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Home / Extras / ZAR 8.4 Manual / General usage / Physical device selection

Physical device selection

This page lists all the devices available for processing. No specific ordering is enforced. If you do not see the device you need in the list (especially when working with a digital camera memory), try switching access mode in options between "physical" and "logical" devices.

 

Device ID
This an unique device ID used by ZAR internally to reference this particular device. This ID is used when referencing the device in the log file. Numbering rules1 are provided below.

 

Model
The device model name and number, if available. If access via logical drives is configured, the drive letter will be displayed along with the model number.

 

Type
Displays the device type. This can be one of the following:
  • "Fixed" - non-removable device like a built-in hard disk
  • "Removable" - removable device like the USB disk.
  • "Image file" indicates that the device image file is used rather than a physical device.

 

Capacity
This field displays the device capacity. Missing (or otherwise inaccessible) image files are not removed from the list, but will show a capacity of zero bytes.

 

Status
Indicates the device self-diagnostic status, if available. There are three possible status values:
  • "OK" - indicates the device is still in at least relatively good shape
  • "Failed" - indicates that the device self-diagnostics has detected some serious failure (e.g. S.M.A.R.T. thresholds are exceeded)
  • "Unknown" - indicates that the device is not capable of self-diagnostics

Disk image files always display "OK" status.

 

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

 

Device details
Displays information about the device. The following details will be listed if available:
  • Vendor ID
  • Model name
  • Revision
  • Serial number
  • If the device is removable or not
  • If the device supports tagged queuing or not
  • Device attachment bus type
  • If the device is S.M.A.R.T. capable or not.

 

S.M.A.R.T. status
Displays the dump of the device S.M.A.R.T. information. For more details about interpreting this information, please refer to the S.M.A.R.T. quick reference.

 

Create image file
Use this function to create the image of the device in the file. "Image file" is just a sector-by-sector copy of the device contents. Bad (unreadable) sectors are replaced with zeros (subject to bad sector handling settings).

Two restrictions apply:

  • You cannot save the file larger than 2GB on the FAT volume. This is because of the limitation of a FAT filesystem (applicable to both FAT16 and FAT32). You thus cannot take an image of the physical disk larger than 2GB and save it on to the FAT volume.
  • You cannot take an image file of the image file. This option will be disabled for image files.

 

Load image file
Use this function to load previously created image file. You can load the image file created by third-party software if it is in proper format (plain sector-by-sector copy).

 

Miscellaneous information

 

Device numbering rules
Device unique identifiers are in the form of XXYY, where XX may be either 01 for a physical/logical (depending on the access method) drive or 02 for an image file. YY is just a sequential number of the device.

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