Jump to content
  • 0

USB Hard Drive not recognised on warm boot




I recently plugged in a 4TB Seagate Expansion hard drive and it worked fine.


After rebooting the Rockpi4B via 'sudo reboot'  the drive  is not recognised -  dmesg shows:

[    3.877060] sd 1:0:0:0: [sdb] Unit Not Ready
[    3.877082] sd 1:0:0:0: [sdb] Sense Key : 0x4 [current] 
[    3.877094] sd 1:0:0:0: [sdb] ASC=0x44 <<vendor>>ASCQ=0x81 

Any ideas?

Link to comment
Share on other sites

9 answers to this question

Recommended Posts

Help Armbian team helping you!

  • 0

Sure enough,  unplug/replug works...

[75734.552263] usb 6-1: USB disconnect, device number 2
[75737.559808] usb 6-1: new SuperSpeed USB device number 3 using xhci-hcd
[75737.581298] usb 6-1: New USB device found, idVendor=0bc2, idProduct=2037, bcdDevice=19.01
[75737.581339] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[75737.581362] usb 6-1: Product: Expansion HDD
[75737.581381] usb 6-1: Manufacturer: Seagate
[75737.581400] usb 6-1: SerialNumber: 00000000NAC5MKA3
[75737.583286] usb 6-1: UAS is ignored for this device, using usb-storage instead
[75737.583317] usb-storage 6-1:1.0: USB Mass Storage device detected
[75737.584389] usb-storage 6-1:1.0: Quirks match for vid 0bc2 pid 2037: 800000
[75737.584713] scsi host1: usb-storage 6-1:1.0
[75738.600671] scsi 1:0:0:0: Direct-Access     Seagate  Expansion HDD    1901 PQ: 0 ANSI: 6
[75738.601867] sd 1:0:0:0: Attached scsi generic sg0 type 0
[75743.224634] sd 1:0:0:0: [sda] Very big device. Trying to use READ CAPACITY(16).
[75743.224837] sd 1:0:0:0: [sda] 7814037167 512-byte logical blocks: (4.00 TB/3.64 TiB)
[75743.224845] sd 1:0:0:0: [sda] 4096-byte physical blocks
[75743.225155] sd 1:0:0:0: [sda] Write Protect is off
[75743.225164] sd 1:0:0:0: [sda] Mode Sense: 47 00 00 08
[75743.225490] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[75743.909269]  sda: sda1
[75743.910741] sd 1:0:0:0: [sda] Attached SCSI disk


Link to comment
Share on other sites

  • 0
16 hours ago, tellytinker said:

power 2 spinning drives drawing to much power starting at sane time...

I considered that -  however  the RockPi  page states:

How much mA can i get from the USB 3 and 2 ports for charging or use a 2.5" disk?

The upper USB3.0 OTG has one dedicated current limit control which is 1.45A. The rest USB 3.0 HOST and the two USB 2.0 HOST share a current limit control of 3A together


Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Answer this question...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


  • Create New...