User's Manual

398 CHAPTER 9: PERFORMANCE REPORTING
Database
management
The size of a link RRD file is fixed at 611 KB, while the size of a device
RRD file varies depending on the type of device but will range from 21 KB
to 143 KB. Assuming an average device file size this will require the
following disk space:
Table 67 Disk Space Requirements
Monitor Data source
Utilization UTIL
Utilization – Octets OCTETS
Utilization - Packets PACKETS
Utilization – In Octets IN_OCTETS
Utilization – Out Octets OUT_OCTETS
Utilization – In Packets IN_PACKETS
Utilization – Out Packets OUT_PACKETS
Broadcast (Non-unicast Packets) NON_UCAST
Broadcast -Broadcast Packets BCAST
Broadcast – Multicast Packets MCAST
Link Discards DISCARDS
Link Discards – In discards IN_DISCARDS
Link Discards – Out Discards OUT_DISCARDS
Errors ERRORS
Errors - Fragments ERR_RUNTS
Errors - Jabbers ERR_JABBERS
Errors – CRC Align ERR_CRCS
Errors – Undersize Packets ERR_UNDER
Errors – Oversize Packets ERR_OVER
Errors – In Packets ERR_IN
Errors – Out Packets ERR_OUT
Link Availability AVAIL
Collisions COLLS
Monitored links
Monitored
devices
Disk space
100 25 62 MB
500 125 309 MB
1000 250 617 MB