Symantec HP-UX manual Command failures, Performance issues, If this error message displays

Page 64

66

Storage Foundation Cluster File System problems

If this error message displays:

mount: slow

The node may be in the process of joining the cluster.

If you try to mount a file system that is already mounted without –o cluster option (that is, not in shared mode) on another cluster node,

#mount -F vxfs /dev/vx/dsk/share/vol01 /vol01

The following error message displays:

vxfs mount: /dev/vx/dsk/share/vol01 is already mounted, /vol01 is busy, allowable number of mount points exceeded, or cluster reservation failed for the volume

Command failures

Manual pages not accessible with the man command. Set the MANPATH environment variable as listed under “Setting PATH and MANPATH environment variables” on page 18.

The mount, fsck, and mkfs utilities reserve a shared volume. They fail on volumes that are in use. Be careful when accessing shared volumes with other utilities such as dd, it is possible for these commands to destroy data on the disk.

Running some commands, such as vxupgrade -n 7/vol02, can generate the following error message:

vxfs vxupgrade: ERROR: not primary in a cluster file

system

This means that you can run this command only on the primary, that is, the system that mounted this file system first.

Performance issues

Quick I/O File system performance is adversely affected if a cluster file system is mounted with the qio option enabled and Quick I/O is licensed, but the file system is not used for Quick I/O files. Because qio is enabled by default, if you do not intend to use a shared file system for Quick I/O, explicitly specify the noqio option when mounting.

Image 64
Contents HP-UX Sfcfs Licensing and registration Technical supportPage Contents Chapter Upgrading the product Adding a node to a clusterInstalling and configuring the product Hardware overview Shared storage Fibre channel switchCluster platforms Packages installed with Sfcfs only Software componentsPackage Contents Packages Contents Optional packages for Sfcfs and Sfcfs HARequired HP-UX patches PHKL32272HP-UX Patch ID Description PHKL32430Release Notes PreinstallationProduct licensing Setting Path and Manpath environment variables Secure communicationVeritas Enterprise Administrator PrerequisitesRequirements Alternatively, remove the file /sbin/init.d/vmsa-serverInstalling the product If you want to use rsh you must specify on the command line Enter one or more system names to install SfcfsEnter 1, 2 or 3 to be installed on all systems Change directory to /dvdromConfiguring the Components Do you want to add another user to the cluster? y,n,q y Using the log files Installation log fileResponse file Summary fileVerifying the configuration files Low Latency Transport configuration filesEtc/llthosts Etc/llttabOutput resembles Checking Low Latency Transport operationLog into system02 # lltstat -p Checking Group Membership and Atomic Broadcast operation Group Membership and Atomic Broadcast configuration filesEtc/gabtab Output for an Sfcfs HA installation resembles Enter the following command on any systemsChecking cluster operation See the hastatus1M manualVerifying the configuration files #System Attribute Value Configuring VCS Verifying agent configurationSynchronizing time on Cluster File Systems Typical VCS configuration file for Sfcfs file resembles Main.cf fileVCS application failover services Sfcfs HA OnlyVCS application failover services Upgrading the product Preparing to upgrade the product Planning the upgradeUpgrade paths Complete the following tasks in advance of upgradingMP1 Phased upgrade Upgrade OverviewFull upgrade Upgrading from 3.5 to Change to the top-level directory on the disc# hastart Remove VRTSweb Replace it withRun through , , , and on rest of the nodes to be upgraded See the Veritas Cluster Server Installation Guide Run the following command on all the nodes to start VCS Upgrading from 4.1 to Install all the prerequisite patches and reboot the machines Etc/VRTSvcs/conf/config/main.cf file Full upgrade Etc/VRTSvcs/conf/config/main.cf file Upgrading the disk layout versions # umount /mnt1 Upgrading the disk layout versions Adding and removing a node Enter y to install Sfcfs on these systems Enter the system name of the new node to install SfcfsAdding a node to a cluster Change to the Sfcfs directoryEnter 1 or 2 to be installed on all systems Start VxVM on the system that has been addedConfiguring Sfcfs and CVM agents on the new node Run the following commandOpen the VCS configuration for writing Write the new VCS configuration to diskAdd shared disk groups to the cluster configuration Create a /mnt on system03 and run the following commandsRemoving a node from a cluster Put the CVM resources back online, in the following order# rm /etc/vxfentab # rm /etc/vxfendg # ./uninstallsfcfs Removing a node from a cluster Enter the system names to uninstall Sfcfs Enter y to uninstall SfcfsUninstalling the product Installation issues Incorrect permissions for root on remote systemInaccessible system Storage Foundation Cluster File System problemsResource temporarily unavailable Unmount failures Mount failuresCommand failures Performance issuesIf this error message displays Following error message displaysHigh availability issues Network partition/jeopardyLow memory

HP-UX specifications

Symantec HP-UX is a comprehensive security solution engineered to protect the HP-UX operating system, a variant of the UNIX OS developed by Hewlett-Packard (HP). As a robust enterprise environment, HP-UX is widely used in mission-critical applications, particularly in industries such as finance, telecommunications, and manufacturing. Symantec’s integration with HP-UX enhances security, providing essential features that cater to the needs of large organizations.

One of the main features of Symantec HP-UX is its advanced threat protection capabilities. It employs a multi-layered approach to security, utilizing signature-based detection, behavior-based analysis, and heuristics to identify and mitigate known and unknown threats. This real-time protection minimizes the risk of malware, ransomware, and other cyber threats that can compromise sensitive data and disrupt business operations.

In addition to threat protection, Symantec HP-UX includes robust data loss prevention (DLP) capabilities. DLP technology helps organizations ensure that their confidential data remains secure by preventing unauthorized access and exfiltration. This feature is particularly important for compliance with regulatory requirements such as GDPR and HIPAA, as it aids in safeguarding customer information.

Another significant characteristic of Symantec HP-UX is its scalability. Designed to handle the demands of enterprise environments, the solution can be easily integrated with existing IT infrastructure while adapting to growing workloads. This functionality is essential for organizations that require flexible security measures to accommodate expansion or changes in business processes.

Security management and reporting are also key components of Symantec HP-UX. The solution provides centralized management tools that allow administrators to monitor security status, deploy updates, and manage policy across multiple systems from a single interface. These tools enhance visibility into security incidents and enable organizations to respond promptly to potential threats.

Moreover, Symantec HP-UX offers automated updates and patch management. Regular updates are crucial for maintaining a secure environment, and the solution ensures that systems are protected against the latest vulnerabilities without requiring extensive manual intervention.

In summary, Symantec HP-UX is a powerful security solution designed for the HP-UX operating system. Its main features include advanced threat protection, data loss prevention, scalability, centralized management, and automated updates. These characteristics make it a vital tool for organizations aiming to protect their data and maintain a secure operational environment in the face of evolving cyber threats.