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Re: CatDV Re-archive footage with Cache-A

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Rolf Howarth
Re: CatDV Re-archive footage with Cache-A
on Apr 27, 2012 at 12:17:28 am

Sorry to hear about the problems people here are experiencing with the archive plug-in.

It's true that spanned volumes are not supported.

What Tom says about restoring manually is not quite true however, as CatDV 9 will ask the Cache-A to restore files from tape to vtape. For this to work you need a reasonably up to date version of both CatDV and Cache-A firmware (within the past 6 months say), and need to enter the hostname of the Cache-A device, not just the vtape share location. We have recently learned that this may not always work realiably however: it seems that the request to restore files might sometimes not return as quickly as we thought, so we may need to increase an internal timeout value to prevent errors when issuing the restore command.

We are also aware of an issue specific to the Mac that can cause problems, both when archiving and restoring. If the Cache-A volume goes offline while using CatDV that CatDV might in some situations then create a folder on your local drive called /Volumes/Cache-A , which means that when the Cache-A is next mounted it will get the name /Volumes/Cache-A-1. To see if this has happened to you, use Finder > Go > Go To Folder and type in /Volumes. If you unmount the Cache-A and still have a folder by that name, move that folder to the trash (first checking to see if it contains any "archived" files!), then remount the Cache-A and reselect the vtape folder in the CatDV archive config settings. CatDV is supposed to protect against that happening so we're trying to find out under precisely which circumstances one of these phantom folders can appear.

We are investigating both these issues and will issue an updated version of CatDV shortly with any changes as necessary.

Regarding not being able to archive to a tape, eject it, load it again, and add more files to it I'm not aware of anything in CatDV that would stop that working, so that may be a Cache-A issue. Can you add more files to an existing tape if you use drag and drop from the Finder (or Explorer)?


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