Guralp Systems CMG-DCM - Manual (Page 61)

Operator's guide
By default, the module looks for a connected USB hard disk to use as
its primary storage medium. If no suitable storage medium can be
found, you will see the message Failed to find a USB disk
when you attempt to perform any of these actions.
Partition and format disk
Before using the CMG-DCM you should ensure that its primary hard
disk is ready to receive data by partitioning and formatting it. The
DCM uses a special journalling format for the hard disk which is
designed to maintain the integrity of your data at all times.
The hard disk is guaranteed to contain a FAT32-compatible filesystem,
even if a write operation fails or is aborted suddenly.
To format the disk, click Partition and format disk. You will be taken
to a confirmation page.
•
Click Format disk to format the disk and display progress. This
operation takes around 10 minutes. You
must not close the
browser window or navigate elsewhere whilst you are doing
this. Closing the browser window will abort the operation and
leave you with a partially-formatted disk.
•
If you want to close the browser window or perform other tasks,
click Format disk in background. The DCM will format the disk
but will not display its progress. You should expect it to finish
in around 10 minutes.
Whilst the disk is formatting, you will not be able to access it
from other parts of the Web page ( e.g. Disk files). If you try, the
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