Re: [MooseFS-Users] Reloading the operating system of the master server

[Ricardo J. B. <ric...@do...>]

El lunes, 7 de marzo de 2022 19:37:33 -03 David Myer via moosefs-users 
escribió:
> Dear MooseFS-Users,
> 
> I need to reload the operating system on my master. As some of you may know,
> CentOS 8 rather abruptly became EOL, and various repos have stopped working
> for it. I'm encountering more and more issues so I thought I'd jump ship
> and move to a new Linux distro before I regret it.
> 
> In terms of reloading the OS, what would happen if I shutdown
> moosefs-master, shutdown the linux server, reloaded it with a new OS and
> loaded moosefs-master back on to it? Is it as simple as this, or would I
> need to backup various master metadata before doing this?
> 
> I'm aware that switching masters is risky, so I am fine having some downtime
> while shutting down and re-installing the master onto the same machine.
> 
> My cluster looks like this:
> 
> - server 1: master+chunkserver
> - server 2: metalogger+chunkserver
> - server 3: metalogger+chunkserver
> 
> Any help appreciated.
> 
> Thanks,
> David

Hi David,

Instead of reinstalling, you could switch to AlmaLinux or Rocky Linux:

https://www.cyberciti.biz/howto/how-to-migrate-from-centos-8-to-almalinux-conversion/

https://www.cyberciti.biz/howto/migrate-from-centos-8-to-rocky-linux-conversion/


Anyway, backing up the configs, metadata and changelogs before reinstalling or 
switching is never a bad idea.

Cheers,
-- 
Ricardo J. Barberis
Senior SysAdmin / IT Architect
DonWeb.com
La Actitud Es Todo
  _____