PARTUUID=74129c0a-02 / ext4 defaults,noatime 0 1 PARTUUID=74129c0a-01 /boot vfat defaults 0 2 Then edit fstab to mount the USB hard drive on boot proc /proc proc defaults 0 0 Will format as hfplus as native filesystem of Mac OS X and label accordingly # sudo mkfs.hfsplus /dev/sda1 -v TimeMachineĬreate mount point and update permissions to allow user access # sudo mkdir /media/tm & sudo chmod -R 777 /media/tm & sudo chown root:users /media/tmĭetermine the UUID of your USB hard drive as will be use for fstab $ ls -lha /dev/disk/by-uuidĭrwxr-xr-x 7 root root 140 Oct 7 13:13. I/O size (minimum/optimal): 512 bytes / 512 bytesĭevice Boot Start End Sectors Size Id Type Sector size (logical/physical): 512 bytes / 512 bytes So this is what an fdisk -l shows when the device has the SD card to boot and OS (/dev/mmcdlk0p1/2) and ext SSD drive with single partition (/dev/sda) Disk /dev/mmcblk0: 14.9 GiB, 15931539456 bytes, 31116288 sectors # sudo apt-get install hfsutils hfsprogs -y Here I will format an USB3 SSD hard drive using hfsplus. The RPI4B is able to supply a total of 1.2 amps to its 4 USB ports if the RPi4B is powered from a 3 amp power supply and supports USB3 interface (5 Gb/s) so will be a practical match.įirst ensure OS is up to date # sudo apt-get update & sudo apt-get upgrade -y The SSD will consume 0.60A (2.8W) and transfer over SATA III (6 Gb/s). Using the ‘Green’ range as they are designed to be low power / preformance. There must be a RAID option with external power for the capacity but for now going with a WD 240TB Green Drive to verify its operation. ![]() The bigger picture is to replace the XEON based device that hosts ~ 4TB for backups. I want to be able to replace the data directory as required so proceeding with an separate drive. With a 4 and latest OS it is a case of selecting the SSD drive instead of a SD card when writing the image. Will boot from the SD card as want separate data partition. The RPI4B firmware natively supports USB 3.0 and booting from SSD drives. Here is the code in Netatalk that keeps the 'root' user from logging in for example: auth.We will install Net talk to provide APF and Avahi to advertise and host on a external drive. feature-error.jpg for example)Ĭannot login as root to see the whole pi. (note, you can add a file to the pi's storage root and it shows up fine so you know it is working. Results in the folder disappearing from the π Tin volume aka root of the pi's boot volume you are looking at on your Mac desktop: (you may have to "disconnect" and "reconnect" from your Mac to see the changes faster)īut because you told the pi's file system to not allow "others" to "execute" aka display folder contents listing, you can't open it from your Mac regardless of the "read" setting on the folder.Īnd of course changing it back to allow "execute" hence get a folder contents listing: sudo chmod o+x /man Now, after executing the command line above and then opening the π Tin volume, you will magically see the "man" folder show up: That directory or "folder" should have shown under the π Tin volume with a whole bunch of others when you first opened it.but it didn't. Then for fun, set the "execute" bit off on the /man directory on your pi like this: sudo chmod o-x /man To the /etc/netatalk/fault file on your pi before the # End of File you will likely see a nearly empty volume = your when you open the π Tin volume from your Mac (aka file share, shared folder): Aggravating.įor example, if you tell Netatalk to share the root of the storage by adding: / "π Tin" If you do share the root of the storage system via Netatalk, and if your folder is at the root of the disk and if that folder permits the logged in Appletalk user to list it's content, Netatalk filters that folder out of the listing under the root of the storage aka "/". There is code in Netatalk that prevents the root user from logging in. ![]() You can't login as root user to see the entire contents of the pi's storage.
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