The maximum number of stripes that Backup Server can use is limited by the maximum number of Open Server threads it can create. Open Server imposes a maximum limit of 12k on the number of threads an application can create.
Backup Server creates one service thread for each stripe. Therefore, the maximum number of local stripes Backup Server can dump to or load from is 12,288.
As an additional limitation, Backup Server uses two file descriptors for each stripe, apart from the file descriptors associated with the error log file, interfaces file, and other system files. However, there is a per-thread limitation imposed by the operating system on the number of file descriptors. Open Server has a limitation of 1280 on the number of file descriptors that an application can keep track of.
The formula for determining the approximate maximum number of local stripes to which Backup Server can dump is:
The formula for determining the approximate maximum number of remote stripes to which Backup Server can dump is:
For details about the default and maximum file descriptor limits, see your operating system documentation.
