System and method of processing failure

1. A system, comprising:

a first processing unit;

a second processing unit; and

devices connected to the first processing unit via a first route and connected to the second processing unit via a second route,

wherein the first processing unit includes,

a first obtaining unit that obtains failure information held by the devices via the first route when a failure occurs in the system, and

a first notification unit that notifies to the second processing unit non-response information indicating a state in which the failure information is not able to be obtained when the failure information is not able to be obtained from the devices by the first obtaining unit,

the second processing unit includes,

a second obtaining unit that obtains the failure information from the devices via the second route when the non-response information is notified from the first notification unit,

a failure location estimation unit that estimates a failure causing location on the basis of the failure information obtained by the second obtaining unit, and

a second notification unit that notifies the failure location estimated by the failure location estimation unit to the first processing unit, and

the first processing unit includes,

an identification unit that identifies a subject using the failure location estimated by the failure location estimation unit, and

a termination unit that terminates the subject identified by the identification unit.

2. The system according to claim 1 , wherein the plurality of devices are provided,

the plurality of devices are connected to each other in multiple stages via the first route with the first processing unit as an upper level, and

the second obtaining unit obtains via the second route failure information which is not obtained by the first obtaining unit.

3. The system according to claim 2 , wherein the first notification unit notifies to the second processing unit positional information indicating a storage position of the failure information which is not obtained by the first obtaining unit, and

the second obtaining unit obtains the failure information which is not obtained by the first obtaining unit, on the basis of the positional information.

4. The system according to claim 3 , wherein the positional information indicates a storage position of failure information held by a top-level device, among the failure information which is not obtained by the first obtaining unit, and

the second obtaining unit obtains the failure information held by the top-level device and failure information held by a device connected to a lower level of the top-level device, on the basis of the positional information.

5. The system according to claim 4 , further comprising a generation unit that generates system failure information on the basis of a failure causing location (hereinafter, referred to as a second failure causing location) estimated by the second failure location estimation unit and failure information of the second failure causing location.

6. The system according to claim 5 , wherein the first processing unit includes,

a first failure location estimation unit that estimates a failure causing location on the basis of the failure information obtained by the first obtaining unit, and

a third notification unit that notifies a failure causing location (hereinafter, referred to as a first failure causing location) estimated by the first failure location estimation unit and failure information of the first failure causing location, to the second processing unit, and

the generation unit generates the system failure information on the basis of the first failure causing location notified by the third notification unit, the failure information of the first failure causing location, the second failure causing location, the failure information of the second failure causing location, the non-response information, and the positional information.

7. The system according to claim 1 , wherein the first notification unit notifies the non-response information to the second processing unit when the first obtaining unit is not able to obtain the failure information for a predetermined time.

8. A method of processing a failure in a system including a first processing unit and a second processing unit, comprising:

obtaining, by the first processing unit, failure information held by devices connected to the first processing unit and the second processing unit via a first route and a second route respectively, via the first route when a failure occurs in the system;

notifying, by the first processing unit, to the second processing unit non-response information indicating that the devices make non-response, when failure information is not able to be obtained by the first processing unit;

obtaining, by the second processing unit, failure information from the devices via the second route when the non-response information is notified by the first processing unit;

estimating, by the second processing unit, a failure causing location on the basis of the failure information obtained by the second processing unit;

notifying, by the second processing unit, to the first processing unit the failure location estimated by the second processing unit;

identifying, by the first processing unit, a subject using the failure location estimated by the second processing unit; and

terminating the subject identified by the first processing unit.