Simple and dirty fix based on written above. Modified /etc.defaults/syslog-ng/patterndb.d/scemd.conf:   filter f_scemd { program(scemd); }; filter f_scemd_sev { level(err..emerg) }; # destination d_scemd { file("/var/log/scemd.log"); }; destination d_scemd { file("/dev/null"); }; log { source(src); filter(f_scemd); filter(f_scemd_sev); destination(d_scemd); };   Edit file and reboot. Result - HDD hybernation works fine now...   My config: DS3617xs, DSM 6.2.3-25426-U2
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