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Home / Extras / ZAR 8.4 Manual / General usage / Partition selection

Partition selection

This page lists all the volumes available for processing. No specific ordering is enforced. Additionally, a special entry may be used to add a volume to the list manually (with an ID of FFFFFFFF).

 

ID

This is an unique volume ID used by ZAR internally to reference this particular volume. The exact numbering rules are provided below.

 

System

Operating system type. The filesystem type is displayed based on the available information (which may be discovered damaged later in process). Hence, this field does not necessarily match the filesystem type which will be recovered.

 

Offset

  • For simple volumes, this indicates the distance from a start of the device to the start of the volume (expressed in megabytes).
  • For RAID/spanned volumes, the volume RAID type will be indicated in this field. For a full layout information, right-click on the volume, then select "Volume Details" in the popup menu.

 

Size

This field shows the volume size. The total volume size is displayed for a RAID/spanned volume; the size of the individual segments can be viewed via "Volume Details" (same as the above).

 

Origin

Indicates the method used to get the information about the volume. Five values are possible:
  • MBR/Primary - Volume information is found in the old-style partition table directly (this is the primary partition).
  • MBR/Extended - Volume information is found in the old-style extended partition chain (this is the logical drive in the extended partition)
  • LDM (Dynamic) - The information is derived from Windows 2000 or higher dynamic disks (LDM) database. This volume may be a RAID/spanned.
  • Scan - This entry describes a possible volume found by searching the disk directly (only appears after the scanning for missing partitions)
  • User input - the volume you had specified manually

 

Actions available via popup menu (right click the volume in the list)

 

Volume details

Lists the volume information, including
  • Filesystem type
  • RAID/spanned layout type (e.g. RAID0 or RAID5)
  • RAID stripe size, in sectors (always 1 for simple volumes)
  • RAID/spanned volume layout (length, allocation, and order of segments)

 

Specify the volume manually

Use this option when you do not see the volume you need recovered in the list. More details available here. Once you enter the values as required, program will return to the partition list. The same result may be achieved by selecting a special "Define volume" entry, then clicking "Proceed >>" button.

 

Scan for missing volumes

Starts an automated search for remains of the volumes on the device (see scanning for missing partitions).

 

Volume numbering rules

Each volume is assigned the unique ID. This ID is in the form of XXXXYYZZ, where
  • XXXX is a physical device ID (or zero for volumes spanning several devices, like RAID volumes)
  • YY is the volume origin (00 - basic, 01 - dynamic, 02 - volume found by the scan routine, 03 - manually specified)
  • ZZ is the sequential number of the volume

<<Physical device selectionGeneral usageAnalysis run>>

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