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Old 02-21-2014, 07:15 AM   #1
eboydog
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Is the 4tb drive upgrade public yet?

Is the single internal 4tb drive upgrade public yet (other than commercial folks at Weaknees)?
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Old 02-21-2014, 07:28 AM   #2
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No. I'm working on it, but spare time has been in short supply lately.
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Old 03-08-2014, 10:26 AM   #3
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No. I'm working on it, but spare time has been in short supply lately.
Well, I can help some (I've been doing Linux low level work for 15 years, but never dealt with multi-terrabyte drives). I just bought a tivo roamio with a 4TB AV-GP and of course I'm having a problem.

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Old 03-08-2014, 11:57 AM   #4
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What is good solution to preform a secter backup of a Roamio drive? I'm becoming more concerned that I may have a defective drive in my upgrade Roamio. I would like to do a image backup of the drive with the idea of cloning it back to the exact size drive should I replace it.

I have seen some utilities that claim to be able to do a sector by sector imaging of a drive and wonder if that might work to make a backup of the drive so that no recordings are lost. HDDGURU comes to mind....
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Old 03-08-2014, 01:56 PM   #5
L David Matheny
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What is good solution to preform a secter backup of a Roamio drive? I'm becoming more concerned that I may have a defective drive in my upgrade Roamio. I would like to do a image backup of the drive with the idea of cloning it back to the exact size drive should I replace it.

I have seen some utilities that claim to be able to do a sector by sector imaging of a drive and wonder if that might work to make a backup of the drive so that no recordings are lost. HDDGURU comes to mind....
You could try cloning the drive with Gnu ddrescue as found on the Ubuntu Rescue Remix CD (similar I believe to what is used by JMFS, but possibly newer).
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Old 03-08-2014, 03:40 PM   #6
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Not sure if that will work as that attempts to back up the partions doesn't it? The only thing I'm aware of is a complete HD backup image by doing a secter by sector backup.

I don't care to be able to expand it to a different disk but to be able to copy the image back to the exact same model drive. I already have about 1.5tb in use on my Roamio and hate to lose that by starting over with a new disk if I can prevent it.

My other concern is that I have bought a few HD movies from Amazon and hate to lose them should the drive go bad, if I can pull the drive out, image it and put it back in. If the drive goes bad, ALL I need to do is buy a new 3tb drive (same model as I have already) , put the backup image on it and technically if it's a exact copy, I won't lose anything, right?
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Old 03-08-2014, 04:31 PM   #7
L David Matheny
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Not sure if that will work as that attempts to back up the partions doesn't it? The only thing I'm aware of is a complete HD backup image by doing a secter by sector backup.

I don't care to be able to expand it to a different disk but to be able to copy the image back to the exact same model drive. I already have about 1.5tb in use on my Roamio and hate to lose that by starting over with a new disk if I can prevent it.

My other concern is that I have bought a few HD movies from Amazon and hate to lose them should the drive go bad, if I can pull the drive out, image it and put it back in. If the drive goes bad, ALL I need to do is buy a new 3tb drive (same model as I have already) , put the backup image on it and technically if it's a exact copy, I won't lose anything, right?
I'm not familiar with all of its capabilities, but as I have used it ddrescue doesn't know or care about partitions. It doesn't make an "image" of a drive; it just "Xeroxes" the drive sector-by-sector to another identical-sized drive (or maybe to a larger drive). If you want to expand a TiVo drive to a larger drive (to use all of the space), you have to use other capabilities of something like JMFS or maybe ggieseke's DvrBARS. And anytime you make an exact copy, you shouldn't lose anything.
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Old 03-08-2014, 05:18 PM   #8
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Not sure if that will work as that attempts to back up the partions doesn't it? The only thing I'm aware of is a complete HD backup image by doing a secter by sector backup.
dd (and it's offshoot ddrescue) copy all bytes from <source> to <target>. No thought, no interpretation, they don't give a fig what those bytes are or how they're laid out. If you want a direct copy of all the bytes on device a, onto device b, then dd/ddrescue is the first choice.
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