IBM Support

About limits on the number of VOBs stored on a single VOB server

Question & Answer


Are there any limits on the number of IBM® Rational® ClearCase® VOBs that can be stored on one VOB server?


There is no hard limit documented by IBM Rational for how many VOBs can be stored on a single system.

There are various limitations to the number of VOBs that can be accessed simultaneously on any one system. These include a combination of ClearCase and Operating System limitations.

ClearCase limitations related but not limited to:

Note: Review the IBM Rational ClearCase Administrator's Guide for more details:

Operating System limits and restrictions including but not limited to:

  • Maximum number of open file handles
  • Maximum group membership per user
  • Maximum number of concurrent processes
  • Memory, CPU and Disk I/O restrictions

Note: Review the related operating system documentation (that was provider by the vendor) for more information on these and other restrictions that may impact the number of VOBs on a single server.

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Document Information

Modified date:
16 June 2018