After passed three times MEMtest86+ without error, I replaced ada4 SATA cable then alert warning go GREEN. In addition, "zpool status" showed no CKSUM error.
Code:
[root@freenas ~]# zpool status
pool: Punya_NAS
state: ONLINE
status: The pool is formatted using a legacy on-disk format. The pool can
still be used, but some features are unavailable.
action: Upgrade the pool using 'zpool upgrade'. Once this is done, the
pool will no longer be accessible on software that does not support feature
flags.
scan: resilvered 11.9G in 0h7m with 0 errors on Thu Jan 30 03:28:26 2014
config:
NAME STATE READ WRITE CKSUM
Punya_NAS ONLINE 0 0 0
raidz2-0 ONLINE 0 0 0
gptid/5321c047-d64b-11e2-9807-0015173e3e75 ONLINE 0 0 0
gptid/537be8a4-d64b-11e2-9807-0015173e3e75 ONLINE 0 0 0
gptid/53d7a95a-d64b-11e2-9807-0015173e3e75 ONLINE 0 0 0
gptid/54326bf4-d64b-11e2-9807-0015173e3e75 ONLINE 0 0 0
gptid/548c8437-d64b-11e2-9807-0015173e3e75 ONLINE 0 0 0
gptid/5566d4bd-8921-11e3-b212-0015173e3e75 ONLINE 0 0 0
gptid/5543a681-d64b-11e2-9807-0015173e3e75 ONLINE 0 0 0
gptid/559fdcf2-d64b-11e2-9807-0015173e3e75 ONLINE 0 0 0
errors: No known data errors
When I did "smartctl -a /dev/ada4", I noticed some UDMA error.
Code:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0
3 Spin_Up_Time 0x0027 182 178 021 Pre-fail Always - 5900
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 51
5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0
7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0
9 Power_On_Hours 0x0032 100 100 000 Old_age Always - 319
10 Spin_Retry_Count 0x0032 100 253 000 Old_age Always - 0
11 Calibration_Retry_Count 0x0032 100 253 000 Old_age Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 51
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 12
193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 38
194 Temperature_Celsius 0x0022 112 106 000 Old_age Always - 38
196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0
197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0030 100 253 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x0032 200 193 000 Old_age Always - 3464
200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age Offline - 0
SMART Error Log Version: 1
No Errors Logged
Anyway, I think, my problems were solved. Thanks to
Dusan and
SmallGuy a lot.