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Generally available: Expanded machine series support for sharing the same Hyperdisk volume between instances:

Generally available: Expanded machine series support for sharing the same Hyperdisk volume between instances:

• C3 bare metal instances support multi-writer mode for Hyperdisk Balanced volumes. • C4 instances created after May 1, 2026, support multi-writer mode for Hyperdisk Balanced, Hyperdisk Extreme, and Hyperdisk Balanced High Availability volumes.

For more information, see Sharing a disk between instances.

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