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*Official* WD TV Live Hub Thread - Page 69

post #2041 of 2241
WDTV is probably 100 mbps/half duplex.
This is a long way down from gigabit, full duplex.

Another point is disk caching.
I wrote a disk benchmark program that shows the steady state transfer rate does not settle down until 4gb or more is transferred.
Less than 4gb varies wildly, as you noted, due to caching.

The test method is loading a memory buffer of random data, then creating and writing a file on the device under test.
The memory buffer eliminates any disk-reads and delays for the testing program.
The device under test is written at the maximum rate it can accept data.

The buffer-write method shows you the highest possible data rate the target device can receive.
Note this is different than a file copy, which will be slower due to source disk reads.

Everything slows down to the speed of the slowest component.
Using a crossover cable removes and store-and-forward latency in network switches.
I have not tested this, but my gut suspicion is a crossover cable won't buy you any noticeable improvement.
post #2042 of 2241
Quote:
Originally Posted by bgavin View Post

WDTV is probably 100 mbps/half duplex.
This is a long way down from gigabit, full duplex.
Another point is disk caching.
I wrote a disk benchmark program that shows the steady state transfer rate does not settle down until 4gb or more is transferred.
Less than 4gb varies wildly, as you noted, due to caching.
The test method is loading a memory buffer of random data, then creating and writing a file on the device under test.
The memory buffer eliminates any disk-reads and delays for the testing program.
The device under test is written at the maximum rate it can accept data.
The buffer-write method shows you the highest possible data rate the target device can receive.
Note this is different than a file copy, which will be slower due to source disk reads.
Everything slows down to the speed of the slowest component.
Using a crossover cable removes and store-and-forward latency in network switches.
I have not tested this, but my gut suspicion is a crossover cable won't buy you any noticeable improvement.

What method do you use to transfer a large amount of files over? I have another movie library (about 30 movies, 50GB worth), to transfer over. I planned on using the USB method.
post #2043 of 2241
The Hub is Gig/Full duplex.

It's just got a tiny processor.

Dollars to Donuts that if you could look at the CPU history during a file transfer, it's probably pegged at 100%.

Store-and-forward latency is really a myth except in extreme situations.

I've built datacenter networks with 8-10 switch / router hops between compute and storage nodes -- and they can still push 10 Gbits/second quite easily if I allow it. smile.gif
Latency doesn't really become terribly apparent until 1ms or higher -- and gig switch latency is measured in sub-microseconds.
post #2044 of 2241
Indeed.

However, I support data centers that use far better and faster gear than a Netgear home router or switch.
Backplane routing in a C7000 is without a doubt blindingly fast.
Other than LAN speed settings, the network hardware is most likely not a culprit.

50GB over USB will be agonizingly slow.
When I have to migrate 2TB drives, I either do a direct SATA hookup, or start at bedtime and check in the morning.
post #2045 of 2241
Quote:
Originally Posted by bgavin View Post

Indeed.
However, I support data centers that use far better and faster gear than a Netgear home router or switch.
Backplane routing in a C7000 is without a doubt blindingly fast.
Other than LAN speed settings, the network hardware is most likely not a culprit.
50GB over USB will be agonizingly slow.
When I have to migrate 2TB drives, I either do a direct SATA hookup, or start at bedtime and check in the morning.

direct SATA hookup meaning you remove the drive from the WDTV Hub?
post #2046 of 2241
Quote:
Originally Posted by bgavin View Post

Indeed.
However, I support data centers that use far better and faster gear than a Netgear home router or switch.
Backplane routing in a C7000 is without a doubt blindingly fast.

Don't undersell today's SoHo switches -- they're just as fast as the big boys. Their latency is about on par with most enterprise switches. GS108T Switch latency is 15uS for 64 byte frames. Considering the absolute minimum is 6.7 uS, that's pretty darned good .. 'specially for sub $100. I'll buy a Cisco when Cisco delivers for that price! smile.gif

What's a C7000? You referring to a Cisco 7000 Router? Wow. Haven't seen one of those in a LONG time.
post #2047 of 2241
I tried a search without any luck and I believe I have read varying reports so I'm wondering if the current firmware on the hub will play dvr-ms files? Those being the old WMC file format. I know it doesn't support the newer wtv format...
post #2048 of 2241
Quote:
Originally Posted by tim1_2 View Post

About 50% of the time when I go to play one of my movies or TV shows, I get a "Fatal Error" and the WDTV Hub reboots itself. Then I go to play the same file, and it works fine. Any thoughts?

I thought I'd ask again if anyone is having the same "Fatal Error" problem that I get? This has been going on for months, and firmware updates do not seem to fix it. Going to play the same file a second time, after the unit reboots itself, works fine.
post #2049 of 2241
What's up with the latest firmware release and Hauppauge support under "LiveTV"? Anybody messed with this yet?
post #2050 of 2241
Release notes: "Supports Hauppauge in select countries. WinTV tuner required. Compatible tuner listed in Knowledge Base
Article 5688."

Looks at KB 5688 and there is no listing for Hauppauge and or WinTV. I am going to take a wild guess and say it won't be available in the US
post #2051 of 2241
Just updated the firmware on my hub, feels more snappy controlling the device now, great update.
post #2052 of 2241
Guys i want to report that the new firmware is actually not working properly,

with a 2tb Harddrive connected to the Hub, when i start up the hub(full boot , not from sleep), the hub hangs for about 5 minutes every single time(its stuck on the WD Loading screen), i rolled back to the previous firmware ( 3.14.07) and the problem is gone.

i suggest if you have a harddrive hooked up to the hub don't update as it will hang during startup.
post #2053 of 2241
I have 2 WDTV LIve Hubs, and 2 WDTV Live.

I have set up each WDTV Live Hubs with all the metatags for the Movies and TV shows that I have on it.

Is it possible for the WDTV Live to read the Metatags correctly from the WDTV Hubs so that the movies and tv shows display the correct names, and thumbnails like the WDTV Hub?

I have been searching all over the WDTV site, but I haven't found what I am looking for. I was hoping there was a FAQ on how to set it up on here, but I didn't see it.

Any help would be appreciated!
post #2054 of 2241
Sure. As long as you connect to the Hub via Network Shares, and add that share to the Media Library on the other boxes it'll work fine.
post #2055 of 2241
Quote:
Originally Posted by bensons View Post

What's up with the latest firmware release and Hauppauge support under "LiveTV"? Anybody messed with this yet?


Looks like the Hub will do live TV with a Hauppage USB tuner.

From the knowledge base: (5688)
Live TV Adapters:

Device Name Device Model
Slingbox SOLO
Slingbox PRO-HD
Slingbox 350
Slingbox 500
Hauppauge! WinTV-HVR-950Q
Hauppauge! WinTV-NOVA-T


A review of of the WDTV with the added tuner:
http://gigaom.com/video/cord-cutters-wd-tv-live-ota-dvr/

TV Tuner and basic DVR too. Fun.


-Dave
post #2056 of 2241
Since the Wd Live Hub's max resolution is 1080p/24 fps, and my video camera shots at 1080p/60 fps m2ts format, I've got to down convert to something. What do you think the Hub displays in the best quality, 1080p/24, 1080i/30 or 720p/60? Should I leave it in m2ts or mkv or something else ?
post #2057 of 2241
lol the hub does 1080p/60hz
post #2058 of 2241
Hi , im looking at one of these units to stream music instead of using computer to airport express to dac .

What i would like to do is use this unit with a external hard drive and hooked up to a dac using optical then to stereo .

Has anyone done this and wondering about sound quality playing flac files .

Thank you Rob
post #2059 of 2241
Quote:
Originally Posted by PTPlayers View Post

Hi , im looking at one of these units to stream music instead of using computer to airport express to dac .
What i would like to do is use this unit with a external hard drive and hooked up to a dac using optical then to stereo .
Has anyone done this and wondering about sound quality playing flac files .
Thank you Rob

I use my WDTVLH primarily for music. I have it connected to my Onkyo preamp via HDMI,and use the Onk's internal DAC. Unless you have a humongous music library, the 1T internal drive will probably be sufficient. I have 24.000+ tracks [2000 albums or so] that occupy about 180G of the internal drive. About 6000 of those are flac files. The WDTVLH won't give you the interface flexibility or sophistication of something like a Sonos system, but it's also much less expensive. Using the Hub with software like Playlist Creator can make navigation less quirky and more semi-automated. I find the sound quality to be quite good, but I still rely on my old, but high-end, Denon CD player for critical listening.
post #2060 of 2241
Quote:
Originally Posted by hawkster27 View Post

I use my WDTVLH primarily for music. I have it connected to my Onkyo preamp via HDMI,and use the Onk's internal DAC. Unless you have a humongous music library, the 1T internal drive will probably be sufficient. I have 24.000+ tracks [2000 albums or so] that occupy about 180G of the internal drive. About 6000 of those are flac files. The WDTVLH won't give you the interface flexibility or sophistication of something like a Sonos system, but it's also much less expensive. Using the Hub with software like Playlist Creator can make navigation less quirky and more semi-automated. I find the sound quality to be quite good, but I still rely on my old, but high-end, Denon CD player for critical listening.

Like you, I've learned that using a good DLNA front end program that lets you create playlists and organize from the front end works a lot better for large music libraries. I've been using DLNA to stream movies and music and just recently discovered the Media Library feature of the WDTV Live Hub. I lose some of the sorting ability that I got through my DLNA but the metadata is awesome and my SO can finally stop asking me what each movie is about when she reads the descriptions and sees the backdrops. However, the lag when scrolling through the library just drives me nuts. I'm accessing the media through media shares and I keep reading about themes. What is the difference between themes and the Media library. Other than cosmetics I don't see the difference. I've done searches through the WDC forums but everything is just HOW to do it and not WHY? Can anyone explain if there is any tangible advantage of installing a theme.
post #2061 of 2241
Has anyone tried MLB.TV via the Live Hub? How is the PQ? How is the DVR functionality? Is there anything like a 30 second skip?
post #2062 of 2241
Which is the best firmware for the fastest boot time from cold boot?
I tried the last 2 firmwares and it takes like 5 mins to finish loading which is a PITA.
It has a few hundred MBs of videos and pictures on the HDD but not even 1/2 full.
I turned off everything I could find in setup to speed it up but not much difference.
post #2063 of 2241
I'm using the latest FW, 3.08.14. My box reboots from cold in two minutes. (I have to do this regularly. The Hub locks up on start about once a week. Now that's a PITA.) Internal HDD is about half full. Try disabling Media Library. I never use it, and don't miss it. Turning it off makes file and folder browsing much faster, also.[/I][/I]
post #2064 of 2241
Quote:
Originally Posted by hawkster27 View Post

I'm using the latest FW, 3.08.14. My box reboots from cold in two minutes. (I have to do this regularly. The Hub locks up on start about once a week. Now that's a PITA.) Internal HDD is about half full. Try disabling Media Library. I never use it, and don't miss it. Turning it off makes file and folder browsing much faster, also.[/I][/I]

I reset everything and turned off Media Library and that seems to have sped it up somewhat.
post #2065 of 2241
Quote:
Originally Posted by tim1_2 View Post

I thought I'd ask again if anyone is having the same "Fatal Error" problem that I get? This has been going on for months, and firmware updates do not seem to fix it. Going to play the same file a second time, after the unit reboots itself, works fine.

We have the same problem with the WDTV Live SMP.
post #2066 of 2241
So I downloaded Ted full bluray 40 some gigs ISo. Played in my WDTV no problem at all. But are we sure we are not losing any quality ?
post #2067 of 2241
Quote:
Originally Posted by Holiday121 View Post

So I downloaded Ted full bluray 40 some gigs ISo. Played in my WDTV no problem at all. But are we sure we are not losing any quality ?

That is a loaded question. If the process to create the ISO was a one to one process, then no quality lost compared to blu-ray. It sounds like, because of size, it was created in something like DVDFab or AnyDVD.
post #2068 of 2241
Just right click on the Ted BR when it's in the drive, click and see how big it is. Is your .iso roughly the same size? If so, then you have the exact same quality.
post #2069 of 2241
It's 44 gigs
post #2070 of 2241
I'm having an issue with my hub, i have a wd NAS connected via my switch and a external hd connected via the back usb on the hub.. After the latest firmware, my external now shows duplicates of all the movie folders on the drive, The actual drive is not showing duplicated when I see it on my computer just on the hub. My NAS does not do this and shows the folders correctly. Any ideas, i've rebooted and unplugged the ext hd and at first it seems to work, but after its finished running a scan it duplicates the folders. Any one else see this?
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