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Hybrid SSHD drive
Posted on 6/6/14 at 9:12 am
Posted on 6/6/14 at 9:12 am
So I'm playing with this HP All-in-one (I hate the idea of all-in-ones, I didn't have anything to do with the purchase decision and it's not for me) and I'm noticing it's pretty slow.
I pop open the device manager and I'm expecting to see a traditional hard drive, but I see a ST1000LM014-1EJ164-SSHD.
I plug that into the Google and it's a Seagate hybrid SSHD drive. Basically part of the storage is SSD (flash) and part is a traditional spinning disk.
Windows 8 does not see two separate drives. Disk Management lists partitions all on a single drive.
So my question is, how is it determined what goes on the faster SSD portion and what goes on the old spinning disk?
This seems like a horrible fail to me, why not just stick two drives in the machine if you need the speed of SSD and the storage of a traditional drive? That way you could control what needs to be fast and what is just storage.
Someone explain this idea to me please.
I pop open the device manager and I'm expecting to see a traditional hard drive, but I see a ST1000LM014-1EJ164-SSHD.
I plug that into the Google and it's a Seagate hybrid SSHD drive. Basically part of the storage is SSD (flash) and part is a traditional spinning disk.
Windows 8 does not see two separate drives. Disk Management lists partitions all on a single drive.
So my question is, how is it determined what goes on the faster SSD portion and what goes on the old spinning disk?
This seems like a horrible fail to me, why not just stick two drives in the machine if you need the speed of SSD and the storage of a traditional drive? That way you could control what needs to be fast and what is just storage.
Someone explain this idea to me please.
1
Posted on 6/6/14 at 9:52 am to Casty McBoozer
The firmware decides what goes on the SSD portion, basically making it act like a large cache.
I guess you just have to hope that it's smart enough to keep the right stuff on the SSD.
I guess you just have to hope that it's smart enough to keep the right stuff on the SSD.
Posted on 6/6/14 at 9:56 am to Korkstand
Yeah, you basically have an 8GB cache on the drive.
LINK /
quote:
When Seagate introduced SSHD technology, the company created a set of advanced algorithms to track data usage and prioritize frequently used data for storage in the fast, solid state portion of the device. These algorithms, which form the basis of Adaptive Memory technology, were designed to change data priorities as different applications requested new data over time.
Implemented inside of the Seagate SSHD via firmware, Adaptive Memory technology is also referred to as self-learning technology. This is because the SSHD makes intelligent determinations about which data to store in NAND flash memory, without any influence from the host or related storage device drivers. Adaptive Memory technology works by identifying data elements that are important for enhanced host-level performance and promoting such data elements from HDD storage to NAND flash memory.
Because it works entirely within the drive, Adaptive Memory technology has first-hand knowledge of the data elements that are best handled by solid state memory versus traditional HDD storage, and can promote data to NAND flash memory based on this knowledge. For example, data elements associated with booting, restarting and hibernating a computer, in addition to other frequently requested data, are prioritized for storage in solid state memory. However, data elements associated with long, sequential data strings, such as in video or audio data files, do not benefit from being stored in NAND flash.
LINK /
Posted on 6/6/14 at 10:02 am to TigerinATL
quote:
Yeah, you basically have an 8GB cache on the drive.
lol so the OS doesn't even fit on it? What a worthless piece of crap
Posted on 6/6/14 at 10:49 am to Casty McBoozer
Yeah, they are pretty pointless nowadays unless you have a laptop with one drive bay and still need the storage capacity. All-in-ones are basically laptops without a battery as far as components go, so same concept.
You should see the performance in that drive improve over time with Adaptive Memory Technology, but at best, it may cut windows boot time to half of what you'd expect from a traditional 7200 rpm 64mb cache hard drive. This is just based on my knowledge of the hardware and its specs though, not from experience.
You should see the performance in that drive improve over time with Adaptive Memory Technology, but at best, it may cut windows boot time to half of what you'd expect from a traditional 7200 rpm 64mb cache hard drive. This is just based on my knowledge of the hardware and its specs though, not from experience.
Posted on 6/6/14 at 8:56 pm to ILikeLSUToo
i put an sshd in my 4yo laptop to replace the one that died.
it was a refurb i only paid maybe $50 for and its been a great performer..system boots up much faster but of course part of this is due to the fact i just did a clean install of windows 7..
it was a refurb i only paid maybe $50 for and its been a great performer..system boots up much faster but of course part of this is due to the fact i just did a clean install of windows 7..
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