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On the following HPE Smart Array Gen8, Gen9, SR Gen10, SR Gen10 Plus, and SR Gen11 Controllers configured on SSD drives, an "Inconsistent Stripe" may occur for a RAID 1 or RAID 10 logical drive after an ungraceful shutdown.This issue occurs because storage controller SmartPath is enabled by default when the RAID volume is created on SSD drives. SmartPath is enabled to achieve maximum performance on SSD drives. In this configuration, controller write cache is disabled. If the system is shut down ungracefully, then data may not be written on one of the member drives in RAID 1 and RAID 10.When this issue occurs on systems running Microsoft Windows, if the HPE Smart Array SAS/SATA Event Notification Service is loaded, and the event notification is enabled, this may be reported in the Windows System Event logs after the surface scan detects this condition.IMPORTANT: Inappropriate actions such as an improper shutdown may result in data loss.NOTE: By default, the controller’s write cache is enabled when RAID is configured on the HDD drives. This issue may also occur if the controller’s write cache is disabled and there is an ungraceful server shutdown. For SSD drives, you can manually disable the SmartPath and enable the controller write cache if there are any concerns.
All HPE Smart Array Gen8, Gen9, SR Gen10, SR Gen10 Plus, and SR Gen11 Controllers
The following can be completed to minimize the chance of an Inconsistent Stripe:Install an Uninterruptible Power Supply (UPS), and do not shut down ungracefully.Disable SmartPath and enable write cache on the logical drive. See theSmart Storage Administrator User Guidefor more details on how to disable SmartPath and enable Controller write cache.Revision HistoryDocument VersionRelease DateDetails2February 19, 2025SR Gen11 Controllers were added throughout the document, and the Note in the Description section was revised regarding write cache.1November 30, 2022Original Document Release.
Operating Systems Affected:Not Applicable
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