Unable to read or write files to a FlexCache Origin volume

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Visibility:: Public

Votes:: 0

Category:: ontap-9

Specialty:: nas

Last Updated:

Applies to

FlexCache
CIFS
NFS

Issue

Clients hang when attempting to read or write data to origin volume while cache volume appear to be unreachable.
Error 0x8007054f: internal error occurred received when copying files.
Errors in MGWD indicate that the 'FlexCache refresh' job is stuck;

Tue Aug 27 2024 00:19:46 -05:00 [kern_mgwd:info:2712] 0x8435c5400: 0: INFO: tables::flexcache_refresh: create_imp:src/tables/nflexcache/nflexcache_const_refresh.cc:66 D-blade refresh req for, vserver: xxxxxxx, msid: xxxxx, const_msid: xxxxxxx, is_origin: 0

Tue Aug 27 2024 00:19:46 -05:00 [kern_mgwd:info:2712] 0x8435c5400: 0: INFO: tables::flexcache_utils: is_dblade_refresh_allowed:src/tables/nflexcache/nflexcache_utils.cc:2814 soInProgress - 0, sbInProgress - 0, is_allowed - 1

Tue Aug 27 2024 00:19:46 -05:00 [kern_mgwd:info:2712] 0x8435c5400: 0: INFO: tables::flexcache_refresh: nflexcache_refresh:src/tables/nflexcache/nflexcache_const_refresh.cc:338 Call Refresh XC, peer_clus: xxxxxxxx, vserver: svm1, volume: , is_origin: 0.

sktrace logs indicate FlexCache returned error 'no vol';

2024-08-27T04:03:47Z 33263441082532463    [14:0] WAFLREMOTE_EXCEPTION:  Incrementing error counter WRC_REVOKE_MANAGER_FAIL. status=3001