DISKVOLUMES

Determines where index and data files are stored.

Use DISKVOLUMES only if you need backward compatibility with earlier releases, or if you are setting up a large number of databases at the same time with the same DISKVOLUMES value. Otherwise, to set or change disk volumes, use Administration Services or MaxL. For more information, see the online help or HTML documentation for those components.

This setting does not apply to aggregate storage databases.

Syntax

DISKVOLUMES [volume_name] [disk_space]...

volume_name The name of the directory where a hard disk is mounted. NFS or floppy drives (including CD) are not recommended because of reliability and performance issues.

On NT, volume_name is a letter corresponding to a disk drive.

On UNIX, volume_name is a UNIX file path that you must specify up to the directory that you are using for Analytic Services (see Example). Do not specify the /app directory; Analytic Services appends /app automatically.
disk_space The maximum number of bytes allocated to the volume.
Specify this setting in bytes, kilobytes (K), megabytes (M) or gigabytes (G). Do not use commas or spaces. Avoid decimals (such as 2.5G).

If you enter a value without a qualifier (K, M, or G):
  • The value is read as bytes.
  • The maximum value is 2147483648 (231).
  • If you need to specify a value over 231, you must use a qualifier (K, M, or G); for example, 2000G.
If you enter a value with a qualifier (K, M, or G):
  • The acceptable value range per volume is 0 - 2 terabytes. Do not exceed this amount by specifying, for example, 50000G.
If you do not specify DISKVOLUMES at all, Analytic Services uses only the volume where your ARBORPATH directory resides.

If you specify volume_name without specifying disk_space, all the disk space on that volume is used as needed.

If you do not specify volume_name, Analytic Services uses the volume where your ARBORPATH directory resides.

DISKVOLUMES, with its values, can be up to 2 kilobytes long. You can specify 64 items per line; for example, DISKVOLUMES D 5M E 2M C 5G contains 7 items.

Description

DISKVOLUMES defines the volumes that can be used to store multiple index and data files, and the amount of space that those volumes can occupy.

Notes

Example

On NT:

DISKVOLUMES D 5M E 2M C 5G

causes index and data files to be stored as follows:

On UNIX platforms:

DISKVOLUMES /vol2/essbase 5M /vol3/essbase 2M /vol1/essbase 5G

causes index and data files to be stored as follows:

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