db2057 has crashed:
03:47 <+icinga-wm> PROBLEM - mysqld processes on db2057 is CRITICAL: PROCS CRITICAL: 0 processes with command name mysqld 03:47 <+icinga-wm> PROBLEM - Disk space on db2057 is CRITICAL: DISK CRITICAL - /srv is not accessible: Input/output error 03:47 <+icinga-wm> PROBLEM - Check systemd state on db2057 is CRITICAL: CRITICAL - degraded: The system is operational but one or more units failed. 03:47 <+icinga-wm> PROBLEM - MariaDB disk space on db2057 is CRITICAL: DISK CRITICAL - /srv is not accessible: Input/output error 03:47 <+icinga-wm> PROBLEM - MariaDB Slave SQL: s3 on db2057 is CRITICAL: CRITICAL slave_sql_state could not connect 03:48 <+icinga-wm> PROBLEM - MariaDB Slave IO: s3 on db2057 is CRITICAL: CRITICAL slave_io_state could not connect
The storage crashed:
root@db2057:~# dmesg -bash: /bin/dmesg: Input/output error
/system1/log1/record5 Targets Properties number=5 severity=Critical date=12/19/2018 time=03:20 description=Drive Array Controller Failure (Slot 0) Verbs