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The Graveyard - Products No Longer Supported => Routers / COVR => DIR-655 => Topic started by: marc_al2 on October 08, 2009, 10:05:18 PM

Title: Hard drive USB standby
Post by: marc_al2 on October 08, 2009, 10:05:18 PM: Hello,

If I put a USB drive on the DLink USB port, will the USB drive be able to spin down when it is not used?
What speed can I expect?
I have heard something like 1 MB / sec. is it true?
Can I use a USB hub and put a hard drive and the printer?

Thank you
Marc
Title: Re: Hard drive USB standby
Post by: EddieZ on October 10, 2009, 03:06:06 AM: 1. Yes, it will spin down
2. 4 MB/s is max
3. Yes, but use a self powered hub to prevent issues.
Title: Re: Hard drive USB standby
Post by: marc_al2 on October 12, 2009, 01:41:50 AM: Hello,

Thank you very much
Is there a way to tell when the HDD will spin down (or will it spin down as soon as it is disconnected?

Marc
Title: Re: Hard drive USB standby
Post by: bigeyes0x0 on October 12, 2009, 08:35:10 AM: Plug the USB HDD into your computer and use an application like HDDScan you can set up power management features there. I don't use Shareport so I don't know if that works directly, but considering it's USB over Ethernet I think doing straight through Shareport might work, too.
Title: Re: Hard drive USB standby
Post by: EddieZ on October 12, 2009, 11:41:26 AM: Quote from: bigeyes0x0 on October 12, 2009, 08:35:10 AM
Plug the USB HDD into your computer and use an application like HDDScan you can set up power management features there. I don't use Shareport so I don't know if that works directly, but considering it's USB over Ethernet I think doing straight through Shareport might work, too.

Nope, does not work through Shareport (or NDAS etc).
Title: Re: Hard drive USB standby
Post by: cessna1466u on October 12, 2009, 12:24:41 PM: Quote from: EddieZ on October 10, 2009, 03:06:06 AM
1. Yes, it will spin down
2. 4 MB/s is max
3. Yes, but use a self powered hub to prevent issues.

Please excuse my newbee question but how does 4mb speed compare? Is that s fast as if I had to connected to my laptop directly or slower? Thanks
Title: Re: Hard drive USB standby
Post by: marc_al2 on October 13, 2009, 12:13:33 AM: Hello,

Thank you for the tip.

4 MB / sec is really slow (directly connected I have more than 30 MB/sec).
On a good NAS (or a good networkserver) (raid 0+1), you can do around 100 MB/sec.
I plan to use the HDD for the backups of the network computers (so the speed is not a really big problem with incremental backups)...

Marc
Title: Re: Hard drive USB standby
Post by: cessna1466u on October 13, 2009, 08:04:08 AM: I am planning on using it to store all my converted DVDs and play them to my Xbox via the Zune software on my laptop. So any idea how that slow speed might affect my playback. Any suggestions on an alternative way to connect the USB drive so that my entire network could see it?
Title: Re: Hard drive USB standby
Post by: EddieZ on October 14, 2009, 11:11:22 AM: Quote from: cessna1466u on October 13, 2009, 08:04:08 AM
I am planning on using it to store all my converted DVDs and play them to my Xbox via the Zune software on my laptop. So any idea how that slow speed might affect my playback. Any suggestions on an alternative way to connect the USB drive so that my entire network could see it?

Depends on the bitspeed required for those DVD files. If they require > 4 MB (HD needs about 6 MB I guess) you're out of luck. Streaming DVD 's through ethernet will be possible only with full N speed, but the router USb connection will be the showstopper.