
330 IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning
free space reduces, data is written closer to the centre of the disk. Disk seek time is increased
in locating the data as the head moves away from the edge, and once found, it takes longer to
read, hindering disk I/O performance.
This means that monitoring disk space utilization is important not just for capacity reasons but
for performance also. It is not practical nor realistic to have disks with excessive free space,
however.
9.4 Windows registry options
This section details changes that can be made to the Windows registry.
For information about how to edit the registry, view ...