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1

Like @Milliways wrote, You should be able to power a USB hard disk from the Pi3B+ but it really depends on the drive (and the PSU of the Pi). Also, if the files you are working on are important, I suggest you to use a powered usb hub to prevent "bad things" from happening.


2

You DO NOT have 2 drives, you probably have 2 mount points, one of which may have a drive mounted on it. The automount "feature" creates mount points, and can create many if drives are re-attached without properly unmounting - there are many reasons this can occur. If you attempt to write, without checking that a drive is mounted, you will write to the ...


0

Same problem as yours. I have an external drive with exFAT in order to reposit the software installer (Win and Mac), so I want to share it using Raspberry Pi 4B samba so that I can directly plug into pc/mac if large installers are needed. Sadly, the exFAT format can't work well with samba in my pi. The symptoms are as you described, that I can download, ...


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No. You will need an external device such as an enclosure to convert SAS to a port the Raspberry Pi has (USB). Such enclosures do not really exist and "SAS to SATA" cables are just cables you still need a SAS controller to read any drive connected to them.


1

I have solved the problem by connecting all the USB HDDs through the usb-hub with external power supply.


4

It seems you have an answer that addresses your question. I'm posting this as potentially "another answer" to augment @Ephemeral's answer, and because it's something that may be overlooked occasionally: If you are using Raspberry Pi and samba as a file server, perhaps the easiest and most reliable file system to use is the RPi's native ext4 filesystem. In ...


2

For the example I use Virtual Hard Drive exFAT for simulate your external drive and I use the pi user but you can easily adapt with your own paths replacing /media/VHD.exfat.bin and /mnt/VHD.exfat/ : sudo -i USER CONF : addgroup nas adduser pi nas CREATE VIRTUAL EXFAT : apt-get install exfat-utils exfat-fuse if [ ! -f /media/VHD.exfat.bin ];then dd if=/...


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Yes, I've had some initial success with: sudo hdparm -y /dev/sda1 Starting a movie, successfully starts the drive up again. I think I will cron it for a wee hour in the morning, if I have any issues I will report back. Sorry no one got back to you six and half years ago....!


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