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Date:      Tue, 5 May 2020 11:17:14 +0200
From:      Christoph Kukulies <kuku@kukulies.org>
To:        Polytropon <freebsd@edvax.de>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: g_vfs_done() ada2p1  error = 5
Message-ID:  <E652115F-96EC-4B94-BA49-AB7356161D5C@kukulies.org>
In-Reply-To: <20200505105033.ff69a110.freebsd@edvax.de>
References:  <2ED6F7F2-0F70-49F0-AF9F-E6E4CE11B2C3@kukulies.org> <20200505105033.ff69a110.freebsd@edvax.de>

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> Am 05.05.2020 um 10:50 schrieb Polytropon <freebsd@edvax.de>:
>=20
> On Tue, 5 May 2020 10:42:56 +0200, Christoph Kukulies wrote:
>> I have a GPT partitioned SSD here which was serving as a boot
>> volume of my previously installed
>> FreeBSD 8.0 and now, as I have 12.1 installed and booting from
>> that I have mounted this SD into=20
>> my running system.
>>=20
>> In my system log I=E2=80=99m seeing the following error message (and =
when
>> I try to mount that partition, I=E2=80=99m getting an
>> INPUT/OUTPUT error also):
>>=20
>> g_vfs_done():ada2p1[READ(offest=3D262144, length=3D8192)]error =3D 5
>>=20
>> ada2 at ahcich2 bus 0 scbus2 target 0 lun 0
>> [...]
>>=20
>> What does this error message mean? How do I get rid of it?
>=20
> Could it be that the SSD has reached the end of its lifetime?


Hope not. Was trusting that FreeBSD takes care of saving SSDs from =
degrading over time.


> I've seen similar messages on regular hard disks which were
> about to die... Can you check the SSD with smartctl and see
> if there is something suspicious?
>=20


The output of smartctl is overwhelming :) Happen to know what I should =
look for?


smartctl 7.1 2019-12-30 r5022 [FreeBSD 12.1-RELEASE amd64] (local build)
Copyright (C) 2002-19, Bruce Allen, Christian Franke, =
www.smartmontools.org

=3D=3D=3D START OF INFORMATION SECTION =3D=3D=3D
Model Family:     Samsung based SSDs
Device Model:     Samsung SSD 840 EVO 120GB
Serial Number:    S1D5NSAD978704E
LU WWN Device Id: 5 002538 8a002c09c
Firmware Version: EXT0AB0Q
User Capacity:    120,034,123,776 bytes [120 GB]
Sector Size:      512 bytes logical/physical
Rotation Rate:    Solid State Device
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ACS-2, ATA8-ACS T13/1699-D revision 4c
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is:    Tue May  5 11:11:45 2020 CEST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

=3D=3D=3D START OF READ SMART DATA SECTION =3D=3D=3D
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status:  (0x00)	Offline data collection activity
					was never started.
					Auto Offline Data Collection: =
Disabled.
Self-test execution status:      (   0)	The previous self-test routine =
completed
					without error or no self-test =
has ever=20
					been run.
Total time to complete Offline=20
data collection: 		( 4200) seconds.
Offline data collection
capabilities: 			 (0x53) SMART execute Offline immediate.
					Auto Offline data collection =
on/off support.
					Suspend Offline collection upon =
new
					command.
					No 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=20
recommended polling time: 	 (   2) minutes.
Extended self-test routine
recommended polling time: 	 (  70) 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: 1
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      =
UPDATED  WHEN_FAILED RAW_VALUE
  5 Reallocated_Sector_Ct   0x0033   100   100   010    Pre-fail  Always =
      -       0
  9 Power_On_Hours          0x0032   091   091   000    Old_age   Always =
      -       42753
 12 Power_Cycle_Count       0x0032   099   099   000    Old_age   Always =
      -       69
177 Wear_Leveling_Count     0x0013   099   099   000    Pre-fail  Always =
      -       2
179 Used_Rsvd_Blk_Cnt_Tot   0x0013   100   100   010    Pre-fail  Always =
      -       0
181 Program_Fail_Cnt_Total  0x0032   100   100   010    Old_age   Always =
      -       0
182 Erase_Fail_Count_Total  0x0032   100   100   010    Old_age   Always =
      -       0
183 Runtime_Bad_Block       0x0013   100   100   010    Pre-fail  Always =
      -       0
187 Uncorrectable_Error_Cnt 0x0032   100   100   000    Old_age   Always =
      -       0
190 Airflow_Temperature_Cel 0x0032   073   057   000    Old_age   Always =
      -       27
195 ECC_Error_Rate          0x001a   200   200   000    Old_age   Always =
      -       0
199 CRC_Error_Count         0x003e   100   100   000    Old_age   Always =
      -       0
235 POR_Recovery_Count      0x0012   099   099   000    Old_age   Always =
      -       51
241 Total_LBAs_Written      0x0032   099   099   000    Old_age   Always =
      -       1078954976

SMART Error Log Version: 1
No Errors Logged

SMART Self-test log structure revision number 1
No self-tests have been logged.  [To run self-tests, use: smartctl -t]

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.

>=20
>=20
> --=20
> Polytropon
> Magdeburg, Germany
> Happy FreeBSD user since 4.0
> Andra moi ennepe, Mousa, =E2=80=A6

=E2=80=94
Christoph





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