............................Contents


1. Disk Management for the SPARCstorage Array	1-1
..1.1 Description of Fast Write	1-2
..1.2 Description of Reserve/Release	1-4
..1.3 Installing the Software	1-4
2. Using the Standard SPARCstorage Array Software	2-1
..2.1 Reserving and Releasing Drives	2-1
.....2.1.1 Reserving and Releasing All Drives in a SPARCstorage
..........Array	2-2
.....2.1.2 Reserving and Releasing Single Disks	2-3
..2.2 Setting Fast Writes	2-4
.....2.2.1 Setting Fast Writes at the Controller Level	2-4
.....2.2.2 Setting Fast Writes at the Drive Level	2-4
..2.3 Spinning Up and Spinning Down Disk Drives	2-5
.....2.3.1 Spinning Up and Spinning Down All Drives in an
..........Array	2-5


.....2.3.2 Spinning Up and Spinning Down All Drives in a Disk
..........Tray	2-6
.....2.3.3 Spinning Up and Spinning Down Individual Disk
..........Drives	2-6
..2.4 Displaying Properties of a SPARCstorage Array	2-7
..2.5 Displaying Properties of a SPARCstorage Array Disk	2-9
..2.6 Displaying Activity Levels on SPARCstorage Array Disks
................................................2-10
3. Performing Service-Related Software Tasks	3-1
..3.1 Flushing or Purging Outstanding Writes from NVRAM.	3-1
.....3.1.1 Flushing Outstanding Writes from NVRAM to a Disk
..........Drive	3-2
.....3.1.2 Purging Writes from NVRAM	3-2
..3.2 When Powering Down the SPARCstorage Array	3-3
.....3.2.1 Preliminary Software Tasks	3-3
.....3.2.2 Stopping All Drives in the SPARCstorage Array	3-4
..3.3 When Replacing a Physical Disk Drive in the SPARCstorage
......Array	3-4
.....3.3.1 Before Replacing a Drive	3-4
.....3.3.2 After Replacing a Drive	3-5
..3.4 When Replacing a Drive Tray in the SPARCstorage Array	3-5
.....3.4.1 Before Replacing a Drive Tray	3-6
.....3.4.2 After Replacing a Drive Tray	3-6
..3.5 When Replacing an Array Controller	3-7
.....3.5.1 Before Replacing an Array Controller	3-7
.....3.5.2 After Replacing an Array Controller	3-7


..3.6 When Replacing All Other FRUs in the SPARCstorage Array
.................................................3-9
.....3.6.1 Preliminary Software Tasks	3-9
.....3.6.2 Stopping All Drives in the SPARCstorage Array	3-9