OWC Jellyfish

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Setup and Installation

Frequently Asked Questions

Here are some answers you might find helpful. If you aren't seeing what you are looking for, please check the rest of our knowledge base or contact our team.

1. I upgraded my workstation OS and now I can’t mount

  • If you’re using a 10G adapter or an add-on card, please check to make sure you have the correct drivers.
  • Sometimes the IP address field in macOS System Preferences will get set to a "self-assigned" address, and will need to be reset to the default. If you know what port your workstation is plugging into, you can find out how to determine the IP address here.

2. OWC Jellyfish gets disconnected from my Mac.

  • If this happens when you step away for a bit, make sure your energy settings are set so your Mac doesn’t go to sleep, as this interrupts network connections.
  • You may also need to replace your cable, as a loose or damaged cable can lead to erratic performance and poor stability.

3. I’ve got slow speeds on a 10GbE port (macOS)

  • Check to see that you are using recommended macOS settings: Recommended 10G Network Settings (macOS)
  • If your computer doesn’t see the OWC Jellyfish, please check in System Preferences -> Network if you are able to see the network interface connected to the OWC Jellyfish and make sure it is active (with a green light or yellow light)
  • If you don’t see it at all you may have a bad adapter, an adapter that is not turned on, or a bad Thunderbolt cable. You may also need to add it manually to the list by clicking the + button and selecting the Thunderbolt Ethernet or Ethernet interface and Apply those changes.
  • If you see the interface but it is not active try removing it and adding it again using the - and + buttons at the bottom of the networks list. Save those settings
  • If you still don’t see it, make sure that the OWC Jellyfish is on. Also make sure that your Thunderbolt Ethernet adapter is powered on. Check the Advanced settings for the interface and make sure it’s set to 10G connection. Some network ports on the OWC Jellyfish require 10G connection and cannot work with 1G. If you still don’t see the connection as active, please replace your ethernet cable.

4. What are the normal speeds for the 10GbE connection?

  • The speeds may vary depending on your 10GbE adapter, your computer configuration, the OS and the version of OS you are using. In some configurations it is normal to get over 900mbps for read and write, while for others it is normal to get about 600mbps.

5. Should I have a backup of the OWC Jellyfish?

  • Absolutely. Data loss can happen unexpectedly, by events that cannot be predicted or prevented. It may be a catastrophic event like a flood, or something like a member of your team accidentally deleting a file they weren’t supposed to.

6. How often should I check the health of my OWC Jellyfish?

  • We recommend logging into Manager for Jellyfish on a weekly basis to check for system alerts.