Serviceguard NFS Toolkit A.11.31.
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Table of Contents Serviceguard NFS Toolkit Overview....................................................................................7 Announcement.....................................................................................................................8 Limitations............................................................................................................................9 New Fixes in the Version A.11.31.02........................................................................
List of Tables 1 New Fixes in the Version A.11.31.02...........................................................................
Serviceguard NFS Toolkit Overview HP Serviceguard Network File Server (NFS) Toolkit uses HP Serviceguard to set up highly available NFS servers. You must set up a Serviceguard cluster before you can set up Highly Available (HA) NFS. Serviceguard NFS Toolkit is a separately purchased set of configuration files and control script, which you can customize for your specific needs. An NFS server is a host that exports its local directories and makes them available for client hosts to mount using NFS.
Announcement Serviceguard NFS Toolkit A.11.31.02 now supports Serviceguard A.11.18 and the Veritas Cluster File System (CFS). In a CFS environment, all nodes in the Serviceguard cluster can concurrently access the files in the CFS. The NFS servers in the cluster can concurrently access and export directories in the CFS. As a result, CFS enables NFS clients (typically located outside the cluster) to concurrently use multiple NFS servers to access files.
Limitations The following lists the limitations of using Serviceguard NFS Toolkit A.11.31.02 with Serviceguard A.11.18 and CFS: • Lock coherency for multiple NFS servers is not supported. NFS file lock coherency is not supported when multiple NFS servers are concurrently accessing a file. Lock operations does not return an error, but lock coherency is not guaranteed. This may cause data corruption or cause an application to hang.
New Fixes in the Version A.11.31.02 Serviceguard NFS Toolkit A.11.31.02 provides the following defect fixes: Table 1 New Fixes in the Version A.11.31.02 DTS Number Problem Description QXCR1000552924 (JAGaf75195) Intermittently, when a Highly Available NFS package is stopped, the rpc.statd process fails to restart, and displays the following message:/usr/sbin/rpc.statd: already startedThe rpc.statd process is killed but not restarted. This causes NFS file locking problems.
Disk and Memory Requirements Installing Serviceguard NFS Toolkit requires 100 KB of disk space. Each configured package requires an additional 100 KB of disk space. Related Documentation Serviceguard NFS Toolkit A.11.31.02, A.11.11.06, and A.11.23.05 Administrator’s Guide HP-UX 11i v1, v2, and v3 Serviceguard NFS Toolkit Support for Cluster File System To view the complete set of HA NFS documentation, see the HP documentation website: http://docs.hp.com/en/ha.
Problem The /etc/rmtab file is not synchronized when an NFS package fails over to the standby node. This is because NFS, by design, does not keep track of the state of the /etc/rmtab file. There may be old entries in the /etc/rmtab file, and hence unreliable in a standard NFS server and client environment. Software Availability in Native Languages The Serviceguard NFS Toolkit is available only in the English language.
*B5140-90034* Printed in the US
