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Old 05-26-2014, 07:07 AM   #1
telemark
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4TB Roamio Image community edition

Status:
Unix: Works
Mac: Experimental
Windows: VHD available...awaiting compatible cloning software.

Requires:
4TB hard drive
Tivo Roamio
Computer with a free Sata or eSata port
USB docks may work, but not recommended
(many older USB docks have bugs that don't go up 4TB)

UNIX (Linux*/BSD/Mac) Command Line Installers
The autoinstaller will search for drives for one with a Tivo signature**,
download the image from the Net, and overwrite the drive with the image.

* If needing a liveCD, knoppix has been tested
** If the drive is missing a signature, booting it in a Roamio will add a signature, or you can manually add one with a hex editor [0x1492]

PC side:
1) Connect Hard Drive to Computer
2) Boot normally
3) Open Terminal, by clicking Terminal icon

4) Download Auto Installer, by typing at prompt:
wget "http://tiny.cc/c6r5gxA/autoinstall.pl"
( or wget --no-check-certificate "http://tiny.cc/c6r5gxA/autoinstall.pl" )
5) Run as root:
chmod +x autoinstall.pl
./autoinstall.pl
Monitor the drive validation, until it starts writing then
6) Take a break to let it finish

Alternate 4) Image + Basic Installer:
wget --no-check-certificate "http://tiny.cc/c6r5gxB/4TBr1.tgz"
or
wget --no-check-certificate "https://dl.dropboxusercontent.com/u/51278/Tivo/4TB/4TBr1.tgz"
bypasses safety mechanisms, so know what you're doing or
don't use..

Tivo Roamio side:
7) Connect drive
8) Turn on Power to Tivo
9) Wait until Guided Setup
(this takes about 4 mins for first boot)

Known limitations:
No data is migrated over (pytivo/kmttg backups should work)
Cable Card will likely need to be re-paired, but in a smaller number of cases, this did no apply
Not supersized
Found Tivo bug, variance in fsck mount frequency, should be inconsequential

Credits and Thank You to
jmbach - for extensive testing and lots of direction
ggieske - for tricky MFS answers and
eboydog - for initial motivation

Image and Installer Copyright 2014.
License granted for personal use within a household.
No commercial use or redistribution without prior permission.
No warranty provided.

Last edited by telemark : Yesterday at 11:22 AM.
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Old 06-01-2014, 08:52 AM   #2
compubob
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what is there to download

I do not see a link to download anything and beta test
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Old 06-01-2014, 09:03 PM   #3
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Me either
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Old 06-01-2014, 09:04 PM   #4
darkstar757
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Can you pm me the link?
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Old 06-02-2014, 10:32 PM   #5
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Quote:
Originally Posted by compubob View Post
I do not see a link to download anything and beta test
Did you see the part where you're supposed to PM him first with some info?
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Old 06-03-2014, 12:05 AM   #6
telemark
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Quote:
Originally Posted by unitron View Post
Did you see the part where you're supposed to PM him first with some info?
I clarified that after they posted, but I PM-ed everyone and never heard back. Is this a new account PM restriction thing?
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Old 06-03-2014, 10:25 PM   #7
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Quote:
Originally Posted by telemark View Post
I clarified that after they posted, but I PM-ed everyone and never heard back. Is this a new account PM restriction thing?
Might be, I don't recall the nature of the restriction but I know a couple users who were interested in a few things I listed for sale had to email directly as they weren't able to PM yet.

I might be interested but I down to a single Roamio which is a Pro at 3tb right now but I'm tempted to try your project except I'm missing a 4tb drive, but perhaps in a couple weeks....
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Old 06-03-2014, 10:59 PM   #8
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I am unable to PM, but would love to test. I have a new Roamio base model (for OTA) and a shiny new WD 4 TB WD40EZRX along with a Windows 7 computer and SATA capability (I think I answered all the questions). Would be happy to test.
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Old 06-03-2014, 10:59 PM   #9
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And I didn't PM you because I don't have 10 posts yet. Sorry.
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Old 06-08-2014, 11:56 PM   #10
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Thumbs up

I have tested telemark's image in a Roamio Plus and have not found any operational issues or problems with it yet. It will give you 637 hours of HD. Haven't found any missing gui elements and all the menus appear functional. I have a Motorola MCard and I lost pairing of the cableCARD. (Had to call Charter 3 times before I got someone who could re-pair the cableCARD to the TiVo). You do not have to do a C&DE after you boot the image to sync it to the TiVo, it works with first boot.

Major test not done on the image yet is to try to fill it up completely and see how it performs.

Telemark did a great job in developing this image.
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Old 06-17-2014, 11:55 PM   #11
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Hi, I tried this upgrade. I powered down my utility computer used to image the drive before I grabbed the pastebin URL of the run, but it all seemed to apply fine.

However, after I put the HD back in the TiVo Roamio, it gets an initial boot screen but soon after it seems to lose HDMI output now. It doesn't come back. I have the original drive, I'm gonna verify it works fine with it.

This is a 4-tuner Roamio. Any suggestions?
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Old 06-18-2014, 12:40 AM   #12
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Quote:
Originally Posted by Heretic View Post
Hi, I tried this upgrade. I powered down my utility computer used to image the drive before I grabbed the pastebin URL of the run, but it all seemed to apply fine.

However, after I put the HD back in the TiVo Roamio, it gets an initial boot screen but soon after it seems to lose HDMI output now. It doesn't come back. I have the original drive, I'm gonna verify it works fine with it.

This is a 4-tuner Roamio. Any suggestions?
Could it be trying to output a video format your TV can't handle? On the plus and Pro you can press the format button on the front panel however I forget if the basic Roamio has that same function? I can't recall if the basic has any external button function on the box, might try giving a few minutes to come up, press live TV then the clear buttons on the remote then the zoom button to see if the screen resolution changes but it should by default come up in a resolution that works.
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Old 06-18-2014, 01:42 AM   #13
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What OS did you run the install from? What kind of Hard Drive?

You can always run the install again, it doesn't matter whether you did it before.

There is a moment when a Roamio is booting the screen goes black, but it shouldn't be that way for longer than something like 20 seconds, unless somehow the box froze at that stage.

Last edited by telemark : 06-18-2014 at 01:47 AM.
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Old 06-18-2014, 07:05 AM   #14
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Consider checking if the boot partitions are the same for the original image and the 4TB image.
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Old 06-18-2014, 08:25 AM   #15
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Quote:
Originally Posted by eboydog View Post
Could it be trying to output a video format your TV can't handle? On the plus and Pro you can press the format button on the front panel however I forget if the basic Roamio has that same function? I can't recall if the basic has any external button function on the box, might try giving a few minutes to come up, press live TV then the clear buttons on the remote then the zoom button to see if the screen resolution changes but it should by default come up in a resolution that works.
I left it there all night, it comes up with an initial TiVo "Welcome" screen and then it loses signal after 10-20 seconds. Left it there all night no change.

Doubtful it is an unsupported resolution, Samsung 8-series TV.
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Old 06-18-2014, 08:40 AM   #16
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Quote:
Originally Posted by telemark View Post
What OS did you run the install from? What kind of Hard Drive?

You can always run the install again, it doesn't matter whether you did it before.

There is a moment when a Roamio is booting the screen goes black, but it shouldn't be that way for longer than something like 20 seconds, unless somehow the box froze at that stage.
Knoppix 7.2 Boot DVD on an old 2008-Dell Precision Tower.

The harddrive is: WD AV-GP WD40EURX 4TB

I booted the Roamio up before doing the upgrade and played around. There was never more than a half-second flicker switching between 480p and 1080i/p or whatever it went to next. Specifically, as it's booting, when the green light is on and begins to quickly blink back and forth between the green light and the yellowish light next to it, it immediately goes out after that quick sequence (which is typically when you can hit Pause for 2 seconds and hit the kickstart options per a Weakness page I don't have enough posts to link to). But basically right after the moment you can hit pause for 2 seconds to go into kickstart, that's when it loses output signal.

Maybe there are some differences with the smaller Roamio? I'm guessing this was only tested on Plus and Pro versions? I'll run the upgrade on the HD again and make sure I don't lose the Pastebin of the output again.
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Old 06-18-2014, 08:44 AM   #17
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Quote:
Originally Posted by jmbach View Post
Consider checking if the boot partitions are the same for the original image and the 4TB image.
Ahhh so, that's interesting. How exactly should I check them? After I ran the utility, I couldn't even display the partition table with like parted or fdisk, it didn't seem to have a valid partition setup. Maybe I needed to do a partprobe first, I forgot to do that first. I'll try again.
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Old 06-18-2014, 09:06 AM   #18
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Originally Posted by Heretic View Post
Ahhh so, that's interesting. How exactly should I check them? After I ran the utility, I couldn't even display the partition table with like parted or fdisk, it didn't seem to have a valid partition setup. Maybe I needed to do a partprobe first, I forgot to do that first. I'll try again.
I have both original and new HDs plugged into my test computer booted into Knoppix. I am unsure how to check the partition setup to compare:
Code:
knoppix@Microknoppix:~$ parted -l
Error: /dev/sda: unrecognised disk label                                  

Error: /dev/sdb: unrecognised disk label                                  

Warning: Unable to open /dev/sr0 read-write (Read-only file system).  /dev/sr0
has been opened read-only.
Error: /dev/sr0: unrecognised disk label                                  

Error: /dev/zram0: unrecognised disk label                                

Warning: Unable to open /dev/cloop0 read-write (Read-only file system).   
/dev/cloop0 has been opened read-only.
Error: /dev/cloop0: unrecognised disk label                               

knoppix@Microknoppix:~$ fdisk -l

Disk /dev/sda: 4000.8 GB, 4000787030016 bytes
255 heads, 63 sectors/track, 486401 cylinders, total 7814037168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000

Disk /dev/sda doesn't contain a valid partition table

Disk /dev/sdb: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/sdb doesn't contain a valid partition table
I'm pretty new to TiVo upgrading, not sure if there is some TiVo specific command to pull the table.
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Old 06-18-2014, 09:43 AM   #19
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Here's the output of the scripts when I run again (removed original HD first):
Code:
knoppix@Microknoppix:~$ wget "http://tiny.cc/c6r5gxA/autoinstall.pl"
--2014-06-18 10:17:52--  http://tiny.cc/c6r5gxA/autoinstall.pl
Resolving tiny.cc (tiny.cc)... 192.241.240.89
Connecting to tiny.cc (tiny.cc)|192.241.240.89|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: http://dl.dropboxusercontent.com/u/51278/Tivo/4TB/autoinstall.pl [following]
--2014-06-18 10:17:52--  http://dl.dropboxusercontent.com/u/51278/Tivo/4TB/autoinstall.pl
Resolving dl.dropboxusercontent.com (dl.dropboxusercontent.com)... 54.243.118.205, 107.21.115.150, 23.21.154.121, ...
Connecting to dl.dropboxusercontent.com (dl.dropboxusercontent.com)|54.243.118.205|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 4275 (4.2K) [text/x-perl]
Saving to: `autoinstall.pl'

100%[======================================>] 4,275       --.-K/s   in 0s      

2014-06-18 10:17:52 (278 MB/s) - `autoinstall.pl' saved [4275/4275]

knoppix@Microknoppix:~$ less autoinstall.pl 
knoppix@Microknoppix:~$ chmod +x autoinstall.pl 
knoppix@Microknoppix:~$ ./autoinstall.pl 
ls: cannot access /dev/hd?: No such file or directory
sda:
[    1.784950] sd 0:0:0:0: [sda] 7814037168 512-byte logical blocks: (4.00 TB/3.63 TiB)
[    1.784955] sd 0:0:0:0: [sda] 4096-byte physical blocks
[    1.785062] sd 0:0:0:0: [sda] Write Protect is off
[    1.785067] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    1.785113] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    1.796521]  sda: unknown partition table
[    1.796902] sd 0:0:0:0: [sda] Attached SCSI disk
4096 bytes received - [ Roamio ] - 

sdc:
0 bytes received - rejected - 

sdd:
0 bytes received - rejected - 

sde:
0 bytes received - rejected - 

sdf:
0 bytes received - rejected - 

sdg:
0 bytes received - rejected - 

sdh:
[    1.540445] sdhci: Secure Digital Host Controller Interface driver
[    1.540447] sdhci: Copyright(c) Pierre Ossman
[    1.540915] sdhci-pltfm: SDHCI platform and OF driver helper
0 bytes received - rejected - 

Target Drive /dev/sda found

Testing /dev/sda
Reading mid sector 488377323
dd if=/dev/sda bs=4096 count=1 skip=488377323 of=/dev/null 
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0198814 s, 206 kB/s
 - PASSED - 
Backing up mid sector 488377323
dd if=/dev/sda bs=4096 count=1 skip=488377323 of=/tmp/dd-test.bin 
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000167767 s, 24.4 MB/s
 - PASSED - 
Writing mid sector 488377323
dd of=/dev/sda bs=4096 count=1 seek=488377323 if=/tmp/dd-test.bin 
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00681929 s, 601 kB/s
 - PASSED - 
Reading last sector 976754645
dd if=/dev/sda bs=4096 count=1 skip=976754645 of=/dev/null 
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000143868 s, 28.5 MB/s
 - PASSED - 
Backing up last sector 976754645
dd if=/dev/sda bs=4096 count=1 skip=976754645 of=/tmp/dd-test.bin 
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000659207 s, 6.2 MB/s
 - PASSED - 
Writing last sector 976754645
dd of=/dev/sda bs=4096 count=1 seek=976754645 if=/tmp/dd-test.bin 
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 1.7071e-05 s, 240 MB/s
 - PASSED - 

Downloading image
--2014-06-18 10:19:10--  http://tiny.cc/y8r5gx
Resolving tiny.cc (tiny.cc)... 192.241.240.89
Connecting to tiny.cc (tiny.cc)|192.241.240.89|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: http://dl.dropboxusercontent.com/u/51278/Tivo/4TB/4TBr1.tgz [following]
--2014-06-18 10:19:11--  http://dl.dropboxusercontent.com/u/51278/Tivo/4TB/4TBr1.tgz
Resolving dl.dropboxusercontent.com (dl.dropboxusercontent.com)... 107.22.234.0, 184.73.187.123, 184.73.202.105, ...
Connecting to dl.dropboxusercontent.com (dl.dropboxusercontent.com)|107.22.234.0|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 41443 (40K) [application/x-gtar]
Saving to: `4TBr1.tgz'

100%[======================================>] 41,443      --.-K/s   in 0.04s   

2014-06-18 10:19:11 (1.06 MB/s) - `4TBr1.tgz' saved [41443/41443]

--2014-06-18 10:19:11--  http://tiny.cc/y8r5gxH
Resolving tiny.cc (tiny.cc)... 192.241.240.89
Connecting to tiny.cc (tiny.cc)|192.241.240.89|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: http://dl.dropboxusercontent.com/u/51278/Tivo/4TB/HASHES.txt [following]
--2014-06-18 10:19:11--  http://dl.dropboxusercontent.com/u/51278/Tivo/4TB/HASHES.txt
Resolving dl.dropboxusercontent.com (dl.dropboxusercontent.com)... 184.73.187.123, 184.73.202.105, 184.73.234.37, ...
Connecting to dl.dropboxusercontent.com (dl.dropboxusercontent.com)|184.73.187.123|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 135 [text/plain]
Saving to: `HASHES.txt'

100%[======================================>] 135         --.-K/s   in 0s      

2014-06-18 10:19:11 (15.2 MB/s) - `HASHES.txt' saved [135/135]


Locating verifier
/usr/bin/md5sum
Checking hash
3b0b8870d20d329a190423fd152da20d ? 3b0b8870d20d329a190423fd152da20d  /tmp/roamio-img/4TBr1.tgz
 - PASSED - 

Extracting
4TBr1/
4TBr1/README.txt
4TBr1/mid_3900907584.bin.gz
4TBr1/bin/
4TBr1/beg_0.bin.gz
4TBr1/install.sh
4TBr1/INSTALL.txt
4TBr1/end_7814016688.bin.gz
4TBr1/bin/bpatch
4TBr1/bin/random16r1
 - PASSED - 

Viewing License Terms:
Image and Installer, Copyright 2014, telemark of tivocommunity.com
License granted for personal use within a single household.
Commercial use or redistribution prohibited, without prior permission and license.

Image has been tested by some community members, but
NO warranty is provided.
Some support may be found on the forums.

To support future projects:
Financial or Hardware donations encouraged.

Version r1, June 7th, 2014

Proceed to permanently overwrite /dev/sda ( yes / no ) ?
yes
Starting install.sh /dev/sda 4096
Countdown to Erasing /dev/sda
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 
16 @ 304
Trying 'gunzip -c end_7814016688.bin.gz | dd bs=4096 seek=976752086 of=/dev/sda'
2560+0 records in
2560+0 records out
10485760 bytes (10 MB) copied, 0.197528 s, 53.1 MB/s
Trying 'gunzip -c mid_3900907584.bin.gz | dd bs=4096 seek=487613448 of=/dev/sda'
1527758+0 records in
1527758+0 records out
6257696768 bytes (6.3 GB) copied, 53.8071 s, 116 MB/s
Trying 'cat    beg_0.bin             | dd bs=4096 seek=0 of=/dev/sda'
8+0 records in
8+0 records out
32768 bytes (33 kB) copied, 0.00876268 s, 3.7 MB/s
No Errors Reported
OK, I just figured out the problem. I reproduced the issue with factory drive. It turned out the HDMI cable went bad, probably when I was pulling it out further to work on the TiVo. Go figure. I plugged it into the HDMI cable on one of the game consoles that I knew worked, and Viola. I put the 4TB back in, and it change resolution. It's at the "Almost there..." screen now.

Problem solved, the 4TB upgrade works great! Thanks guys.
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Old 06-18-2014, 11:17 AM   #20
telemark
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Quote:
Maybe there are some differences with the smaller Roamio? I'm guessing this was only tested on Plus and Pro versions?
N, I used the smaller basic Roamio, and jmbach used a Pro, so we have those bases well covered.

Quote:
Originally Posted by Heretic View Post
Here's the output of the scripts when I run again (removed original HD first):
Looks correct.

Quote:
OK, I just figured out the problem. I reproduced the issue with factory drive. It turned out the HDMI cable went bad, probably when I was pulling it out further to work on the TiVo. Go figure. I plugged it into the HDMI cable on one of the game consoles that I knew worked, and Viola. I put the 4TB back in, and it change resolution. It's at the "Almost there..." screen now.
Well that's an odd one, I wonder why the 1st screen would come up but not the others. I noticed with the base model, it's so light it's tricky to get the HDMI and eSata cable all the way in.

But glad it was resolved.
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Old 06-18-2014, 11:36 AM   #21
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Quote:
Originally Posted by telemark View Post
Well that's an odd one, I wonder why the 1st screen would come up but not the others. I noticed with the base model, it's so light it's tricky to get the HDMI and eSata cable all the way in.
Yea, I reseated the cable several times, and then yanked the nearest HDMI cable from the device it was in. I probably kinked the first HDMI cable or something, they are old cables. I watched it closely where it lost video before, and it was a 480i => 720p switch I believe. Might have been 480p, but I think it was 480i at bootup.

637 hours of HD and all that jazz. Sweet.
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Old 06-26-2014, 06:38 PM   #22
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So will this work with any of the Roamio Models? I have a Roamio Pro and wouldn't mind upgrading to a 4TB Seagate A/V drive.
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Old 06-26-2014, 06:51 PM   #23
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Quote:
Originally Posted by aaronwt View Post
So will this work with any of the Roamio Models? I have a Roamio Pro and wouldn't mind upgrading to a 4TB Seagate A/V drive.
Yes it will. It has been tested successfully on a Roamio Basic and a Plus. The only difference between a Pro and a Plus is the hard drive.

The Seagate A/V drive should work in the Pro. I have one in my Premiere. There was a TCF member trying to use a Seagate drive in a Roamio Basic. The unit kept on rebooting. It was thought that the power requirements for the Seagate drive was too much for the Basic's power supply. (The Seagate drives both A/V and non A/V draw about 3.5 watts more than a WDC equivalent)
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Last edited by jmbach : 06-26-2014 at 06:56 PM. Reason: Added info about Seagate Drives
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Old 06-26-2014, 10:29 PM   #24
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Quote:
Originally Posted by jmbach View Post
Yes it will. It has been tested successfully on a Roamio Basic and a Plus. The only difference between a Pro and a Plus is the hard drive.

The Seagate A/V drive should work in the Pro. I have one in my Premiere. There was a TCF member trying to use a Seagate drive in a Roamio Basic. The unit kept on rebooting. It was thought that the power requirements for the Seagate drive was too much for the Basic's power supply. (The Seagate drives both A/V and non A/V draw about 3.5 watts more than a WDC equivalent)
Holy Crap!! I guess the Seagate is out. I see the seagate is listed as drawing 8 watts while the WD drive is listed as drawing only 5.1 watts. I'm surprised there is such a huge difference. So if I do this I will make sure I get the 4TB WD AV-GP drive.

EDIT: Hmmm.. surprisingly the 3TB WD AV-GP drives draw 6 watts. So the 4TB version actually draws less power than the 3TB versions.
Well maybe that is one of the differences with the newest ones(WD40PURX). I'm looking at the specs for the EURX and EURS 3TB drives and the EURS for the 4TB version. I don't see the specs for the WD40PURX model.

EDIT: I found the specs for the 4TB PURX. The Power usage is the same as the 4TB EURS. THE PURX version is 1 dBA louder.
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Last edited by aaronwt : 06-26-2014 at 10:42 PM.
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Old 06-27-2014, 07:22 AM   #25
nooneuknow
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Originally Posted by aaronwt View Post
Holy Crap!! I guess the Seagate is out. I see the seagate is listed as drawing 8 watts while the WD drive is listed as drawing only 5.1 watts. I'm surprised there is such a huge difference. So if I do this I will make sure I get the 4TB WD AV-GP drive.

EDIT: Hmmm.. surprisingly the 3TB WD AV-GP drives draw 6 watts. So the 4TB version actually draws less power than the 3TB versions.
Well maybe that is one of the differences with the newest ones(WD40PURX). I'm looking at the specs for the EURX and EURS 3TB drives and the EURS for the 4TB version. I don't see the specs for the WD40PURX model.

EDIT: I found the specs for the 4TB PURX. The Power usage is the same as the 4TB EURS. THE PURX version is 1 dBA louder.
I recall an article about some of the drives using 1TB platters and others using 800GB platters, which might have something to do with the amperage, in this case. I think the differing platter technologies like, perpendicular technology, use differing thickness platters, as well. These differences can make a huge difference in spin-up current, but once spinning most of it would seem to be airflow/drag related (which more platters/heads increases).

The reviews of the Purple drive are hard to make any sense of, right now. It seems WD, across all lines, has been shiping more drives that are DOA, or fail quickly, than good ones, causing reviews on all their drives to tank. The ones with the most reviews take longer for the overall rating to move negatively. I'm not buying any more drives for a while, until this reverses. If I absolutely have to buy a drive, it's not going to be WD, for now.

If you want to be one of the first to try the Purple in a TiVo... Well, somebody has to do it. I just wish it could be without the dark cloud over WD right now.

I wouldn't worry much about the power supply stressing in a Plus/Pro. I can say that my 3TB WD Red NAS drives share the same power profile as the 3TB AV-GP and make my base Roamio wall-warts hot to the touch, if not well ventilated (worries me a bit).

I'm sure you'll keep us posted, so I need not ask...
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Old 06-27-2014, 10:51 AM   #26
telemark
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Within a line, probably total platter mass will explain the power variance, which should translate to number of platters, followed by platter thickness.

Within a manufacturer, newer drives will be more efficient given the same platter mass.

Quote:
Originally Posted by nooneuknow View Post
If you want to be one of the first to try the Purple in a TiVo... Well, somebody has to do it. I just wish it could be without the dark cloud over WD right now.
The 4TB drive on my dev bench is a Purple. So I can say it has no spin up problems and it can boot into guided setup on Roamio Basic and Premiere.

I've been meaning to check whether it can KS 54.
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Old 06-27-2014, 11:35 AM   #27
nooneuknow
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Originally Posted by telemark View Post
Within a line, probably total platter mass will explain the power variance, which should translate to number of platters, followed by platter thickness.
Within a manufacturer, newer drives will be more efficient given the same platter mass.
The 4TB drive on my dev bench is a Purple. So I can say it has no spin up problems and it can boot into guided setup on Roamio Basic and Premiere.

I've been meaning to check whether it can KS 54.
Pay particular attention to the long/extended scan, and the offline SMART data collection tests.

I never had an upgrade drive work with the TiVo non-SMART tests, but they've always done the SMART-specific ones, and all of them, until my base-Roamios and my 3TB WD Red NAS drives.

My three base-Roamios can only do self-test, short test, and conveyance tests with the Reds. The other two long tests I gave up after 4000+ minutes of running each, one one at a time, trying all three Roamios.

It could be due to a subset of the idle-timer that is specific to WD Red NAS drives, which I have yet to try adjusting/disabling. I know that a run of the usual tool for WD (wdidle3.exe) reported they all were set disabled. Then, later on I find out there's a specific tool for those drives. My WAG is that the time between the TiVo polling the drive's test status my be letting that specific timer time-out, and the tests either stop, or I just never see they have completed for some reason.
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Old 06-27-2014, 11:50 AM   #28
L David Matheny
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Quote:
Originally Posted by nooneuknow View Post
I wouldn't worry much about the power supply stressing in a Plus/Pro. I can say that my 3TB WD Red NAS drives share the same power profile as the 3TB AV-GP and make my base Roamio wall-warts hot to the touch, if not well ventilated (worries me a bit).
FWIW: I upgraded my base Roamio with a 3TB WD AV-GP drive. The unit sits out in the open, as does its wall-wart power supply. The wall-wart runs fairly warm to the touch, but I wouldn't call it "hot", at least not enough to be worrisome.
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Old 07-05-2014, 10:40 PM   #29
Heretic
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Originally Posted by nooneuknow View Post
I recall an article about some of the drives using 1TB platters and others using 800GB platters, which might have something to do with the amperage, in this case. I think the differing platter technologies like, perpendicular technology, use differing thickness platters, as well. These differences can make a huge difference in spin-up current, but once spinning most of it would seem to be airflow/drag related (which more platters/heads increases).

The reviews of the Purple drive are hard to make any sense of, right now. It seems WD, across all lines, has been shiping more drives that are DOA, or fail quickly, than good ones, causing reviews on all their drives to tank. The ones with the most reviews take longer for the overall rating to move negatively. I'm not buying any more drives for a while, until this reverses. If I absolutely have to buy a drive, it's not going to be WD, for now.

If you want to be one of the first to try the Purple in a TiVo... Well, somebody has to do it. I just wish it could be without the dark cloud over WD right now.

I wouldn't worry much about the power supply stressing in a Plus/Pro. I can say that my 3TB WD Red NAS drives share the same power profile as the 3TB AV-GP and make my base Roamio wall-warts hot to the touch, if not well ventilated (worries me a bit).

I'm sure you'll keep us posted, so I need not ask...
Hrm, I see there's now a replacement not a month after I bought the WD40EURX in the WD40PURX. I imagine the Purple will work just fine. I've used about 20% of the space in the WD40EURX, so far it's worked well and I'm happy with it. Definitely quiet. I only got the Tuning Adapter working a few days ago actually so now I'm starting to record a lot more.

I would certainly say if it failed. Picture quality on the cable provider is pretty good on some feeds. Definitely feed dependent it seems, but seems there's good potential for image quality. I had gotten the 4-tuner one to fall back to over-the-air, but now I'm regretting not starting with the Plus for the extra tuners. Oh wells!
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Old 07-05-2014, 11:58 PM   #30
nooneuknow
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Originally Posted by Heretic View Post
Hrm, I see there's now a replacement not a month after I bought the WD40EURX in the WD40PURX.
Is that going by NewEgg's auto-scripting of "newer model available"? I'm seriously believing that to be in error, or an attempt by WD to call attention to their new drive line, by misleading NewEgg.

Unless WD re-words their marketing materials and spec sheets for the Purple PURX drives, I see them more as a drive made for RAID arrays that handle AV exclusively. The Red NAS line has actually been the leader on that front (they are also AV-rated).

Then again, the AV-GP line was used in TiVos for a long time before WD ever changed the marketing and spec sheets to include TV DVR usage. One thing the AV-GP line was NEVER marketed for was use in arrays. They were always intended to be standalone drives.

The Red NAS are marketed for stand-alone and array use, while The Purple seems to not really be marketed for single-drive use (although not specifically stated as "not for use as"). Sometimes the specs say little about usage scenarios, and all there is to go by is the marketing materials.

I got the base-Roamios for OTA fallback capability too. I'm happy with that decision, and just bought more Roamios, giving me the tuners I needed, plus more storage, as well as redundancy and load-balancing.

My testing of the Red NAS outside of TiVo, is showing they start off strong at over 150MB/s max on the inner tracks (low LBAs), but steadily arc down to as low as 60MB/s on the outer tracks (high LBAs). That's with consecutive reads and writes all the way, and only one at a time. I'm not sure that those slower outer tracks are well-suited for 6-tuners of HD, or even 4...

Still doing some testing, and need to get back to it. I have determined (for certain) that the wdidle3.exe tool does NOT stop the Red NAS from parking the heads during inactivity. It will report the idle-timer disabled, but the Reds have their own tool to adjust this, which I'm about to do some testing with.
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