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Scenario System Status Data Integrity Comments
system, same NAS
appliance
Dual‐NAS controller
failure in multiple NAS
appliance system,
separate NAS appliances
Available, degraded Unaffected
• Peer NAS controller enters
journaling mode
• Failed NAS controller can be
replaced while keeping the
file system online
Ports Used by the FluidFS System
The FluidFS system uses the ports listed in the following table. You might need to adjust your firewall
settings to allow the traffic on these ports. Some ports might not be used, depending on which features
are enabled.
Required Ports
The following table summarizes ports that are required for all FluidFS systems.
Port Protocol Service Name
22 TCP
SSH
53 TCP
DNS
80 TCP
Internal system use
111 TCP and UDP
portmap
427 TCP and UDP
SLP
443 TCP
Internal system use
445 TCP and UDP
CIFS/SMB
2049–2049+(domain number ‐
1)
TCP and UDP
NFS
4000–4000+(domain number ‐
1)
TCP and UDP
statd
4050–4050+(domain number ‐
1)
TCP and UDP
NLM (lock manager)
5001–5001+(domain number ‐ 1) TCP and UDP
mount
5051–5051+(domain number ‐ 1) TCP and UDP
quota
44421 TCP
FTP
44430–44439 TCP
FTP (Passive)
Feature-Specific Ports
The following table summarizes ports that are required, depending on enabled features.
18