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 18.04 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) |
Known Limits
| Limit Type | Maximum Value |
|---|---|
| On-Premises Cluster Size | 265 nodes |
| Cloud Cluster Size | 100 nodes |
| 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 (limited by protocol) |
| Characters in File Path Component (File or Directory) | 255 (limited by protocol) |
| Files in a Directory | 4.3 billion |
| File Size | 9 exabytes |
| Number of 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 maximum number of directories or the entire inode space. |
| Number of 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. |