Fairly new Tablo user here - however, over the years I have used an app for the Mac called SuperDuper! , when I have upgraded my computer hard drive (like moving to a larger HD or new one), it works flawlessly, even to the degree of not having to reinstall apps, docs, etc. Website: https://www.shirt-pocket.com/SuperDuper/SuperDuperDescription.html
Might be worth a try. 
As great as this is… you first must meet:
System Requirements
SuperDuper v3.2.4 requires Yosemite (macOS 10.10) or later, and is Mojave (macOS 10.14) compatible with both HFS+ and APFS volumes.
As for a tablotv device
SuperDuper! only copies APFS (Apple File System) and HFS+ (Mac OS Extended) volumes.
It uses an ext4 file system. Still, that’s not to say it’s not great for Mac users, just, probably not the tool for this task, but then, I’m not a technician.
thanks for your input
There is no official solution from the Tablo team. So your choices are to attempt to clone the existing ext4 partitions to a new disk, or to copy the recordings off using one of the many third party tools and store them in Plex or some other media management tool.
Last time I switched disks I just moved all the recordings to Plex. It’s the easiest solution. But you cannot move them back to the Tablo’s new drive after you swap it.
Thanks for your reply. This is a WD GREEN WD20EZRX and based on my research, it does do an auto park. I can see how that would be an issue for the Tablo (assuming the Tablo isn’t smart enough to do something to wake up the drive before reading/writing to it and assuming the drive is a tad slow responding at times based on the intermittent nature of this issue). I looked at downloading WDIDLE3 but Western Digital warns against using it for drives other than “those listed” and frankly since this drive is approaching 2+ years old I’m thinking I should replace it.
Thanks again for the informative reply
Thanks - we have a pretty extensive recording library. Cannot imagine how we would organize it in Plex without significant time investment. I’ll look at cloning - I have the technical ability just not sure if the recorded material is important enough to bother.
Appreciate your reply
I’ve been using WD green EZRX, a 500gb and 3tb - never had an “auto park” issue. These aren’t new drive though, it may appear in different generations. Drives should last well over +2yrs IMOH.
Being a mac user, you might want to look at capto to retrieve your shows. It’s a third party program for exporting recordings. (there was mac issues, not sure if it’s resolved, and/or older version might)
SurLaTablo works just just fine on Macs.
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I got to say I didn’t do anything that special to copy to my new drive.
- Unplug old drive.
- Plug in new drive to Tablo.
- Let the Tablo format the new drive.
- Unplug the new drive.
- Connect both drives to your computer. * Window users see the bullet point below.
- Copy contents from the old drive to the new drive with any tool you like. No cloning needed.
- Plug the new drive into your Tablo. It took my Tablo a little bit to recognize the new drive.
- Windows does not support the Tablo drive format natively. You can get around this by using a Linux live CD or by downloading “Linux file system for Windows” by paragon software.
https://www.paragon-software.com/us/home/linuxfs-windows
TIP: If you can attach your drives directly to your computer via SATA the speed will increase dramatically. There is no gain in performance using a USB 3.0 drive with you Tablo but if your computer supports USB 3.0 that can speed up data transfer between drives so it may be worth it to buy the faster drive.
TIP2: This process will take a long time if you have a lot of files. Do it overnight or when your Tablo won’t be in use for a while.
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I concur, I used rsync and did copy things back to the tablo re-formated drive… Some say it doesn’t work, others have no problem - true it’s an unsupported, by tablo, method. Considering we’re talking about possibly failing drives, it’s all unreliable, but unlikely to damage your new drive trying.
This may seem trivial to you, it’s not the Tablo drives format! Ext4 is an opensource file system the tablo uses.
I consider it reasonably simple because if you follow the steps and let the Tablo format the drive you can download a free program for Windows which I linked above. It’s trial ware but it gets the job done. It would be really great if some wrote a Tablo transfer utility or if Tablo would open up that second USB interface for the purpose of drive backup.
Here is what I imagine. You plug a new drive into the Tablo. The Tablo asks if you want to make the drive your new primary storage. It would let you know the new drive will be formatted and all data will be lost.
Next the Tablo would ask if you wanted to Transfer all media or select the media you want to transfer.
All new recordings will be saved to the new drive. This process would take quite a long time and I think the transfer process should only be run during hours when the Tablo is not otherwise busy.
The user would be told not to unplug any drive until notified. Once the transfer process is completed a notification would appear each time the Tablo app was opened letting them know the old drive should now be removed.
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I understand your method and used it myself. Misunderstanding, you implied the format type was Tablo’s - “the Tablo drive format”. Although trivial, the ‘format’ or file system is an opensource file system, ext4… not tablo’s format
Yes, if the original drive is still accessible and readable, I’m not sure why tablo make it a “can’t be done”. You describe a rather user-friendly option. It probably could be scripted by someone with a bit of skills, so users don’t need to understand the tech behind it.
That was not meant to come across that way. I meant the format Tablo uses.
Definitely not “my method”. Someone else came up with it.
EDIT:. I don’t see the post I followed but here is someone else’s instructions.
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Maybe not those steps, but this…
… whole process doesn’t sound all that unrealistic. Although it’s beyond me, the tablo could transfer files over the local network to the new drive, possibly attached to a pc. But there’s overheard with file sharing which would be difficult over multiple platforms mix available.
Maybe they could support a USB hub so you can connect both drives to the tablo. Then have some app settings as you envisioned, now that would cool.
The 4 tuner has two USB ports. I didn’t realize the other units didn’t but a hub would do it in that case assuming they added support.
The whole copy disk issue has been discussed for at least 3 1/2 years.
Both the original Tablo models had two USB ports.
But there were other priorities and once the various rippers were developed it fell off the radar. But since various other DVR providers, such as Tivo and Recast, provide this capability maybe this feature will make it as a high priority.
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I appreciate 3rd party work-arounds. Backup and/or swapping drives is not primary function for the tablo device. Still, having a second USB port (3.0 yet) would really make it nearly painless for (some) users. Yet, it’s something most likely only a small set would make use of. I would almost suspect, for a programmer/developer it’s not complex. Making it user-friendly for vast degrees of understanding and various mix hardware may add unnecessary overhead. 
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I’ve seen some tools to do this automatically.
If Tablo uses an ext4 file system the Clonezilla might work:
- Many File systems are supported: (1) ext2, ext3, ext4, reiserfs, reiser4, xfs, jfs, btrfs, f2fs and nilfs2 of GNU/Linux, (2) FAT12, FAT16, FAT32, NTFS of MS Windows, (3) HFS+ of Mac OS, (4) UFS of FreeBSD, NetBSD, and OpenBSD, (5) minix of Minix, and (6) VMFS3 and VMFS5 of VMWare ESX. Therefore you can clone GNU/Linux, MS windows, Intel-based Mac OS, FreeBSD, NetBSD, OpenBSD, Minix, VMWare ESX and Chrome OS/Chromium OS, no matter it’s 32-bit (x86) or 64-bit (x86-64) OS. For these file systems, only used blocks in partition are saved and restored by Partclone. For unsupported file system, sector-to-sector copy is done by dd in Clonezilla.
- LVM2 (LVM version 1 is not) under GNU/Linux is supported.
- Boot loader, including grub (version 1 and version 2) and syslinux, could be reinstalled.
- Both MBR and GPT partition formats of hard drive are supported. Clonezilla live also can be booted on a BIOS or uEFI machine.
- Unattended mode is supported. Almost all steps can be done via commands and options. You can also use a lot of boot parameters to customize your own imaging and cloning.
- One image restoring to multiple local devices is supported.
- Image could be encrypted. This is done with ecryptfs, a POSIX-compliant enterprise cryptographic stacked filesystem.
- Multicast is supported in Clonezilla SE, which is suitable for massive clone. You can also remotely use it to save or restore a bunch of computers if PXE and Wake-on-LAN are supported in your clients.
- The image file can be on local disk, ssh server, samba server, NFS server or WebDAV server.
- AES-256 encryption could be used to secures data access, storage and transfer.
- Based on Partclone (default), Partimage (optional), ntfsclone (optional), or dd to image or clone a partition. However, Clonezilla, containing some other programs, can save and restore not only partitions, but also a whole disk.
- By using another free software drbl-winroll, which is also developed by us, the hostname, group, and SID of cloned MS windows machine can be automatically changed.
Another option is Acronis True Image: https://www.acronis.com/en-us/personal/true-image-features/
It does use ext4. I’ve mentioned using clonezilla live previously. One note it clones, drive/partition to drive/partition. So if old and new are the same size, great. If you’re going to a larger drive you’ll need to resize the new drive. But it is otherwise useful for this.
Depends on your situation. If you’re a Windows user, using a a live boot like gparted or clonzilla for cloning might save some frustration
One easy method, let the tablo partition and format the new drive. Use, for example, a Linux Mint live, if you live in windows, and then just copy (rsync works great for this) the files over.
There are various routes. If you’re bold and know exactly what you’re doing you could use dd.
Thanks for all the good input on this topic - below is what I wound up doing:
- Downloaded & installed Tablo Ripper - GREAT TOOL. I organized all the series each into it’s own folder and pointed Kodi at the folders for “TV Shows”. Works like a champ
- Installed a WD Elements 2TB - so far so good. I wound up doing a factory reset to get the Tablo to format and recognize the drive. Unfortunately, that cleared all my recording preferences so I had to go back in and select shows I want recorded going forward on the new drive.
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