I am running LibreELEC 8.2.4 on a RPi3B. I have attached a USB disk BUFFALO HD-PNTU3 (1To).
For the last week the disk has shown some issues which may be related to low power (making some noise while trying to access file from USB disk). I can also see the Lightning bolt symbol (⚡ in yellow) in top right screen of Kodi.
If I now ssh over to it I can see:
[ 7609.782469] usb 1-1.4: reset high-speed USB device number 5 using dwc_otg
[11347.403707] usb 1-1.4: reset high-speed USB device number 5 using dwc_otg
[11348.244208] usb 1-1.4: USB disconnect, device number 5
[11348.257137] sd 0:0:0:0: [sda] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x01 driverbyte=0x00
[11348.257158] sd 0:0:0:0: [sda] tag#0 CDB: opcode=0x28 28 00 00 5f 1f 60 00 00 08 00
[11348.257167] blk_update_request: I/O error, dev sda, sector 6233952
[11348.257248] sd 0:0:0:0: [sda] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x01 driverbyte=0x00
[11348.257261] sd 0:0:0:0: [sda] tag#0 CDB: opcode=0x2a 2a 00 00 5f 23 88 00 00 f0 00
[11348.257268] blk_update_request: I/O error, dev sda, sector 6235016
[11348.257278] Buffer I/O error on dev sda1, logical block 779369, lost async page write
[11348.257296] Buffer I/O error on dev sda1, logical block 779370, lost async page write
[11348.257306] Buffer I/O error on dev sda1, logical block 779371, lost async page write
[11348.257316] Buffer I/O error on dev sda1, logical block 779372, lost async page write
[11348.257325] Buffer I/O error on dev sda1, logical block 779373, lost async page write
[11348.257334] Buffer I/O error on dev sda1, logical block 779374, lost async page write
[11348.257344] Buffer I/O error on dev sda1, logical block 779375, lost async page write
[11348.257354] Buffer I/O error on dev sda1, logical block 779376, lost async page write
[11348.257364] Buffer I/O error on dev sda1, logical block 779377, lost async page write
[11348.257375] Buffer I/O error on dev sda1, logical block 779378, lost async page write
[11352.280607] usb 1-1.4: new high-speed USB device number 6 using dwc_otg
If I now unplug the external USB and check from my main laptop, I can check SMART is ok:
# smartctl -a -d sat /dev/sdc
...
SMART Error Log Version: 1
No Errors Logged
Could someone suggest tools/methodology to investiage possibly failing power supply ? I am using a cheap DSM-0525 from ebay:
Which is supposed to power the RPI3b and the HD-PNTU3 :
- https://www.raspberrypi.org/products/raspberry-pi-3-model-b/
- http://www.buffalo-technology.com/products/storage-devices/portable-storage/ministationtm-portable-hard-drives/archive/ministation-plus/
The Power Supply is supposed to produce 2500mA output which seems to me should be plenty for both:
