Dell PowerVault NX3500 - Manual (Page 18)

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.
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