In order to ensure network devices have a sufficient storage capacity in which to write the audit logs, they need to be able to allocate audit record storage capacity. The task of allocating audit record storage capacity is usually performed during initial device setup if it is modifiable. The value for the organization-defined audit record storage requirement will depend on the amount of storage available on the network device, the anticipated volume of logs, the frequency of transfer from the network device to centralized log servers, and other factors.
Configure the number or archive files and the maximum size of the active log file to be reached prior to archiving as shown in the example below. [edit system] set syslog file LOG_FILE any info set syslog file LOG_FILE archive files 12 size 1000000