RPi (or something similar) cluster and GlusterFS - feedback?

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For many years (after some nasty experiences) I have been in the habit of using a Fedora Work Station (which stays on but gets rebooted fairly frequently) and a separate Fedora server (email-MTA, some Web sites etc) which stays on for very long periods of time and only gets rebooted infrequently. I have other systems that get booted occasionally. My habit has been to backup / rsync important / critical data between the regular WS and the main server as appropriate - this has allowed me on a number of occasions to recover happily when hardware has failed, to get going temporarily again on one or the other machine while I sort out the problem.

More recently I have been thinking about building an ARM cluster with Gluster that would hold all the data for both the WS and the main server and any other WSs or servers I might need to run from time to time. I would still make use of an off-site backup anyway but I like the idea of just being able to add another ARM device + SATA drive to the cluster to create more data space. I also thought I would go back to making use of WSs that were basically just X-servers that booted from some sort of USB stick but got the OS image from the cluster - this might be complicated by the fact I now use Sway rather than X - but one problem at a time . .

Has anyone here set up a cluster something like this? Have people any suggestions about specific Fedora web pages / docs to look at?

I have been tracking CEPH for some time and while it looks interesting, it seems overkill for what I am thinking of doing and more technically difficult to support / debug etc. I am thinking of starting the exercise with 4 RPis each with an 8Tb SATA drive.


Philip Rhoades

PO Box 896
Cowra  NSW  2794
E-mail:  phil@xxxxxxxxxxxxx
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