FreeNAS unable to open ATA device - should I worry?

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ethereal

ethereal

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2 days ago i got a single - critical system alert - Device: /dev/ada1, unable to open ATA device

I can see the disc in the view discs tab should i be worried by this single event ?

is there anything i could do to ensure everything is ok ?

thank you
 
Jailer

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What is the output of zpool status ?
 
ethereal

ethereal

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Code:
########## ZPool status report summary for all pools ##########

+--------------+--------+------+------+------+----+--------+------+-----+
|Pool Name	 |Status  |Read  |Write |Cksum |Used|Scrub   |Scrub |Last |
|			  |		|Errors|Errors|Errors|	|Repaired|Errors|Scrub|
|			  |		|	  |	  |	  |	|Bytes   |	  |Age  |
+--------------+--------+------+------+------+----+--------+------+-----+
|freenas-boot  |ONLINE  |	 0|	 0|	 0| 25%|	   0|	 0|	2|
|Storage	  !|ONLINE  |	 0|	 0|	 0| 91%|	   0|	 0|	7|
|Working	  ?|ONLINE  |	 0|	 0|	 0| 82%|	 N/A|   N/A|  N/A|
+--------------+--------+------+------+------+----+--------+------+-----+



########## ZPool status report for freenas-boot ##########

  pool: freenas-boot
 state: ONLINE
  scan: scrub repaired 0 in 0 days 00:01:10 with 0 errors on Fri Jun 29 03:46:10 2018
config:

   NAME		STATE	 READ WRITE CKSUM
   freenas-boot  ONLINE	   0	 0	 0
	 ada2p2	ONLINE	   0	 0	 0

errors: No known data errors



########## ZPool status report for Storage ##########

  pool: Storage
 state: ONLINE
  scan: scrub repaired 0 in 0 days 10:49:28 with 0 errors on Sun Jun 24 10:50:29 2018
config:

   NAME											STATE	 READ WRITE CKSUM
   Storage										 ONLINE	   0	 0	 0
	 raidz2-0									  ONLINE	   0	 0	 0
	   gptid/c82e64d9-08c8-11e6-af21-002590d51bcc  ONLINE	   0	 0	 0
	   gptid/c900ab50-08c8-11e6-af21-002590d51bcc  ONLINE	   0	 0	 0
	   gptid/c9ce79d8-08c8-11e6-af21-002590d51bcc  ONLINE	   0	 0	 0
	   gptid/ca8cde35-08c8-11e6-af21-002590d51bcc  ONLINE	   0	 0	 0
	   gptid/cb518bbb-08c8-11e6-af21-002590d51bcc  ONLINE	   0	 0	 0
	   gptid/cc0ff7c7-08c8-11e6-af21-002590d51bcc  ONLINE	   0	 0	 0

errors: No known data errors



########## ZPool status report for Working ##########

  pool: Working
 state: ONLINE
  scan: resilvered 4K in 0 days 00:00:00 with 0 errors on Sat Jun 30 21:11:04 2018
config:

   NAME											STATE	 READ WRITE CKSUM
   Working										 ONLINE	   0	 0	 0
	 raidz2-0									  ONLINE	   0	 0	 0
	   gptid/c017dfa0-3db1-11e8-8175-002590d51bcc  ONLINE	   0	 0	 0
	   gptid/230564fa-7882-11e8-b523-002590d51bcc  ONLINE	   0	 0	 0
	   gptid/5a407b9e-2d3f-11e7-a1b5-002590d51bcc  ONLINE	   0	 0	 0
	   gptid/5b09f1bc-2d3f-11e7-a1b5-002590d51bcc  ONLINE	   0	 0	 0

errors: No known data errors
 
ethereal

ethereal

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looks like the working pool hasn't finished scrubbing - seems to be stuck

pool: Working
state: ONLINE
scan: resilvered 4K in 0 days 00:00:00 with 0 errors on Sat Jun 30 21:11:04 2018
 
BigDave

BigDave

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I'm assuming the ada1 drive is connected to one of the motherboard SATA ports,
Look up that drive's serial number and record it's SATA port location.
You need to look at data cable, power cable, and SATA port if you want answers.
I personally would not panic, just would look hard at the issue if it re-occurs.
 
Jailer

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What about the output from smartctl -a /dev/ada1 ?
 
ethereal

ethereal

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Code:
Last login: Sun Jul  1 12:06:56 2018 from 192.168.1.100
FreeBSD 11.1-STABLE (FreeNAS.amd64) #0 r321665+e0c4ca60dfc(freenas/11.1-stable): Wed
 EDT 2018

		FreeNAS (c) 2009-2017, The FreeNAS Development Team
		All rights reserved.
		FreeNAS is released under the modified BSD license.

		For more information, documentation, help or support, go here:
		http://freenas.org
Welcome to FreeNAS

Warning: settings changed through the CLI are not written to
the configuration database and will be reset on reboot.

root@freenas:~ # smartctl -a /dev/ada1
smartctl 6.6 2017-11-05 r4594 [FreeBSD 11.1-STABLE amd64] (local build)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Device Model:	 WDC WD80EZAZ-11TDBA0
Serial Number:	1SGMVWBZ
LU WWN Device Id: 5 000cca 26bc907f7
Firmware Version: 83.H0A83
User Capacity:	8,001,563,222,016 bytes [8.00 TB]
Sector Sizes:	 512 bytes logical, 4096 bytes physical
Rotation Rate:	5400 rpm
Form Factor:	  3.5 inches
Device is:		Not in smartctl database [for details use: -P showall]
ATA Version is:   ACS-2, ATA8-ACS T13/1699-D revision 4
SATA Version is:  SATA 3.2, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is:	Sun Jul  1 12:09:27 2018 EDT
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status:  (0x82) Offline data collection activity
										was completed without error.
										Auto Offline Data Collection: Enabled.
Self-test execution status:	  (   0) The previous self-test routine completed
										without error or no self-test has ever
										been run.
Total time to complete Offline
data collection:				(   93) seconds.
Offline data collection
capabilities:					(0x5b) SMART execute Offline immediate.
										Auto Offline data collection on/off support.
										Suspend Offline collection upon new
										command.
										Offline surface scan supported.
										Self-test supported.
										No Conveyance Self-test supported.
										Selective Self-test supported.
SMART capabilities:			(0x0003) Saves SMART data before entering
										power-saving mode.
										Supports SMART auto save timer.
Error logging capability:		(0x01) Error logging supported.
										General Purpose Logging supported.
Short self-test routine
recommended polling time:		(   2) minutes.
Extended self-test routine
recommended polling time:		( 972) minutes.
SCT capabilities:			  (0x003d) SCT Status supported.
										SCT Error Recovery Control supported.
										SCT Feature Control supported.
										SCT Data Table supported.

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME		  FLAG	 VALUE WORST THRESH TYPE	  UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate	 0x000b   100   100   016	Pre-fail  Always	   -	   0
  2 Throughput_Performance  0x0004   129   129   054	Old_age   Offline	  -	   112
  3 Spin_Up_Time			0x0007   146   146   024	Pre-fail  Always	   -	   451 (Average 453)
  4 Start_Stop_Count		0x0012   100   100   000	Old_age   Always	   -	   21
  5 Reallocated_Sector_Ct   0x0033   100   100   005	Pre-fail  Always	   -	   0
  7 Seek_Error_Rate		 0x000a   100   100   067	Old_age   Always	   -	   0
  8 Seek_Time_Performance   0x0004   128   128   020	Old_age   Offline	  -	   18
  9 Power_On_Hours		  0x0012   100   100   000	Old_age   Always	   -	   2080
 10 Spin_Retry_Count		0x0012   100   100   060	Old_age   Always	   -	   0
 12 Power_Cycle_Count	   0x0032   100   100   000	Old_age   Always	   -	   21
 22 Unknown_Attribute	   0x0023   100   100   025	Pre-fail  Always	   -	   100
192 Power-Off_Retract_Count 0x0032   100   100   000	Old_age   Always	   -	   130
193 Load_Cycle_Count		0x0012   100   100   000	Old_age   Always	   -	   130
194 Temperature_Celsius	 0x0002   196   196   000	Old_age   Always	   -	   33 (Min/Max 15/51)
196 Reallocated_Event_Count 0x0032   100   100   000	Old_age   Always	   -	   0
197 Current_Pending_Sector  0x0022   100   100   000	Old_age   Always	   -	   0
198 Offline_Uncorrectable   0x0008   100   100   000	Old_age   Offline	  -	   0
199 UDMA_CRC_Error_Count	0x000a   200   200   000	Old_age   Always	   -	   0

SMART Error Log Version: 1
No Errors Logged

SMART Self-test log structure revision number 1
Num  Test_Description	Status				  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Short offline	   Completed without error	   00%	  2069		 -
# 2  Short offline	   Completed without error	   00%	  2045		 -
# 3  Short offline	   Completed without error	   00%	  2022		 -
# 4  Short offline	   Completed without error	   00%	  1998		 -
# 5  Extended offline	Completed without error	   00%	  1990		 -
# 6  Short offline	   Completed without error	   00%	  1974		 -
# 7  Short offline	   Completed without error	   00%	  1950		 -
# 8  Short offline	   Completed without error	   00%	  1926		 -
# 9  Short offline	   Completed without error	   00%	  1926		 -
#10  Short offline	   Completed without error	   00%	  1902		 -
#11  Short offline	   Completed without error	   00%	  1902		 -
#12  Short offline	   Completed without error	   00%	  1878		 -
#13  Short offline	   Completed without error	   00%	  1854		 -
#14  Short offline	   Completed without error	   00%	  1854		 -
#15  Short offline	   Completed without error	   00%	  1830		 -
#16  Short offline	   Completed without error	   00%	  1830		 -
#17  Extended offline	Completed without error	   00%	  1822		 -
#18  Short offline	   Completed without error	   00%	  1806		 -
#19  Short offline	   Completed without error	   00%	  1806		 -
#20  Short offline	   Completed without error	   00%	  1782		 -
#21  Short offline	   Completed without error	   00%	  1758		 -

SMART Selective self-test log data structure revision number 1
 SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
	1		0		0  Not_testing
	2		0		0  Not_testing
	3		0		0  Not_testing
	4		0		0  Not_testing
	5		0		0  Not_testing
Selective self-test flags (0x0):
  After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.

root@freenas:~ #
 
Jailer

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Hardware all looks good. Like @BigDave said start looking at cables and such. Might not hurt to replace the SATA cable that goes to ada1.
 
ethereal

ethereal

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should i be worried that the scrub failed ?
 
Jailer

Jailer

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What makes you think it failed?
 
ethereal

ethereal

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pool: Working
state: ONLINE
scan: resilvered 4K in 0 days 00:00:00 with 0 errors on Sat Jun 30 21:11:04 2018

it started yesterday and it's only at 4k - should be all done by now
 
Jailer

Jailer

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It is done, that date shows the last scrub/resilver. It repaired 4k which would be consistent with a momentary loss of connection with one drive like you experienced.
 
ethereal

ethereal

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should i run a scub?
 
Jailer

Jailer

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It wouldn't hurt.
 
ethereal

ethereal

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scrub running now
 
ethereal

ethereal

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the scrub finished with everything ok
 
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