With the latest Cohesity 4.0 release, we have made significant enhancements to our Distributed File Services and the storage abstractions presentations that are provided by the Cohesity DataPlatform. One of those enhancements is the support for write-once-read-many (WORM) file systems within Cohesity Views. Cohesity Views are logical constructs that are utilized a storage location with NFS and SMB mount paths on the Cohesity Cluster. Views are used to store data such as files, backup Snapshots, and cloned VMs.

Write once read many (WORM) is a data integrity and write protection functionality that is applied onto storage devices to prevent modification of information once data has been written. This is a feature that assures that information or data cannot be altered once is written and stored on a storage device. This feature and its capabilities greatly utilized for regulatory or corporate compliance in many industries where long-term retention or archival is mandated by government or corporate regulations or compliance rules. The long-term data retention periods can be in the range of days to multiple years.

In fact, financial services organization such as securities clearinghouses, large banks, broker-dealers, and others must adhere to Securities and Exchange Commission rules such as SEC Rule 17a-4(f) which specify that the preservation of electronic records must be exclusively performed in a non-rewriteable and non-erasable format. This is demanding the use of the WORM functionalities for data integrity/write protection. These types of requirements aren’t unique to financial institutions as different types of organizations in other industries are obligated to adhere to similar requirements when storing mission-critical information.

Enterprise organizations of any industry that are obligated to adhere to regulatory compliance acts for the preservation of electronic records in a non-rewriteable and non-erasable format can use Cohesity for long or even short-term retention requirements. Cohesity provides an intuitive management and configuration model for the setup and maintenance of Cohesity Views enable with WORM. The screenshot below illustrates the creation of a View that is enabled with WORM. In Typical Cohesity fashion, this happens with very little effort as the regular View cloned onto a separate View which will then be enabled with WORM capabilities. You can also see where the end date is set for the data integrity/write protection functionality.


With this capability, Cohesity is yet again eliminating another potential infrastructure silo from the enterprise data center that may be needed to adhere to these types of requirements. With the support for WORM, Cohesity is expanding the security and data integrity features of the DataPlatform and continuing the path of redefining enterprise secondary storage the hyperconverged way.

Here is demostration of the setup and configuration procedures for enabling Write once read many (WORM) on Cohesity 4.0 clusters:

For more information, please visit the Cohesity site and download the solutions data sheet from the resource page.
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