With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
fsDiskBadBlocksPercentage
fs Disk Bad Blocks Percentage
This attribute records the percentage of the disk space lost because of defects. If this percentage is high, it is recommended to change the disk.
Back to Nortel-Magellan-Passport-FileSystemMIB MIB page.
IPHost Network monitor allows you to monitor fsDiskBadBlocksPercentage on Allied Telesis device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Nortel multiplexers right now.