I've noticed my server running a little slower than normal these last few days, but drives are all passing SMART tests, parity checks fine and the overall hardware seems to be in good health.  Noticed these errors in my log file this evening, not sure how long they have been showing up as I just checked:

 

tail -n 40 -f /var/log/syslog
Dec 2 19:53:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 19:53:01 Hoard kernel: crond[25978]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 19:54:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 19:54:01 Hoard kernel: crond[25992]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 19:55:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 19:55:01 Hoard kernel: crond[26006]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 19:56:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 19:56:01 Hoard kernel: crond[26025]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 19:57:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 19:57:01 Hoard kernel: crond[26038]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 19:58:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 19:58:01 Hoard kernel: crond[26054]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 19:59:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 19:59:01 Hoard kernel: crond[26067]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 20:00:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 20:00:01 Hoard kernel: crond[26083]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 20:01:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 20:01:01 Hoard kernel: crond[26099]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 20:02:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 20:02:01 Hoard kernel: crond[26112]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 20:03:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 20:03:01 Hoard kernel: crond[26124]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 20:04:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 20:04:01 Hoard kernel: crond[26136]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 20:05:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 20:05:01 Hoard kernel: crond[26150]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 20:06:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 20:06:01 Hoard kernel: crond[26166]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 20:07:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 20:07:01 Hoard kernel: crond[26182]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 20:08:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 20:08:01 Hoard kernel: crond[26194]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 20:09:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 20:09:01 Hoard kernel: crond[26229]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 20:09:07 Hoard in.telnetd[26230]: connect from 10.0.10.100 (10.0.10.100)
Dec 2 20:09:09 Hoard login[26231]: ROOT LOGIN on '/dev/pts/0' from '10.0.10.100'
Dec 2 20:10:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 20:10:01 Hoard kernel: crond[26740]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
Dec 2 20:11:01 Hoard crond[1234]: exit status 1 from user root /usr/lib/sa/sa1 2 1 & >/dev/null 
Dec 2 20:11:01 Hoard kernel: crond[27635]: segfault at 4001e51c ip 4001e51c sp bfdc0b98 error 15 in ld-2.11.1.so[4001e000+1000]
[/cpde]

[b]unRAID 5.0.1-rc1[/b] on Intel i5 with 16GB memory (only 8gb is usable I think..)

Attach the syslog.