Managing Snapshots of Virtual Server

A method comprising:

• acquiring configuration information and a system log for a virtual server running on an external computer connected via a network to form a snapshot of the virtual server;
• comparing the acquired system log and an existing system log specified on the basis of the acquired configuration information;
• extracting relation information on the relation between the acquired configuration information and another configuration information acquired from the same virtual server;
• and
• storing the acquired configuration information and system log in a configuration information storage unit in association with snapshot identification information identifying the configuration information of the virtual server.

A computer program product comprising a computer readable device having a computer readable program stored therein, wherein the computer readable program, when executed on a computing device, causes the computing device to:

• acquire configuration information and a system log for a virtual server running on an external computer connected via a network to form a snapshot of the virtual server;
• compare the acquired system log and an existing system log specified on the basis of the acquired configuration information;
• extract relation information on the relation between the acquired configuration information and another configuration information acquired from the same virtual server;
• and
• store a snapshot comprising the acquired configuration information and system log in a configuration information storage unit in association with snapshot identification information identifying the configuration information of the virtual server.