DISK MANAGEMENT
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• List the utilities used to create, check, and mount file systems.

newfs - used to cr ufs fs on a new partition (makeefs)

fsck -used to check a new fs. It detects and repaairs inconsistencies.

mount - used to attach a new fs to the existing hiierarchy.

devfsadm - adding dev without rebooting (combines fn of drvconfig, disks, devlinks for creating entries in /dev and /devices

• Identify the logical path name differences between physical disks and virtual disks.

fs on solaris are limited to just one partition or slice.

Using tools like Solstice DiskSuite / Sun StorEdge Vol Mgr, an admin can span a fs over more than one partition.

DiskSuite, vfs

/dev/md/rdsk/d10

/dev/md/dsk/d10

Vol Mgr, vfs

/dev/vx/rdsk/tools/binaries

/dev/vx/dsk/tools/binaries

• List the advantages of a virtual disk management application.

overcome disk capacity limitations and improve perf and reliability by supporting various RAID config.

• Identify the characteristics and functions of Solstice DiskSuite and the Sun StorEdge Volume Manager.

Disksuite combines disks that have been created using format.

A collection of existing disks or partitions makes up a metadevice.

Vol mgr manages disk space on subdisks by formatting into 2 initial partitions.

1. Slice 3 - private area that maintains info about public file system.

2. Slice 4 - used to provide disk space to cr new volumes.