SNAPMIRROR SYNCHRONOUS EXCEPTION CSS creation failed due to timeout

chinchillaking — Wed, 04 Jun 2025 09:43:19 GMT

Hi All,

customer Sync SnapMirror trigger "CSS creation failed due to timeout" just two times and solved next in-common Snapshot creation operation refer KB https://kb.netapp.com/onprem/ontap/dp/SnapMirror/Synchronous_SnapMirror_css_creation_failed_due_to_timeout

but customer still want to know the root cause because they require "provide answer to management", after review source and destination cluster did not relative workload or latency issue, but the KB did not provide about "common Snapshot creation fail" more information. Any idea or reference information let customer to be relieved of this worry and concern?

topic SNAPMIRROR SYNCHRONOUS EXCEPTION CSS creation failed due to timeout in Data Protection

SNAPMIRROR SYNCHRONOUS EXCEPTION CSS creation failed due to timeout