forestdb_dump:
2022-07-04T18:32:30.545+00:00 [ERRO][FDB] Failed to read the superblock: incorrect block marker (marker: 0, SB No.: 0). Note: this message might be a false alarm if upgrade is running.
2022-07-04T18:32:30.545+00:00 [ERRO][FDB] Failed to read the superblock: incorrect block marker (marker: 0, SB No.: 1). Note: this message might be a false alarm if upgrade is running.
2022-07-04T18:32:30.546+00:00 [ERRO][FDB] Failed to read the superblock: incorrect block marker (marker: 38, SB No.: 2). Note: this message might be a false alarm if upgrade is running.
2022-07-04T18:32:30.546+00:00 [ERRO][FDB] Failed to read the superblock: incorrect block marker (marker: 0, SB No.: 3). Note: this message might be a false alarm if upgrade is running.
2022-07-04T18:32:30.546+00:00 [ERRO][FDB] Crash Detected: 2064 non-block aligned bytes discarded from a database file '/opt/couchbase/var/lib/couchbase/crash/9662c678-598a-4096-e71bbdab-5c747394.dmp'
2022-07-04T18:32:30.546+00:00 [ERRO][FDB] Crash Detected: Last Block not DBHEADER 0 in a database file '/opt/couchbase/var/lib/couchbase/crash/9662c678-598a-4096-e71bbdab-5c747394.dmp'
2022-07-04T18:32:30.546+00:00 [ERRO][FDB] Error in READ on a database file '/opt/couchbase/var/lib/couchbase/crash/9662c678-598a-4096-e71bbdab-5c747394.dmp', errno = 2: 'No such file or directory'
Unable to open /opt/couchbase/var/lib/couchbase/crash/9662c678-598a-4096-e71bbdab-5c747394.dmp