PowerStore: PowerStoreOS Matrix

PowerStoreOS Matrix

Recommended and LTS versions are set at the third digit. Recommended versions are shown in bold and are highly trusted releases that are evaluated against criteria including run time in the field, number of installations, quality metrics. Long-Term Support (LTS Release Support Customer Summary-Log in as a registered user is required to view article) releases are stable software releases maintained with a regular cadence of updates up to 2 years to ensure application resilience for customers who seek a standard code line. More on Minimum, Recommended, and Latest Code Versions for Dell Technologies products.

Before the PowerStoreOS upgrade see How to Prepare for a PowerStore Non-Disruptive Upgrade and How to download a new version of PowerStoreOS.

For drive firmware upgrades, compatibility, and more, see PowerStore Drive Firmware Upgrades and Frequently Asked Questions.

PowerStore Q: Supported with PowerStoreOS 4.0 or higher, and follow the same guidelines as T models.

PowerStore X: PowerStoreOS 3.5 or higher is not supported.

Table 1: PowerStoreOS releases

Version schema detail

PowerStoreOS supported upgrade paths

Some PowerStoreOS upgrades cannot be done directly and require intermediate upgrade steps. These tables describe the valid upgrade paths.

PowerStore T/Q model-type supported upgrade paths:

Table 2: PowerStore T/Q model-type supported upgrade paths

PowerStore X model-type supported upgrade paths

Table 3: PowerStore X model-type supported upgrade paths

PowerStore X dependencies

Table 4: PowerStore X dependencies

Note 1 - Systems using Support Connectivity (SupportAssist) with Connect Directly should be upgraded to PowerStoreOS 3.6.1.0 (or later).
Important: PowerStore clusters with this configuration must upgrade to PowerStoreOS 3.6.1.0 or higher by December 2024 to maintain connectivity.

Note 2 - This release is a manufacturing only build and is not available for download. It is functionally identical to the web posted version 4.0.0.0-2284811, and only contains a minor change required to accommodate manufacturing test flows.

Note 3 - Systems on PowerStoreOS 3.0.x or 3.2.x intending to upgrade directly to 4.x, see knowledge base article 000228564 Upgrading from PowerStoreOS 3.0/3.2 to 4.0.0.x may fail.

Note 4 - Clusters with three or more appliances intending to upgrade to PowerStoreOS 4.1, see knowledge base article 000286668 After an upgrade, clusters with three or more appliances may remain in async mode.

Note 5 - For clusters running PowerStoreOS 4.1.0.0 that were installed with PowerStoreOS 3.x or older, see knowledge base article 000351171 Upgrade to a higher version may fail with unsuccessful rollback. (Login as registered user is required to view article)
Clusters configured with Metro Volumes that were installed with PowerStoreOS 3.x, see knowledge base article 000328976 Upgrade to v4.1 may result in DU for metro volumes. (Login as registered user is required to view article)

Note 6 - Clusters configured with Metro Volumes that were installed with PowerStoreOS 3.x, see knowledge base article  000328976 Upgrade to v4.1 may result in DU for metro volumes. (Login as registered user is required to view article)
If planning to apply the PowerStore Drive Firmware update, see knowledge base article 000361501 Drive firmware upgrade may lead to an unexpected node reboot. (Login as registered user is required to view article)

Note 7 - If planning to apply the PowerStore Drive Firmware update, see knowledge base article 000361501 Drive firmware upgrade may lead to an unexpected node reboot. (Login as registered user is required to view article)
Clusters with PowerStoreOS 4.0 or below with NVMe expansion enclosures, see knowledge base article 000365743 Upgrade may fail on NVMe Enclosure Firmware. (Login as registered user is required to view article)
Clusters configured with Metro Volumes and using Windows or Linux clustered hosts, see knowledge base article 000377100 Upgrade May Cause Metro Volume Inaccessibility. (Login as registered user is required to view article)
PowerStoreOS versions 4.2.0.0-2563584 and 4.2.0.0-2577950 contain the same features. 4.2.0.0-2577950 is not available for download and is preinstalled on new systems from the factory.

Note 8 - For STIG enabled systems, see knowledge base article 000441131 Upgrade from releases earlier than 4.3 is blocked when STIG is enabled.
For systems with Metro Volumes, see knowledge base article 000458042 v4.4.0.0 Data Path Panic with ibasic_wdog timeout. (Login as registered user is required to view article)

Note 9 - Multi-appliance clusters upgrading to PowerStoreOS 4.4.x or 5.0.x may experience LACP port-channel flapping on bond0, see knowledge base article 000486105 Multi-appliance clusters experience LACP port-channel flapping. (Login as registered user is required to view article)