WD disk is not spinning down

wojciszpl · Nov 5th 2024

Hi, in my installation I have 2 HDD disk from WD, as below:

- WDC_WD120EDAZ

- WDC_WD180EDGZ

Both were bought in USB cases, worked this way for some time (~2yrs) and now have been shucked to put them into case and work via normal SATA which should be better, more robust , etc.

Everything is fine except that the smaller one disk (WDC_@D120EDAZ) is not always spinning down automatically.

For instance, yesterday and today spin up all the time, unless I requested it for spin down manually - then it's spinning down and what is important, is not spinning up again, which means there is no process which is using it.

I tested both:

Code

smartctl -s standby,now /dev/sdb

and

Code

hdparm -y /dev/sdb

Both works fine, so manuall spin down works properly

Both disk have same values of APM:

Code

 <hdparm>
        <uuid>6729697a-9958-4721-8bea-5b8ea424e35a</uuid>
        <devicefile>/dev/disk/by-id/ata-WDC_WD120EDAZ-11F3RA0_5PK8UMSF</devicefile>
        <apm>64</apm>
        <aam>0</aam>
        <spindowntime>120</spindowntime>
        <writecache>0</writecache>
      </hdparm>
      <hdparm>
        <uuid>36056973-73cc-4ba9-9891-5e94bb52a149</uuid>
        <devicefile>/dev/disk/by-id/ata-WDC_WD180EDGZ-11B2DA0_4ZGLGTMV</devicefile>
        <apm>64</apm>
        <aam>0</aam>
        <spindowntime>120</spindowntime>
        <writecache>0</writecache>
      </hdparm>

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And idea what can be wrong with this configuration and why one of those disk are not spinning down correctly?

wojciszpl · Nov 8th 2024

Additionaly I paste output from:

Code

blktrace -d /dev/sdb -o - | blkparse -i - > /tmp/blktrace_output &

Below what I get:

Code

   8,16   0       21     9.345598768  1324  D  RA 7303534624 + 8 [mount.ntfs]
  8,16   2        1     9.345184213     0  C  RA 2951418520 + 8 [0]
  8,16   2        2     9.385431771     0  C  RA 7303534600 + 16 [0]
  8,16   2        3     9.385487452    26  C  RA 7303534624 + 8 [0]
  8,16   2        4     9.385613483  1324  A  RA 7303534632 + 64 <- (8,17) 7303532584
  8,16   2        5     9.385615044  1324  Q  RA 7303534632 + 64 [mount.ntfs]
  8,16   2        6     9.385621780  1324  G  RA 7303534632 + 64 [mount.ntfs]
  8,16   2        7     9.385622605  1324  P   N [mount.ntfs]
  8,16   2        8     9.385623971  1324  U   N [mount.ntfs] 1
  8,16   2        9     9.385625401  1324  I  RA 7303534632 + 64 [mount.ntfs]
  8,16   2       10     9.385636708  1324  D  RA 7303534632 + 64 [mount.ntfs]
  8,16   2       11     9.385735498  1324  C  RA 7303534632 + 64 [0]
  8,16   2       12     9.385745098  1324  A  RA 8074512768 + 8 <- (8,17) 8074510720
  8,16   2       13     9.385746116  1324  Q  RA 8074512768 + 8 [mount.ntfs]
  8,16   2       14     9.385749893  1324  G  RA 8074512768 + 8 [mount.ntfs]
  8,16   2       15     9.385750445  1324  P   N [mount.ntfs]
  8,16   2       16     9.385751576  1324  U   N [mount.ntfs] 1
  8,16   2       17     9.385752586  1324  I  RA 8074512768 + 8 [mount.ntfs]
  8,16   2       18     9.385758777  1324  D  RA 8074512768 + 8 [mount.ntfs]
  8,16   2       19     9.425497956     0  C  RA 8074512768 + 8 [0]
  8,16   2       20     9.425620541  1324  A  RA 8074512784 + 32 <- (8,17) 8074510736
  8,16   2       21     9.425622524  1324  Q  RA 8074512784 + 32 [mount.ntfs]
  8,16   2       22     9.425629463  1324  G  RA 8074512784 + 32 [mount.ntfs]
  8,16   2       23     9.425630314  1324  P   N [mount.ntfs]
  8,16   2       24     9.425631586  1324  U   N [mount.ntfs] 1
  8,16   2       25     9.425633229  1324  I  RA 8074512784 + 32 [mount.ntfs]
  8,16   2       26     9.425644859  1324  D  RA 8074512784 + 32 [mount.ntfs]
  8,16   2       27     9.425721127     0  C  RA 8074512784 + 32 [0]
  8,16   2       28     9.425820843  1324  A  RA 8074512816 + 64 <- (8,17) 8074510768
  8,16   2       29     9.425821820  1324  Q  RA 8074512816 + 64 [mount.ntfs]
  8,16   2       30     9.425826137  1324  G  RA 8074512816 + 64 [mount.ntfs]
  8,16   2       31     9.425826712  1324  P   N [mount.ntfs]
  8,16   2       32     9.425827778  1324  U   N [mount.ntfs] 1
  8,16   2       33     9.425828891  1324  I  RA 8074512816 + 64 [mount.ntfs]
  8,16   2       34     9.425835970  1324  D  RA 8074512816 + 64 [mount.ntfs]
  8,16   2       35     9.425930851  1324  C  RA 8074512816 + 64 [0]
  8,16   2       36     9.426006098  1324  A  RA 13649043192 + 8 <- (8,17) 13649041144
  8,16   2       37     9.426007074  1324  Q  RA 13649043192 + 8 [mount.ntfs]
  8,16   2       38     9.426010955  1324  G  RA 13649043192 + 8 [mount.ntfs]
  8,16   2       39     9.426011574  1324  P   N [mount.ntfs]
  8,16   2       40     9.426012482  1324  U   N [mount.ntfs] 1
  8,16   2       41     9.426013575  1324  I  RA 13649043192 + 8 [mount.ntfs]
  8,16   2       42     9.426020328  1324  D  RA 13649043192 + 8 [mount.ntfs]
  8,16   2       43     9.443209532     0  C  RA 13649043192 + 8 [0]
  8,16   2       44   480.988097096 1531706  D   R 36 [smartctl]
  8,16   2       45   480.988112333    26  C   R [0]
  8,16   2       46   480.988142846 1531706  D   R 512 [smartctl]
  8,16   2       47   480.988303728     0  C   R [0]
  8,16   2       48   480.988337822 1531706  D   N 0 [smartctl]
  8,16   2       49   480.988440868     0  C   N [0]
  8,16   2       50   480.988458384 1531706  D   R 512 [smartctl]
  8,16   2       51   480.988575929     0  C   R [0]
  8,16   2       52   480.999481542 1531706  D   R 512 [smartctl]
  8,16   2       53   481.003712974     0  C   R [0]
  8,16   2       54   481.003766261 1531706  D   R 512 [smartctl]
  8,16   3        1   481.937494800 1531706  D   N 0 [smartctl]
  8,16   3        2   481.938763818 1531706  D   R 512 [smartctl]
  8,16   2       55   481.937423099 1531992  C   R [0]
  8,16   2       56   481.938357880 1531992  C   N [0]
  8,16   2       57   482.045502061     0  C   R [0]
  8,16   2       58   482.046969001     0  C   R [0]
  8,16   2       59   482.048274058     0  C   R [0]
  8,16   2       60   482.049644495     0  C   R [0]
  8,16   3        3   482.045597670 1531706  D   R 512 [smartctl]
  8,16   3        4   482.047014641 1531706  D   R 512 [smartctl]
  8,16   3        5   482.048322559 1531706  D   R 512 [smartctl]
  8,16   3        6  1859.753730313 1539671  D   N 0 [hdparm]
  8,16   3        7  1859.755252088 1539671  D   N 0 [hdparm]
  8,16   2       61  1859.753897964     0  C   N [0]
  8,16   2       62  1859.755380490     0  C   N [0]
  8,16   3        8  4080.673503855 1551253  D   R 36 [smartctl]
  8,16   3        9  4080.673519905    31  C   R [0]
  8,16   3       10  4080.673555459 1551253  D   R 512 [smartctl]
  8,16   2       63  4080.673700911 1551238  C   R [0]
  8,16   3       11  4080.673733241 1551253  D   N 0 [smartctl]
  8,16   2       64  4080.673832799 1551238  C   N [0]
CPU0 (8,16):
 Reads Queued:           3,       16KiB     Writes Queued:           0,        0KiB
 Read Dispatches:        3,       16KiB     Write Dispatches:        0,        0KiB
 Reads Requeued:         0         Writes Requeued:         0
 Reads Completed:        0,        0KiB     Writes Completed:        0,        0KiB
 Read Merges:            0,        0KiB     Write Merges:            0,        0KiB
 Read depth:             5             Write depth:             0
 IO unplugs:             3             Timer unplugs:           0
CPU2 (8,16):
 Reads Queued:           5,       88KiB     Writes Queued:           0,        0KiB
 Read Dispatches:        5,       88KiB     Write Dispatches:        0,        0KiB
 Reads Requeued:         0         Writes Requeued:         0
 Reads Completed:        8,      104KiB     Writes Completed:        0,        0KiB
 Read Merges:            0,        0KiB     Write Merges:            0,        0KiB
 Read depth:             5             Write depth:             0
 PC Reads Queued:        0,        0KiB     PC Writes Queued:        0,        0KiB
 PC Read Disp.:          6,        2KiB     PC Write Disp.:          0,        0KiB
 PC Reads Req.:          0         PC Writes Req.:          0
 PC Reads Compl.:       15         PC Writes Compl.:        0
 IO unplugs:             5             Timer unplugs:           0
CPU3 (8,16):
 Reads Queued:           0,        0KiB     Writes Queued:           0,        0KiB
 Read Dispatches:        0,        0KiB     Write Dispatches:        0,        0KiB
 Reads Requeued:         0         Writes Requeued:         0
 Reads Completed:        0,        0KiB     Writes Completed:        0,        0KiB
 Read Merges:            0,        0KiB     Write Merges:            0,        0KiB
 Read depth:             5             Write depth:             0
 PC Reads Queued:        0,        0KiB     PC Writes Queued:        0,        0KiB
 PC Read Disp.:         10,        2KiB     PC Write Disp.:          0,        0KiB
 PC Reads Req.:          0         PC Writes Req.:          0
 PC Reads Compl.:        1         PC Writes Compl.:        0
 IO unplugs:             0             Timer unplugs:           0

Total (8,16):
 Reads Queued:           8,      104KiB     Writes Queued:           0,        0KiB
 Read Dispatches:        8,      104KiB     Write Dispatches:        0,        0KiB
 Reads Requeued:         0         Writes Requeued:         0
 Reads Completed:        8,      104KiB     Writes Completed:        0,        0KiB
 Read Merges:            0,        0KiB     Write Merges:            0,        0KiB
 PC Reads Queued:        0,        0KiB     PC Writes Queued:        0,        0KiB
 PC Read Disp.:         16,        4KiB     PC Write Disp.:          0,        0KiB
 PC Reads Req.:          0         PC Writes Req.:          0
 PC Reads Compl.:       16         PC Writes Compl.:        0
 IO unplugs:             8             Timer unplugs:           0

Throughput (R/W): 0KiB/s / 0KiB/s
Events (8,16): 96 entries
Skips: 0 forward (0 -   0.0%)

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Could somebody smarter than me give a clue what going on and why disk is spinning up so many times per day?

When it was plugged via USB, there was no problem with standby mode and during 3-4yrs, disk had only 8k load cycle count.

But after switch to SATA, in one month it increased about 1k!

WD disk is not spinning down

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