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DP2 FCHECK User’s Guide August 25, 2005

Hewlett-Packard Development Company L.P.

NTL Support and Service Library

4. FCHECK –SIZE Option

Before you perform a migratory revive from a 514-byte sector disk to a disk

drive in an ESS or Fibre Channel disk drive enclosure, run FCHECK –SIZE to

ensure that the drive drive has sufficient capacity to handle any possible

increased space requirement.

The syntax for this operation is:

FCHECK –SIZE –VOL $DATA

FCHECK examines the volume directory and reports the current usage for

volume metadata, structured files, and unstructured files. In addition,

FCHECK provides the amount of space required to migrate the entire

volume to a disk drive in an ESS or Fibre Channel disk drive enclosure. The

first section of this report shows current allocated space, and the second

section shows the required allocated space for the target disk.

Disk space usages on volume (in MB):

Maximum space: 4963030

Meta data: 376

Structured data: 1897

Unstructured data: 4960757

Allocated space: 11043

Meta data: 2

Structured data: 23

Unstructured data: 11018

To revive data to an ESS/JBOD disk,

the target disk needs disk space for:

Maximum space: 5693004

Meta data: 378

Structured data: 1897

Unstructured data: 5690729

Allocated space: 12671

Meta data: 4

Structured data: 23

Unstructured data: 12644

The maximum amount of space reported is based on full allocation of all

files on the disk volume. There is typically no reason to size based on this

value, but the information is provided to ensure that the disk has sufficient

capacity for any expected increase in space requirements.

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HP Integrity NonStop Service Information Bedienungsanleitung Seite 5