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CONTAP-489672: Node Restart During Interrupted FlexGroup Directory Restores

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Issue

An ONTAP node can restart unexpectedly when overlapping requests abort the same FlexGroup directory restore operation. This can occur when a restore retry coincides with aggregate relocation, an intercluster LIF interruption, or storage failover.
In an HA pair, the partner node takes over when the affected node restarts. The following error is recorded:
page fault (supervisor read data, page not present) on VA 0x8 cs:rip 0x20:0xffffffff8a55362e rflags 0x10246 in SK process sm_rpl_admin_main
 

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