This section provides an overview of supported configurations and known limits for Qumulo Core.
Supported Configurations
| Configuration Type | Supported Value |
|---|---|
| Protocols | |
| Browser | Google Chrome 80 (and higher) |
| Clients over SMB |
|
| Clients over NFS |
|
| Linux configuration | Qumulo Core is up to date with all Ubuntu 20.04 security updates. |
| Domain functional level |
Microsoft Windows Server 2008 R2 (and higher)
Note
Qumulo Core doesn’t support Samba Domain Controllers. |
| Kerberos V5 encryption types |
|
| LDAP servers | OpenLDAP for Group Expansion |
Python version for qq CLI |
3.8 (and higher) |
Supported Switches
Qumulo Core requires switches that meet the following criteria:
- Enterprise-grade
- Fully non-blocking
- Managed
- Supports IPv6
Known Limits
| Limit Type | Maximum Value |
|---|---|
| Cluster size | 265 nodes |
| Hub portals or spoke portals for each node | 32 hub portals or 32 spoke portals (Qumulo Core 7.5.0 and higher) |
| NFS exports | 64,000 |
| SMB shares | 40,000 |
| Access Control Entries (ACEs) in an Access Control List (ACL) | 200 |
| NFS groups | 16, when not using LDAP or Active Directory for RFC 2307 attributes |
| Characters in a cluster name | 2-15, alphanumeric and hyphen (-) |
| Characters in a full path (path name) | 32,760 (limited by protocol) |
| Characters in a file path component (file or directory) | 255 (limited by protocol) |
| Files in a directory | 4.3 billion |
| File size | 9 exabytes |
| Total files | 18 quintillion |
| Hard links for each file | 1,024 |
| LDAP domains | 1 |
| Active Directory domains | 1 |
| DNS servers | 3 |
| Snapshots | 40,000 |
| Quotas |
4.3 billion
Note
This approximate value of 232 is equivalent to the possible maximum of directories or the entire inode space. |
| S3 Bucket object versions | Unlimited (4,294,967,296 theoretical) |
| Total replication relationships |
100
Note
If a directory is more than 100 levels below the file system root directory, you can’t use it as a replication source. |
| Usable provisioned capacity on cluster | 100% |
| NFS sockets |
8,000 TCP sockets for each node
Note
A client configured with the NFS nconnect mount option uses multiple sockets. |
| SMB sockets |
5,000 TCP sockets for each node
Note
A client configured with the SMB Multichannel feature uses multiple sockets. |
| S3 API sockets |
8,000 TCP sockets for each node
Note
By default, a maximum of 5,000 connections can execute actively. |
| REST API sockets | 1,000 TCP sockets for each node |