This section provides an overview of supported configurations and known limits for Qumulo Core.

Supported Configurations

Configuration Type Supported Value
  • FTP
  • NFSv3
  • NFSv4.1
  • SMB 2.002
  • SMB 2.1
  • SMB 3.0
  • SMB 3.1
For more information, see Enabling and Using NFSv4.1 on a Qumulo Cluster and Managing File Access Permissions by Using NFSv4.1 Access Control Lists (ACLs).
Browser Google Chrome 80 (and higher)
Clients over SMB
  • macOS 10.14 (and higher)
  • Windows 7 (and higher)
Clients over NFS
  • macOS 10.14 (and higher)
  • Linux Kernel 2.6.X (and higher)
Linux Configuration Qumulo Core is up to date with all Ubuntu 18.04 security updates.
Domain-Functional Level Microsoft Windows Server 2008 R2 (and higher)
Kerberos V5 Encryption Types
  • RC4-HMAC-MD5
LDAP Servers OpenLDAP for Group Expansion
Python Version for qq CLI 3.8 (and higher)

Known Limits

Limit Type Maximum Value
On-Premises Cluster Size 265 nodes
Cloud Cluster Size 100 nodes
Floating IP Addresses per Node 10
NFS Exports 64,000
SMB Shares 40,000
Access Control Entries (ACEs) in an Access Control List (ACL) 200
NFS Groups 16 without RFC 2307 with Kerberos
Combined Users and Groups 4 billion
Characters in Cluster Name 2-15, alphanumeric and hyphen (-)
Characters in Full Path (Path Name) 32,760 (protocol-limited)
Characters in File Path Component (File or Directory) 255
Files in a Directory 4.3 billion
File Size 9 exabytes
Number of Files 18 quintillion
Hard Links per File 1,024
LDAP Domains 1
Active Directory Domains 1
DNS Servers 3
Snapshots 40,000
Quotas Not specified
Number of Replication Relationships 100