[Lustre-discuss] iptables rules for lustre 1.6.x and MGS recovery procedures

[Anand Bisen]

Hi,

I would like to know what TCP/UDP ports should i keep open in my  
firewall policies on my MGS server such that I can have my MGS server  
fire-walled. Also if in a event of loss of MGT would it be possible  
to recreate the MGT without loosing data or bringing the filesystem  
down (i.e. by using cached information from MDT's and OST's)

Thanks

Anand