IN THIS ARTICLE
This article provides an overview of the known limits and supported configurations for Qumulo clusters.
DETAILS
The following are the known limits and supported configurations for Qumulo clusters based on internal testing and certification processes.
Supported Protocols (and Versions)
- FTP
- NFSv3
- NFSv4.1
- SMB 2.002
- SMB 2.1
- SMB 3.0
- SMB 3.1
For more information about NFSv4.1, see Enabling and Using NFSv4.1 on a Qumulo Cluster and Managing File Access Permissions Using NFSv4.1 Access Control Lists (ACLs).
Supported Browser
Google Chrome (version 80 or later)
Supported Clients over SMB
- macOS 11, 10.15, 10.14
- Windows 11, 10, 8.1, 8, 7
Supported Clients over NFS
- macOS 11, 10.15, 10.14
- Linux Kernel 5.x, 4.x, 3.x, 2.6.x
Linux Configuration
Qumulo Core is up-to-date with all Ubuntu 18.04 security updates
Domain-Functional Level
Microsoft Windows Server 2008 R2 and above
Note: Samba Domain Controllers are unsupported.
Supported Kerberos V5 Encryption Types
- RC4-HMAC-MD5
- AES256-CTS-HMAC-SHA1
- AES128-CTS-HMAC-SHA1
Maximum On-Premises Cluster Size
100 nodes
Maximum Cloud Cluster Size
100 nodes
Maximum Floating IP Addresses per Node
10 IP addresses
Maximum NFS Exports
64,000 exports
Maximum SMB Shares
40,000 shares
Maximum ACEs in ACL
200 ACEs
NFS Group Limit
16 without RFC2307+kerberos
Max Combined Users and Groups
4 billion
Character Limits
- Cluster Name: 2-15 characters (alphanumeric or
-
) - Full Path (pathname): 32,760 characters (protocol limited)
- File Path Component (file or directory): 255 characters
Maximum Files in a Directory
4.3 billion files
Maximum File Size
9 exabytes
Maximum Number of Files
18 quintillion files
Max Number of Hard Links per File
1024 hard links
Total LDAP Domains
1 domain
Supported LDAP Servers
OpenLDAP for group expansion
Total Active Directory Domains
1 domain
Total DNS servers
Up to 3 DNS servers
Maximum Snapshots
40,000 snapshots
Maximum Quotas
Not Specified
Replication Limits
- Max Relationships: 100
- Max Directory Depth: 100
QQ Command-Line Tool Requirements
- Python 3.8 (or higher)
ADDITIONAL RESOURCES
QQ CLI: Comprehensive List of Commands
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