So, the SSD drive DOES work with Sierra, you just have an issue with how much data Sierra writes to it. From your stats image above, the system has written 13.97Gb. This does not seem unreasonable. In any event, I wouldn't worry about it. See What you can do to save some what might be considered unnecessary writes on disk reads is to disable ATIME (the last time the data was accessed). Create the following file named com.noatime.plist: Label com.noatime ProgramArguments mount -uwo noatime / RunAtLoad.

Question: Q: Samsung Portable SSD T1 support After upgrading to Sierra, the OS doesn't recognize my existing Samsung Portable SSD T1 (MU-PS1T0B) connected via USB 3. If I unplug, then replug the USB cable, OS will detect the initial folder, but nothing happens when I click on the Samsung Portable SSD.app. Samsung Portable SSD is connected with USB and uses a software to encrypt the data partition. Normally the App named Samsung Portable SSD, following the drive will provide a login window to access the encrypted partition on the drive, but this window doesn't pop up anymore.

I have similar problem, and it renders the drive unreadable in Sierra, at least when encrypted. Samsung Portable SSD is connected with USB and uses a software to encrypt the data partition. Normally the App named Samsung Portable SSD, following the drive will provide a login window to access the encrypted partition on the drive, but this window doesn't pop up anymore.

Nothing happens as artlemon describes. Without the software working, the only thing visible is the setup partition. The encrypted data partition is not accessible at all.

Visible in Disk Utility, that it only recognises the setup partition on 130MB. The drive is 500 GB. Apple Footer • This site contains user submitted content, comments and opinions and is for informational purposes only.

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So, the SSD drive DOES work with Sierra, you just have an issue with how much data Sierra writes to it. From your stats image above, the system has written 13.97Gb. This does not seem unreasonable. In any event, I wouldn't worry about it. See What you can do to save some what might be considered unnecessary writes on disk reads is to disable ATIME (the last time the data was accessed).

Create the following file named com.noatime.plist: Label com.noatime ProgramArguments mount -uwo noatime / RunAtLoad. I have similar problem, and it renders the drive unreadable in Sierra, at least when encrypted. Java se development kit 9.0.4 for my old mac. Samsung Portable SSD is connected with USB and uses a software to encrypt the data partition.

Normally the App named Samsung Portable SSD, following the drive will provide a login window to access the encrypted partition on the drive, but this window doesn't pop up anymore. Nothing happens as artlemon describes. Without the software working, the only thing visible is the setup partition. The encrypted data partition is not accessible at all.

Visible in Disk Utility, that it only recognises the setup partition on 130MB. The drive is 500 GB. Apple Footer • This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of any proposed solutions on the community forums.