Managing first level storage in a multi-host environment

Details Managing first level storage in a multi-host environment Managing first level storage in a multi-host environment

2009-05-13

2011-12-13

Lam, David (Department: 2827)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S173000, C711S162000, C711S130000, C711S117000

Reexamination Certificate

active

08078798

ABSTRACT:
A virtual tape server (VTS) and a method for managing shared first level storage, such as a disk cache, among multiple virtual tape servers are provided. Such a system and method manage first level storage to accommodate two or more host processing systems by maintaining adequate free space in the cache for each host and by preventing one host, such as a mainframe, from taking over free space from another host, such as a Linux system.

REFERENCES:
patent: 5926834 (1999-07-01), Carlson et al.
patent: 7747816 (2010-06-01), Nourmohamadian et al.

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