HGST Unveils World's First 1.8TB 10K RPM Drive

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John Pombrio

I had to look up SAS (Serial Attached SCSI) as I recall last seeing any sort of SCSI device years and years ago when I was working at Agilent or HP (Fiber Channel was the main replacement for SCSI).

Sounds like you use SAS for low capacity servers. Wouldn't SSDs be a better solution or is it just because of the longevity of a hard drive w/r cycles? Even Google isn't making the use of SAS very clear to me...

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aarcane

1.8TB? Do you, MaxPC, know why "Enterprise" drives ship with such perculiar capacities? 73GiB? 1.8TiB? Why not 80GiB and 2TiB? Is it something like Overprovisioning? Do they have that many spare sectors? If so, I'm a little scared. I'd rather they NOT be shipping platters that they feel need that many spare sectors...

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LatiosXT

If I were to pull an explanation out of my rear, it's because it reserves that much space for sector remapping. It's not that the hard drive is unreliable, it's that it's meant to last as long as possible without user intervention.

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AFDozerman

You know, this might be a datacenter-centric drive, but I could absolutely see someone with a decent amount of dough putting something like this in a build as a really high capacity boot drive for simplicity's sake. This would probably be a more "elegant" solution than using an SSD coupled with a bigger HDD. I'd absolutely love to have one as a cache drive for a home server or something...

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Hey.That_Dude

Last I checked you can't boot from PCIe. So unless you spent money on a Board with a Native SAS port, you're S.O.L. my friend.

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Bullwinkle J Moose

unless you spent money on a Board with a Native SAS port, you're S.O.L. my friend.

That, and the release date will not be until Samsung 2TB vertically stacked Flash drives are ready for mass production with greater speed and reliability on a standard port

Hmmmm

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themohawkadmin

My workstation at my office boots from a PCIe RAID controller no problemo. It does take quite a bit longer to boot though, since it has to load the RAID controller's bios after the motherboard bios posts. The controller has 2gb of RAM on it, so for any file transaction less than 2Gb, I can get transfer speeds around 2.5 GB/sec. which is pretty awesome.

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aarcane

In your Motherboard's BIOS, you can often disable the onboard SATA OPROM if you never boot from the onboard SATA ports.

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LatiosXT

You can boot from a PCIe drive, as long as the motherboard supports it.

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praetor_alpha

I'm not sure how a loud, slow, hot, power hungry, and expensive hard drive would be more elegant than an SSD of equivalent price. Knowing how much enterprise drives go for, one could get at least a 480 GB SSD (if not 960+ GB) for less than one of these Hitachi drives.

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John Pombrio

I would expect RAID is involved somehow.

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LatiosXT

Just out of curiosity, how would it be more elegant?

As a counterexample thing, I have an mSATA slot underneath my motherboard. I was thinking at some point to get an mSATA based SSD. I could remove the other drives and appear to run "driveless".

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aarcane

If you REALLY want to run driveless, look at ipxe+iscsi boot, or qlogic FC cards. YOu can set up a linux server to export an iscsi or FC volume, and boot from that and LITERALLY have no drives in the system. FC is just an HBA to move the HD out of the box, but iscsi literally runs without any native HBA either. You're literally doing disk emulation over your NIC purely in software. ipxe+iscsi has a tendancy to interfere with other local drives. For example, I was subsequently unable burn to or read from any optical drives.

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BlazePC

I'll do you one better.

Populate that M.2 slot with a *quality* M.2 SSD (Intel has one priced nice...) in the 80-128 GB capacity point and marry it with two WD V-Raptors in Raid 0 (striped). You don't need the highest capacity Raptors for the primaries. Enable that M.2 for a maximum of 64GB in Intel's RST as a performance cache and enjoy sub-30-second cold boot times into Win 7 or 8 and blazing fast application loading. Resuming from sleep is instantaneous. Then use a quality high-cap SSD for games, media and whatever else. Don't like SSD's? Use hybrids.

This is "elegant" !

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Foxfire15

I actually did something along these lines very reciently. Setup a media center PC with stupid amounts of storage, (6TB - yay free RAID card) and a little 90GB Msata SSD to boot off of. System runs like a dream. Once it loads the RAID BIOS (this is slow for Adaptec cards), it boots in about oh...10s. Never really seen the benefit of using the msata / m.2 as a cache unless you're trying to improve a so-so system that doesn't actually have a SSD.