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See Table F-1 for the administrator commands for virtual volumes. The following acronyms are used in the table.
| Name | Capability |
|---|---|
| /usr/sbin/alcck | Check and correct allocation information. |
| /usr/sbin/catdev | Concatenate the virtual volume or SD. |
| /usr/sbin/deldev | Remove the SD, SFS/H and Virtual Volume. Remove a single partition. |
| /usr/sbin/devinfo | Report the Virtual Volume information. |
| /usr/sbin/disks | Check the devices under/dev. |
| /usr/sbin/dupconf | Set and remove the duplicated file system. |
| /usr/sbin/dupcopy | Copy the duplicated area of the file system. |
| /usr/sbin/dupmkfs | Construct a duplicated file system. |
| /usr/sbin/getvvb | Get the block number of cluster number in Virtual Volume. |
| /usr/sbin/initvvlm | Initialize the Virtual Volume. |
| /usr/sbin/mkdev | Set the physical disk device partition and Virtual Volume attribute. |
| /usr/sbin/mksfsh | Construct an SFS/H. |
| /usr/sbin/mkvl | Set a volume label or VVL and output the setting details. |
| /usr/sbin/prtvl | Print the contents of the VL. |
| /usr/sbin/vvinfo | Display the Virtual Volume configuration information. |
| /usr/sbin/vvlck | Check the VVLDEV. |
| /usr/sbin/vvlcopy | Copy the VVLDEV. |
| /usr/sbin/vvldual | Display and release the blockage of the VVLDEV. |
| /usr/sbin/vvlfresh | Update VVLDEVs on the other system. |
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See Table F-2 for the extents of the virtual volume.
| Extent | Commands/Parameters | Definition | Size |
|---|---|---|---|
| Block | __ | Fixed in the system | 4 KB |
| Staging unit | __ | Fixed in the system | 128 KB |
| Cluster | vvattr(1M), -v (The parameter files under /etc/vv/dp, or use -s.) | Site defined for each virtual volume | 4 KB, 128 KB, 256 KB, 512 KB, 1 MB, 2 MB, 4 MB (A 4 KB cluster is called a small cluster) |
| Subpartition | __ | Constant in each virtual disk device | Multiple of 4 MB |
| Partition | dkpart(1M), mkdev(1M) --p | Site defined in each virtual disk device | Multiple of subpartition |
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