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Any IP VCR folder (including the root) can be configured to link to an external Network File System (NFS) location.
Recordings in a folder configured to link to an NFS location can either physically be stored on the IP VCR or in the NFS location. The set of recordings associated with that folder is the combined set of those physically stored on the IP VCR (and configured to be in that folder), and those in the external location (which is linked to that folder). Recordings in the specified NFS location are visible to the IP VCR and can be played and streamed.
For each folder that you link to an NFS location (see Understanding the folders list ), you can choose to Export internal recordings or not (refer to Adding and updating folders). When Export internal recordings is selected for an NFS link for a folder:
Note that there must be sufficient space for new recordings on the IP VCR, because the recording is made onto the IP VCR in the first instance, and then exported to the NFS when complete. The Status > Recording page displays the free disk space of the IP VCR.
When Export internal recordings is not selected for an NFS link for a folder:
Recordings stored externally (and/or automatically exported) are in the .codian file format only. You can copy .codian files into the external location and they are "seen" by any IP VCR folder linked to that external location. Multiple IP VCRs can have access to the same external location (or set of external locations). The recordings stored in the external location can be played back via the IP VCR in the usual ways, or downloaded to a PC and converted into MPEG or Windows Media Video formats using the converters (available from the web site).
To ensure that multiple IP VCRs listing a single recording show consistent information, that is PIN, Numeric ID, and Name, each exported recording consists of two parts:
Each IP VCR folder that links to an external location has a separate "Register external recordings with gatekeeper" setting. When this is selected, each external recording retains its own H.323 gatekeeper and SIP registration option. If "Register external recordings with gatekeeper" is not selected then the recordings in this folder that are stored in the external location will not be accessible via the gatekeeper (unless this has been configured via another IP VCR). Note that unless an individual recording is configured to be registered with an H.323 gatekeeper, then no registration of that recording's Numeric ID will take place (refer to Viewing and updating recording details).
This enables your configuration of the IP VCR to navigate the issues that will arise if multiple IP VCRs are able to see the same set of recordings at an external location and if these recordings are registered with a gatekeeper. For example:
Note that currently there is no corresponding SIP registrar option for externally stored recordings.
NFS version 3 is supported by the IP VCR . This does not support client-based user / password authentication, instead requiring server-side access control (typically based on remote address).
The NFS server can be configured as "read-write" or "read-only". If the server is "read-only", the IP VCR will not be able to modify the XML "sidecar" file of an external recording or export recordings. If the server is "read-write", the IP VCR can modify the XML "sidecar" file of external recordings and export recordings (if the folder is in "export" mode).
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