HP ProLiant DL380G5-WSS 3.7.0 HP StorageWorks HP Scalable NAS File Serving Sof - Page 403
Upgrade Samba, Considerations for deploying Samba with HP Scalable NAS
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Upgrade Samba HP recommends that you upgrade your servers to the Samba 3.0.30 release. Testing has shown that this release provides a better environment for the Samba solution than the Samba release included with the operating system distributions. NOTE: Samba releases later than 3.0.32 are not supported with HP Scalable NAS. Considerations for deploying Samba with HP Scalable NAS Be sure to review the following considerations before configuring Samba. • This configuration is not a replacement for large-scale Windows File Serving de- ployments. The maximum number of users for a Samba server is 200 active users per node. The HP Scalable NAS/Samba solution has been tested with several hundred users in a high stress mode and is stable and responsive; however, some workloads may be significantly more taxing for the server than others. HP recommends that sites planning a large client workload for the Samba cluster contact HP consulting for specific configuration help. • The ACL feature provided with Windows File Serving is not supported. • The Samba deployment may affect the performance of other applications on your cluster servers, depending on how heavily the Samba server is used. Although there are no specific guidelines for determining how a server may be affected based on workload, the administrator should be aware of this potential impact and should monitor performance when users begin accessing the Samba server. • This solution makes Samba highly available but it is not a scale-out configuration. Samba itself is not designed to share the same data from multiple servers at the same time, and this solution does not address this Samba limitation. • Opportunistic Locking (oplocks) are turned on by default. They can be turned off, which may improve performance for some workloads. • If the Samba solution is deployed in a large enterprise Windows server environment (with many Windows servers on the same network as the Samba cluster), the Administrator should turn off the Master Browser ability for all but one server in the cluster. (The Samba solution does not default to this configuration.) This avoids Master Browser elections, which can consume significant amounts of bandwidth. HP Scalable NAS File Serving Software administration guide 403