[pve-devel] quorum using Rasberry Pi as node

Michael Rasmussen mir at datanom.net
Fri May 27 00:59:47 CEST 2016


On Tue, 24 May 2016 21:21:29 +0200
Thomas Lamprecht <t.lamprecht at proxmox.com> wrote:

> 
> I would not recommend the first generation for anything else than testing, its - not to powerful - single core is a limitation which can lead to starvation of corosync/pmxcfs, also we are using 64 bit stuff heavily on a 32 bit platform, each instruction takes almost double the cycles then on the ARMv8 from the Raspberry Pi 3.
> 
I have just received my Pi 3 and it seems you are wrong in the
assumption that Pi 3 should be based on ARMv8 and aarch64.

$ file /lib/systemd/systemd
/lib/systemd/systemd: ELF 32-bit LSB shared object, ARM, EABI5 version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux-armhf.so.3, for GNU/Linux 2.6.32, BuildID[sha1]=2522b3d9033024e417036999161b98fa0b5d498f, stripped

$ lscpu
Architecture:          armv7l
Byte Order:            Little Endian
CPU(s):                4
On-line CPU(s) list:   0-3
Thread(s) per core:    1
Core(s) per socket:    4
Socket(s):             1
Model name:            ARMv7 Processor rev 4 (v7l)
CPU max MHz:           1200.0000
CPU min MHz:           600.0000

This is from a Pi 2:
$ lscpu 
Architecture:          armv7l
Byte Order:            Little Endian
CPU(s):                4
On-line CPU(s) list:   0-3
Thread(s) per core:    1
Core(s) per socket:    4
Socket(s):             1
Model name:            ARMv7 Processor rev 5 (v7l)
CPU max MHz:           900.0000
CPU min MHz:           600.0000


-- 
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Michael Rasmussen

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