PowerStore: Node may reboot due to I/O bursts during TCP replication

Summary: Due to a software issue, a node may reboot due to I/O bursts during Transmission Control Protocol [TCP] replication.

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Symptoms

A node may reboot and recover if an I/O pattern of the data has a repeating pattern of I/O fluctuating high I/O and then low I/O.

This issue only affects PowerStore appliances installed with PowerstoreOS 3.0.x where TCP Replication is used between both sites.

Cause

A software issue is present when a host on the source is writing to a replicated volume and the I/O pattern is bursty, characterized by high I/O for short periods followed by low I/O, repeating itself.

Resolution

A node affected by this issue reboots and replication should recover.

This issue is fixed in PowerstoreOS 3.2.

Affected Products

PowerStore
Article Properties
Article Number: 000209781
Article Type: Solution
Last Modified: 25 Jul 2025
Version:  3
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