System disks Disk 0 and Disk 1, are cabled to a controller not associated with the disk arrays.
Disk 0 is the boot disk. The slices on Disk 0 contain file systems under the control of the operating system root directory.
Disk 1 provides additional space for dumps and memory swapping.
Boot Disk Contents
The following table lists the contents of the boot Disk 0.
|AMP identifiers file||Stores identifiers of all AMPs.|
|Configuration maps||Defines vprocs.
The configuration map lists the pdisks allocated to a clique, but does not assign them to vdisks or AMPs.
|Open PDE and operating system||Stores software under which Teradata Database is running.|
|Executable Teradata software||Includes any optional Teradata client software packages.|
|UDF libraries||Support user-defined functions and external stored procedures.|
|Copy of Teradata GDOs||Includes DBS Control Record (DBSCONTROLGDO).|
|Values||Initialize hash buckets.|