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Discussion in 'TiVo Series3 HDTV DVRs' started by spike2k5, Jul 30, 2007.
I don't think AAM can be enabled over a USB connection.
Well I am betting thats my problem then I will have to retest at a later date. Thanks
Looks like 1TB per drive limit has been lifted on Tivo HD.
 I ran some more test and I don't think there is a 1TB limit per drive for either S3 or TivoHD.
I was able to do 2TB on S3 as well with raid.
Here is a screenshot of 2TB Tivo HD.
Successfully upgrade to a 750 gig WD drive. Hardest part was finding an extra sata cable (thought I had ordered a retail kit, but it was OEM). I had a copy of Ultimate Boot CD laying around, and it had the Hitachi acoustic management software on it. I could definitely tell a difference when I moved it down to 128 (there is a "test" option). I'm another one with only 3 screws in place...I'm not worrying about it too much, I have been a screw short in my series 1 for years.
Spike, did you actually find a way to shoe horn the two drives into the Tivo HD?
I used hardware raid 0. Four 500GB SATA drives.
eSATA port is not enabled yet on Tivo HD.
Ah, Frankenstein box. Gotcha!
I upgraded my TiVo HD to a 500 gig WD harddrive. It was simple and fast. Thanks everyone
Wow, do you ever slow down? If I remember correctly it wasn't so much an absolute limit at 1TB but the manifestation of some signed integer bugs that reveal themselves at that point. I can't remember the exact details right now. I just remember putting in my notes to not go there when trying to get my RAID up and running.
Ok, here is the post from JamieP I originally referenced in my notes. Looking at the example of the display problems from that post I now notice that it was on a HD DirecTiVo. So, maybe this "limitation" that has been floating around is actually obsolete. Your testing appears to reveal that.
I have a pc with 2 SATA connectors. Are these the correct steps to upgrade the drive:
1. Download WinMFS
2. Shut down Windows & attach original TiVo drive
3. Boot to Vista, run WinMFS and backup original TiVo drive to the Windows (c:\) drive
4. Shut down & attach New Larger Drive.
5. Boot to Vista, run WinMFS and restore TiVo image on Windows (c:\) drive to New Larger Drive.
Note that won't backup your existing recordings. The "Backup" option in WinMFS just backs up the Tivo software and your configuration, not the recordings. If you want to backup your recordings, then I believe you need to choose the MFSCopy option.
I work on Tivo 24x7.
That's older Series 2 Tivo.
For S3, I recall people trying to use RAID to push it above 1TiB and not being able to boot. This was before the discovery of eSATA port being activated.
I think my test shows that it's not 1TiB limit per drive but a bug in mfstools. Mainly zone size calculation was slight off. BTW, this bug is fixed in the latest MFSLive Linux Boot CD 1.3a.
For those of you familiar with restore -r 2 not being able to boot after 274GB, this is the bug I'm talking about. Apparently, restore -r 4 does not work either above 1 TiB I guess due to this bug.
I've used WinMFS for this test which does not use r values like mfstools does but fixed min. allocation size of 20480 like Tivo S3 and HD.
So it appears that it's working for 2TB. I'm going to push it to S3 limit of 2 TiB or (2.2 TB) and see if it takes it.
Tivo HD uses 64bit address for accessing drives so supposedly we can push it above 2 TiB but I'm not sure it's possible yet. I will report if I find a way.
Who wants to be the first to build a TiVo with 2^48 bytes of storage?
Spike, how did you get the Raid 0 to function with the Tivo? Do you have a raid unit that can output to a single SATA connector and do it that way?
Yes I currently have 4 500GB sata -> hardware RAID 0 -> to single sata connector out.
It's noisy, bulky and only good for experimenting.
Tivo HD is upgraded to 2.5 TB.
It's possible to go much bigger.
Anyone got five 1TB drives?
Cool - have you actually recorded over 300 hours to prove it? (Not that I don't trust you, just curious)
Worked like a champ for me. I did about 120GB from my original drive over to my new 750GB drive overnight. Easy as pie.
Folks who keep advocating the DB35 should check the reviews on the WD drives (www.storagereview.com). I'd be surprised if a DB35 actually beat the WD drive for noise, power consumption (non-startup) and heat. It's also a lot cheaper. (Off the soapbox, now).
What do you guys think of this one? Should have the AM on it and keep fairly quiet, reasonable price too...
Western Digital Caviar SE16 WD7500AAKS 750GB 7200 RPM 16MB Cache SATA 3.0Gb/s Hard Drive - OEM
$199 on Newegg
Tune AAM to 128 and it should work nicely.