1. A method for providing high availability at a virtual logical unit number server (VS), the method comprising:
detecting a heartbeat timeout between a first VS and a second VS in a service-group cluster, the first VS having a first VS write region, the second VS having a second VS write region, and the first VS and the second VS sharing an ownership region;
writing an identifier associated with the first VS into a first VS write region when it is determined that the second VS write region is clear;
writing the ownership region when it is determined that the ownership region is clear; and
operating the first VS as the standalone master VS upon writing the ownership region.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A special measuring bottle for measuring volume of solid, including:
a bottle body, which is provided to be filled with a liquid and has an accommodating cavity to be accommodated with a sample solid and a reading cavity arranged a plurality of graduations available for reading a level position of the liquid and communicating with the accommodating cavity, a size of an inner edge of which is larger than that of the reading cavity, and which is formed an opening to let the sample solid pass through; and
a lid body, which is sealed at the opening as a shroud.
2. The special measuring bottle for measuring volume of solid according to claim 1, wherein the bottle body is formed with a calibrating mark, corresponding to which the lid body is formed with a positioning mark.
3. The special measuring bottle for measuring volume of solid according to claim 1, wherein the bottle body is shown as a cylindrical shape.
4. The special measuring bottle for measuring volume of solid according to claim 3, wherein the bottle body is formed with an external thread, engaged with which an internal thread is formed on a peripheral wall of the lid body.
5. The special measuring bottle for measuring volume of solid according to claim 1, wherein a shallow cone surface is formed at an inner bottom wall of the lid body.