Flagship capability
Jentu diskless infrastructure, designed and deployed
Jentu is a server controlled diskless computing platform. Workstations boot their operating system from a central image over the network instead of a local hard drive. CDOC is a certified Jentu implementer.
How it works
SchematicProcessing happens on the workstation. The central server stores and streams the image. This is not virtual desktop infrastructure.
CDOC designs the image structure, builds the storage layer, migrates users across and supports the environment afterwards.
Key details
| Boot model | Network boot, disk block streaming over Ethernet |
|---|---|
| Processing | Local to the endpoint, not centralised |
| Throughput | 1 Gigabit networking delivers SSD class performance; 10 Gigabit typically exceeds NVMe |
| Endpoint storage | None required |
| Scope | Workstations, servers and IoT endpoints |
Detail
What is included
Golden images per department
Accounting, legal, engineering and front office each get a versioned image. Roll a change out once and it lands everywhere that image is used.
Clean on every restart
The operating system and application layers are read only. Changes made during a session are discarded at power off, so a machine comes up pristine.
User data kept separate
Documents and profiles map to revisioned network attached storage, so wiping the OS layer never touches the work.
Smaller attack surface
No local drive means the largest attack surface on the device is simply not there. A ransomware payload that cannot persist across a reboot has a very short life.
Patching that can be undone
Updates are applied centrally to the image. A bad patch is reverted by rolling back to the previous version rather than visiting every desk.
Longer hardware life
Storage failure is the most common reason a workstation gets retired. Remove the drive and machines stay in service considerably longer, drawing less power and less cooling.
Outcome
Silent Partners Sleep Labs ran on CDOC diskless servers for more than twenty years with no workstation failures and no viral compromise.
For over 20 years, our clinic ran on custom servers by CDOC in one form or another. Since installation, the server has run flawlessly. Because the workstations do not require a hard drive, we have had no failures of our workstations, and no need to worry about viral attacks, hacking, drive crashes, operating system failures or weekly patching.
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Common questions
What is Jentu and how does diskless computing work?
Does removing the hard drive slow the computers down?
What happens to malware on a diskless endpoint?
Where does user data live if there is no local drive?
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