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What configuration steps should a Portworx Administrator perform to ensure that Portworx can use the S3 Object Store using a custom/3rd party (not signed by public CA) certificate?
Comprehensive and Detailed Explanation From Exact Extract:
When integrating Portworx with an S3 Object Store secured by a custom or third-party certificate that is not signed by a public Certificate Authority (CA), administrators must manually provide the relevant CA certificate to Portworx. This involves creating a Kubernetes secret that contains the custom CA certificate and referencing this secret in the StorageCluster manifest through environment variables. This allows Portworx components to trust the certificate during TLS handshake with the S3 endpoint, avoiding connection failures due to untrusted certificates. Without this step, Portworx cannot securely communicate with the object store. The Portworx security and installation documentation highlights this practice as essential for secure Object Store integration in private or regulated environments where internal or custom PKIs are usedPure Storage Portworx Security Guidesource.
What command should be used to add a new drive to an existing storage cluster?
Comprehensive and Detailed Explanation From Exact Extract:
Adding a new drive to an existing Portworx storage cluster involves bringing the physical device online for Portworx management. The correct command for this is pxctl service drive add -drive /dev/dm-1 -operation start. This command instructs Portworx to recognize and incorporate the new drive specified by the device path (e.g., /dev/dm-1) into its storage pool. After this operation, Portworx can use the drive for provisioning volumes or expanding capacity. The -operation start flag signals Portworx to initialize and prepare the drive for use. This method is part of Portworx's dynamic storage management capabilities, allowing flexible scaling of storage resources without downtime. Official CLI documentation outlines this command as the supported approach to adding drives to running clusters safely and efficientlyPure Storage Portworx CLI Guidesource.
What information is included in the Portworx diagnostics bundle (diags)?
Comprehensive and Detailed Explanation From Exact Extract:
The Portworx diagnostics bundle, known as ''diags,'' aggregates comprehensive diagnostic data for troubleshooting. This includes Portworx journal logs, which record detailed system and service events essential for identifying errors or malfunctions. Additionally, the bundle contains outputs from key CLI commands such as pxctl status and pxctl volume list that provide snapshots of the cluster's health, volume states, and configuration at the time of collection. Basic operating system information, including kernel version, disk hardware details, and network interfaces, is also captured to understand the underlying environment. Together, these components equip Portworx support and administrators with the contextual data needed for effective root cause analysis and faster issue resolution. The official Portworx support documentation recommends collecting and submitting this bundle for all significant troubleshooting cases as it expedites problem diagnosis and resolutionPure Storage Portworx Support Guidesource.
An administrator wants to check the size, availability, and usage of all pools in the cluster.
Which command should the administrator use?
Comprehensive and Detailed Explanation From Exact Extract:
To view detailed information about storage pools in a Portworx cluster---including size, availability, usage, and health---administrators should use the command pxctl service pool show. This CLI command provides a comprehensive overview of all storage pools configured on cluster nodes, including pool IDs, device names, pool sizes, free space, and status. It helps administrators monitor resource utilization, detect degraded pools, and plan capacity expansions. While kubectl get storagecluster shows the overall cluster CRD status and pxctl cluster provision-status shows provisioning status, neither provides detailed pool-level insights. Portworx's operational documentation recommends pxctl service pool show as the definitive command for monitoring pool resources and ensuring storage health across the clusterPure Storage Portworx CLI Guidesource.
What Kubernetes resource allows visibility of the Parent Volume and the snapshot ID?
Comprehensive and Detailed Explanation From Exact Extract:
The VolumeSnapshot Kubernetes resource provides metadata about snapshots of Persistent Volumes, including references to the parent volume and snapshot IDs. It represents a snapshot request and maintains information linking it to the source PVC and the actual snapshot data. This resource enables Kubernetes-native management of volume snapshots, allowing users to create, delete, and list snapshots declaratively. Portworx integrates with Kubernetes snapshot APIs and populates VolumeSnapshot resources with detailed information necessary for managing snapshot lifecycle and restoring data. The Kubernetes and Portworx documentation highlight VolumeSnapshot as the primary interface to monitor and interact with snapshot metadata, crucial for backup, restore, and disaster recovery workflows in containerized environmentsPure Storage Portworx Snapshot API Guidesource.
