[pve-devel] quorum using Rasberry Pi as node

[Thomas Lamprecht]

On 22.05.2016 22:48, Michael Rasmussen wrote:
> On Sun, 22 May 2016 16:44:48 +0200 (CEST)
> Dietmar Maurer <dietmar at proxmox.com> wrote:
>
>>>> This would be an interesting task, but I would be more interested
>>>> in pve-cluster (to manage corosync.conf).
>>>>
> I have looked into this and this is what I have found out:
>
> $ file /usr/bin/create_pmxcfs_db
> /usr/bin/create_pmxcfs_db: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=160c6b57da02b9b0e86be3b8995d7097ec8f7558, stripped
> $ file /usr/bin/pmxcfs
> /usr/bin/pmxcfs: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=dd96ad8a35fee8a9013efcc17dd20aa0c69231bb, stripped
>
> Dependencies:
> libcorosync4-pve
> corosync-pve
> libpve-common-perl
>
> libcorosync4-pve and corosync-pve could be replaced with the versions from jessie-backports (2.3.5-3~bpo8+1)
>
> 1) To have this working a porting of create_pmxcfs_db and pmxcfs will
> have to be done to armhf.
> 2) pve-manager will need to be aware of ignore_nodes: <list_of_nodes>
> in datacenter.cfg. Possibly configurable from gui.
>
> Is there something I386 specific in create_pmxcfs_db and pmxcfs?
>

Raspberry 1 here with Raspian Jessie, did not care for build times and its good to test low performance ;)

I built packages for libqb, corosync-pve  and pve-common, no big problems, only two qb test fail but only for test timeout reasons.

I'm onto pve-cluster, there are some portability issues, mostly things which would fixed by setting W-no-format.
It's stuff like size_t variable but %lu format and uint64_t but %zX, ... nothing all to problematic.
But just because it compiles it doesn't have to run (instantly).

I'll continue with this, but its not to high priority.
But I agree, ARM will come to servers more, not in a short time but still.
Also they have chips with virtualisation features and there exists a basic KVM for it.

cheers,
Thomas

>
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