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HDD read errors , Failed segment in smart test - What should I do?


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Hi All, 

 

I'm new to the unraid community, still learning and trying to figure it out, so please be gentle :) I've listed my questions below but please add anything else if needed. 

 

I've just noticed that I have some read errors on one of my drives. When I noticed I tried to run a SMART extended test (twice) but it failed in segment both times.

 

I have 5 x 4tb hard drives installed in my system, they are old server drives so I expected they may not be the most stable of drives so I have set 2 of them up as a parity.  

 

1. Should I replace the drive with read errors, or perform some other tests? I have other spare drives available

2. My parity check was done 30 days ago, will this have any effect on my rebuilding the cache 

 

 

image.thumb.png.a4c96bc2bbde5e518058fa4a6515737b.png

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smartctl 7.4 2023-08-01 r5530 [x86_64-linux-6.1.79-Unraid] (local build)
Copyright (C) 2002-23, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Vendor:               HGST
Product:              HUS724040ALS640
Revision:             A280
Compliance:           SPC-4
User Capacity:        4,000,787,030,016 bytes [4.00 TB]
Logical block size:   512 bytes
LU is fully provisioned
Rotation Rate:        7200 rpm
Form Factor:          3.5 inches
Logical Unit id:      0x5000cca07356ee1c
Serial number:        PEHJU1ZX
Device type:          disk
Transport protocol:   SAS (SPL-4)
Local Time is:        Thu Aug 15 13:36:39 2024 AEST
SMART support is:     Available - device has SMART capability.
SMART support is:     Enabled
Temperature Warning:  Enabled
Read Cache is:        Enabled
Writeback Cache is:   Disabled

=== START OF READ SMART DATA SECTION ===
SMART Health Status: OK

Current Drive Temperature:     39 C
Drive Trip Temperature:        85 C

Manufactured in week 44 of year 2015
Specified cycle count over device lifetime:  50000
Accumulated start-stop cycles:  38
Specified load-unload count over device lifetime:  600000
Accumulated load-unload cycles:  1892
Elements in grown defect list: 132

Vendor (Seagate Cache) information
  Blocks sent to initiator = 5113223527268352

Error counter log:
           Errors Corrected by           Total   Correction     Gigabytes    Total
               ECC          rereads/    errors   algorithm      processed    uncorrected
           fast | delayed   rewrites  corrected  invocations   [10^9 bytes]  errors
read:    1097210       45         0   1097255   205385743     389969.089         101
write:         0        0         0         0      17266      26205.738           0
verify:        6        0         0         6      19624          0.000           0

Non-medium error count:        0

SMART Self-test log
Num  Test              Status                 segment  LifeTime  LBA_first_err [SK ASC ASQ]
     Description                              number   (hours)
# 1  Background long   Failed in segment -->       7   50961         536858403 [0x3 0x5d 0x1]
# 2  Background long   Failed in segment -->       7   50961         536845737 [0x3 0x5d 0x1]
# 3  Background long   Completed                   -   50471                 - [-   -    -]
# 4  Background long   Failed in segment -->       7   50461         593312290 [0x3 0x5d 0x1]

Long (extended) Self-test duration: 37452 seconds [10.4 hours]

Background scan results log
  Status: waiting until BMS interval timer expires
    Accumulated power on time, hours:minutes 50962:13 [3057733 minutes]
    Number of background scans performed: 136,  scan progress: 0.00%
    Number of background medium scans performed: 136

   #  when        lba(hex)    [sk,asc,ascq]    reassign_status
   1 50533:40  00000000d9f2047f  [3,11,0]   Recovered via rewrite in-place
   2 50529:35  00000000235ecaf8  [3,11,0]   Reassigned by app, has valid data
   3 50529:35  00000000235ebf3a  [3,11,0]   Reassigned by app, has valid data
   4 50529:35  00000000235eb37c  [3,11,0]   Recovered via rewrite in-place
   5 50529:35  00000000235e9c00  [3,11,0]   Reassigned by app, has valid data
   6 50529:35  00000000235e9042  [3,11,0]   Reassigned by app, has valid data
   7 50529:35  00000000235e8483  [3,11,0]   Reassigned by app, has valid data
   8 50529:35  00000000235e78c5  [3,11,0]   Reassigned by app, has valid data
   9 50529:35  00000000235e6d07  [3,11,0]   Reassigned by app, has valid data
  10 50529:35  00000000235e6149  [3,11,0]   Reassigned by app, has valid data
  11 50529:35  00000000235e558b  [3,11,0]   Reassigned by app, has valid data
  12 50529:35  00000000235e3185  [3,11,0]   Reassigned by app, has valid data
  13 50529:35  00000000235da49c  [3,11,0]   Reassigned by app, has valid data
  14 50529:35  00000000235d98de  [3,11,0]   Reassigned by app, has valid data
  15 50529:35  00000000235d691a  [3,11,0]   Reassigned by app, has valid data
  16 50529:35  00000000235d5d5c  [3,11,0]   Reassigned by app, has valid data
  17 50529:35  00000000235d519e  [3,11,0]   Reassigned by app, has valid data
  18 50529:35  00000000235d2e64  [3,11,0]   Reassigned by app, has valid data
  19 50529:35  00000000235d16e8  [3,11,0]   Reassigned by app, has valid data
  20 50529:35  00000000235cf3ad  [3,11,0]   Reassigned by app, has valid data
  21 50529:35  00000000235ce7ef  [3,11,0]   Reassigned by app, has valid data
  22 50529:35  00000000235cd073  [3,11,0]   Reassigned by app, has valid data
  23 50529:35  00000000235cb82b  [3,11,0]   Reassigned by app, has valid data
  24 50529:34  00000000235cac6d  [3,11,0]   Reassigned by app, has valid data
  25 50529:34  00000000235ca0af  [3,11,0]   Reassigned by app, has valid data
  26 50529:34  00000000235c94f1  [3,11,0]   Reassigned by app, has valid data
  27 50529:34  00000000235c8933  [3,11,0]   Reassigned by app, has valid data
  28 50529:34  00000000235c7d75  [3,11,0]   Reassigned by app, has valid data
  29 50529:34  00000000235c71b7  [3,11,0]   Reassigned by app, has valid data
  30 50529:34  000000002330b070  [3,11,0]   Reassigned by app, has valid data
  31 50529:34  000000002330a4b2  [3,11,0]   Reassigned by app, has valid data
  32 50529:34  0000000023308c6b  [3,11,0]   Reassigned by app, has valid data
  33 50529:34  00000000233080ad  [3,11,0]   Reassigned by app, has valid data
  34 50529:34  00000000233074ef  [3,11,0]   Reassigned by app, has valid data
  35 50529:34  0000000023306931  [3,11,0]   Reassigned by app, has valid data
  36 50529:34  0000000023305d73  [3,11,0]   Reassigned by app, has valid data
  37 50529:34  00000000233051b4  [3,11,0]   Reassigned by app, has valid data
  38 50529:34  00000000233016fe  [3,11,0]   Reassigned by app, has valid data
  39 50529:34  0000000023300b40  [3,11,0]   Reassigned by app, has valid data
  40 50529:34  00000000232ff3c4  [3,11,0]   Reassigned by app, has valid data
  41 50529:34  00000000232fe805  [3,11,0]   Reassigned by app, has valid data
  42 50529:34  00000000232fc400  [3,11,0]   Reassigned by app, has valid data
  43 50529:34  00000000232fb842  [3,11,0]   Reassigned by app, has valid data
  44 50529:34  00000000232fac84  [3,11,0]   Reassigned by app, has valid data
  45 50529:34  00000000232fa0c6  [3,11,0]   Reassigned by app, has valid data
  46 50529:34  00000000232f9507  [3,11,0]   Reassigned by app, has valid data
  47 50529:33  00000000232f8949  [3,11,0]   Reassigned by app, has valid data
  48 50529:33  00000000232f7d8b  [3,11,0]   Reassigned by app, has valid data
  49 50529:33  00000000232f660f  [3,11,0]   Recovered via rewrite in-place
  50 50529:30  000000002001ccbf  [3,11,0]   Reassigned by app, has valid data
  51 50529:30  000000002001c060  [3,11,0]   Reassigned by app, has valid data
  52 50529:30  000000002001b402  [3,11,0]   Reassigned by app, has valid data
  53 50529:30  000000002001a7a4  [3,11,0]   Reassigned by app, has valid data
  54 50529:30  0000000020010604  [3,11,0]   Reassigned by app, has valid data
  55 50529:29  000000002000f9a5  [3,11,0]   Reassigned by app, has valid data
  56 50529:29  000000002000ed47  [3,11,0]   Reassigned by app, has valid data
  57 50529:29  000000002000e0e9  [3,11,0]   Reassigned by app, has valid data
  58 50529:29  0000000020004ba8  [3,11,0]   Reassigned by app, has valid data
  59 50529:29  0000000020003f49  [3,11,0]   Reassigned by app, has valid data
  60 50529:29  00000000200032eb  [3,11,0]   Reassigned by app, has valid data
  61 50529:29  000000002000268c  [3,11,0]   Recovered via rewrite in-place
  62 50529:29  000000001fffb666  [3,11,0]   Recovered via rewrite in-place
  63 50529:29  000000001fff84ed  [3,11,0]   Reassigned by app, has valid data
  64 50529:29  000000001fff6c30  [3,11,0]   Recovered via rewrite in-place
  65 50529:29  000000001fff5373  [3,11,0]   Recovered via rewrite in-place
  66 50461:34  00000000235e25c7  [3,11,0]   Reassigned by app, has valid data

General statistics and performance log page:
  General access statistics and performance:
    Number of read commands: 953716376
    Number of write commands: 304771872
    number of logical blocks received: 51183082305
    number of logical blocks transmitted: 761658377039
    read command processing intervals: 0
    write command processing intervals: 0
    weighted number of read commands plus write commands: 0
    weighted read command processing plus write command processing: 0
  Idle time:
    Idle time intervals: 1842511514
      in seconds: 92125575.700
      in hours: 25590.437

Protocol Specific port log page for SAS SSP
relative target port id = 1
  generation code = 8
  number of phys = 1
  phy identifier = 0
    attached device type: SAS or SATA device
    attached reason: unknown
    reason: unknown
    negotiated logical link rate: phy enabled; 6 Gbps
    attached initiator port: ssp=1 stp=1 smp=1
    attached target port: ssp=0 stp=0 smp=0
    SAS address = 0x5000cca07356ee1d
    attached SAS address = 0x500605b005e43d54
    attached phy identifier = 7
    Invalid DWORD count = 299
    Running disparity error count = 284
    Loss of DWORD synchronization count = 75
    Phy reset problem count = 0
relative target port id = 2
  generation code = 8
  number of phys = 1
  phy identifier = 1
    attached device type: no device attached
    attached reason: unknown
    reason: power on
    negotiated logical link rate: phy enabled; unknown
    attached initiator port: ssp=0 stp=0 smp=0
    attached target port: ssp=0 stp=0 smp=0
    SAS address = 0x5000cca07356ee1e
    attached SAS address = 0x0
    attached phy identifier = 0
    Invalid DWORD count = 0
    Running disparity error count = 0
    Loss of DWORD synchronization count = 0
    Phy reset problem count = 0

 

 

 

 

 

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