceph-users mailing list
>> > ceph-users@xxxxxxxxxxxxxx
>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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>
>
>
>
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