This topic describes the key fields that are collected by the idc-scanner tool of Cloud Migration Hub (CMH) from the servers in your data centers.
Specifications
The idc-scanner tool collects server specifications from the proc filesystem of servers under survey. The following table describes the key fields that are collected.
Field | Description |
|---|---|
CPU | The CPU model and the number of CPU cores. |
Load | The system load. |
Memory | The memory size and usage. |
Disk | The size of each disk. |
... | Others. |
Performance
The idc-scanner tool collects performance data from the proc filesystem of servers under survey. The following table describes the key fields that are collected.
Field | Description |
|---|---|
%CPU | The CPU utilization, in percentage. |
%MEM | The memory usage, in percentage. |
DISK_IOPS | The number of I/O operations per second on each disk. |
DISK_KBPS | The bandwidth of each disk. |
NET_KBPS | The network bandwidth. |
... | Others. |
Processes
The idc-scanner tool collects process data from the proc filesystem of servers under survey. The following table describes the key fields that are collected.
Field | Description |
|---|---|
PPid | The ID of the parent process. |
Pid | The ID of the process. |
Name | The abbreviation of the process name. |
VmSize | The current memory usage of the process. |
VmPeak | The peak memory usage of the process. |
VmSwap | The size of the swap space used by the process. |
State | The state of the process. |
Thread | The total number of threads in the process. |
Cmdline | The command line that is used to create the process. |
... | Others. |
Network
The idc-scanner tool collects network information from the proc filesystem of servers under survey. The idc-scanner tool also works with other tools to survey network connections. The following table describes the key fields that are collected.
Field | Description |
|---|---|
Local_Address | The IP address of the local server. |
Local_Port | The port number of the local server. |
Rem_Address | The IP address of the remote server. |
Rem_Port | The port number of the remote server. |
Pid | The ID of the process. |
Orientation | The direction of the access traffic. |
... | Others. |