pfSense

I test the pfsense on HP DL360 G5
CPU: Intel(R) Xeon(R) E5410
Ram: 8GB
Disk controller: P400i (RAID5 4x hdd)

When i removed one disk and few minutes leter add the same disk I see:
Jan 17 08:25:19 kernel: ciss0: logical drive 0 (da0) changed status recovering->OK, spare status 0x0
Jan 17 08:25:19 kernel: ciss0: * State change, logical drive 0, new state=OK
Jan 17 08:06:40 kernel: ciss0: logical drive 0 (da0) changed status ready for recovery->recovering, spare status 0x0
Jan 17 08:06:40 kernel: ciss0: State change, logical drive 0, new state=REBUILDING
Jan 17 08:06:40 kernel: ciss0: logical drive 0 (da0) changed status interim recovery->ready for recovery, spare status 0x0
Jan 17 08:06:40 kernel: ciss0: State change, logical drive 0, new state=NEEDS_REBUILD
Jan 17 08:06:40 kernel: ciss0: Hot-plug drive inserted, Port=1I Box=1 Bay=1
Jan 17 08:04:29 kernel: ciss0: logical drive 0 (da0) changed status OK->interim recovery, spare status 0x0
Jan 17 08:04:29 kernel: ciss0: State change, logical drive 0, new state=REGENING
Jan 17 08:04:29 kernel: ciss0: Physical drive failure, Port=1I Box=1 Bay=1
Jan 17 08:04:29 kernel: ciss0: ** Hot-plug drive removed, Port=1I Box=1 Bay=1

I would to know this -> mail