The only change in mariadb.cnf is to remove a node from wsrep_cluster_address, restarted mariadb.service and InnoDB crashes, another service restart and all is healthy again. Not a lot of changes, running IST on both restarts.
LOGS:
{{
2025-01-22 14:20:46 0 [Note] WSREP: Shifting PRIMARY -> JOINER (TO: 221932521)
2025-01-22 14:20:46 1 [Note] WSREP: Requesting state transfer: success, donor: 1
WSREP_SST: [INFO] 'xtrabackup_ist' received from donor: Running IST (20250122 14:20:47.318)
(...)
2025-01-22 14:20:47 3 [Note] WSREP: SST received
2025-01-22 14:20:47 3 [Note] WSREP: Server status change joiner -> initializing
2025-01-22 14:20:47 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
2025-01-22 14:20:47 0 [Note] InnoDB: Number of transaction pools: 1
2025-01-22 14:20:47 0 [Note] InnoDB: Using crc32 + pclmulqdq instructions
2025-01-22 14:20:47 0 [Note] InnoDB: Initializing buffer pool, total size = 2.864GiB, chunk size = 45.828MiB
2025-01-22 14:20:47 0 [Note] InnoDB: Initialized memory pressure event listener
2025-01-22 14:20:47 0 [Note] InnoDB: Completed initialization of buffer pool
2025-01-22 14:20:47 0 [Note] InnoDB: File system buffers for log disabled (block size=512 bytes)
2025-01-22 14:20:47 0 [Warning] InnoDB: Retry attempts for reading partial data failed.
2025-01-22 14:20:47 0 [ERROR] InnoDB: Failed to read log at 40964608: I/O error
2025-01-22 14:20:47 0 [ERROR] InnoDB: Plugin initialization aborted with error Generic error
2025-01-22 14:20:47 0 [Note] InnoDB: Starting shutdown...
2025-01-22 14:20:47 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2025-01-22 14:20:47 0 [Note] Plugin 'FEEDBACK' is disabled.
2025-01-22 14:20:47 0 [ERROR] Unknown/unsupported storage engine: InnoDB
2025-01-22 14:20:47 0 [ERROR] Aborting
2025-01-22 14:20:47 3 [ERROR] WSREP: sst_received failed: State wait was interrupted
2025-01-22 14:20:47 1 [ERROR] WSREP: Application received wrong state:
Received: 00000000-0000-0000-0000-000000000000
Required: 15a3cde4-8d25-11ef-9e70-87f74cf82f0b
2025-01-22 14:20:47 1 [ERROR] WSREP: Application state transfer failed. This is unrecoverable condition, restart required.
2025-01-22 14:21:23 0 [Note] Starting MariaDB 11.4.3-MariaDB-ubu2204-log source revision 5ab81ffe0097a22a774957df28c5223cf0201de3 server_uid 2kvendvuwn01ONhSSO3NiOJPVy
M= as process 1343190
2025-01-22 14:21:23 0 [Note] WSREP: Loading provider /usr/lib/libgalera_smm.so initial position: 15a3cde4-8d25-11ef-9e70-87f74cf82f0b:221931435
2025-01-22 14:21:23 0 [Note] WSREP: wsrep_load(): loading provider library '/usr/lib/libgalera_smm.so'
2025-01-22 14:21:23 0 [Note] WSREP: wsrep_load(): Galera 26.4.19(r5db72dad) by Codership Oy <info@codership.com> loaded successfully.
2025-01-22 14:21:23 0 [Note] WSREP: Initializing allowlist service v1
2025-01-22 14:21:23 0 [Note] WSREP: Initializing event service v1
2025-01-22 14:21:23 0 [Note] WSREP: Resolved symbol 'wsrep_node_isolation_mode_set_v1'
2025-01-22 14:21:23 0 [Note] WSREP: CRC-32C: using 64-bit x86 acceleration.
2025-01-22 14:21:23 0 [Note] WSREP: Found saved state: 00000000-0000-0000-0000-000000000000:-1, safe_to_bootstrap: 0
}}
If you require more logs please let me know.
I set minor priority because on subsequent restart all is healthy. However my automation workflow fails 
Thanks in advance.
vmunoz Please provide full error log and node configuration.