Re: harddrives with built-in NAND fkash

2014-02-08 Thread Rick Thomas

On Feb 7, 2014, at 1:25 PM, Ric Moore wayward4...@gmail.com wrote:

 Do they require any special formating or partitioning to take advantage of 
 the 8 gigs of built-in NAND flash? I'm looking at a Seagate Solid State 
 Hybrid drive - ST2000DX001
 
 Thanks for any info and/or suggestions. Ric

Fabrice Vaillant replied:

 I have used the same kind of drive as a main drive on my laptop. While I have 
 no proof that the extra nand where used, I tend to think they were. There 
 wasn't any extra drive showing in gparted or other tool. Plus those nand are 
 used by the drive to store most used file and quicken the loading of them, so 
 I don't think it's the OS job to deal with them.
 
 Fabrice

I just bought a pair of the Seagate drives to use as system drives for a couple 
of servers.

As I read the specs, Fabrice is correct:  The drive itself will figure out what 
to put in flash based on usage -- the user doesn't get a say.  I'm hoping that 
it will decide to put the interesting parts of root and /usr there (to speed 
up booting), along with the database indexes for the servers (to speed up 
normal production use).

It would be fun to have some kind of an ioctl to figure out what actually 
happens...  Not much chance of that, I'm guessing, but it sure would be 
interesting!

Anybody who works for Seagate on this list?

Rick


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Re: harddrives with built-in NAND fkash

2014-02-08 Thread Fabrice Vaillant


On 02/08/2014 02:45 AM, Ric Moore wrote:

On 02/07/2014 04:39 PM, Fabrice Vaillant wrote:

I have used the same kind of drive as a main drive on my laptop. While I
have no proof that the extra nand where used, I tend to think they were.
There wasn't any extra drive showing in gparted or other tool. Plus
those nand are used by the drive to store most used file and quicken the
loading of them, so I don't think it's the OS job to deal with them.



Thanks! I was wondering about that and didn't want to jump into deep 
water without looking first. Do you see any improvement ...like boot 
times? I'd hate for the darn thing to be looking for a Windows file 
system to be installed. Ric




I did find it quick to boot but I was coming from a hold hdd on 
different system, so I can't directly compare. On the other hand now I 
have repalced it by a ssd and the boot time seems the same whereas big 
application like gimp, that I barely use, seems faster, so I'd say this 
NAND were put to a good use. Don't worry about it needing a windows though.


Fabrice


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harddrives with built-in NAND fkash

2014-02-07 Thread Ric Moore
Do they require any special formating or partitioning to take advantage 
of the 8 gigs of built-in NAND flash? I'm looking at a Seagate Solid 
State Hybrid drive - ST2000DX001


Thanks for any info and/or suggestions. Ric

--
My father, Victor Moore (Vic) used to say:
There are two Great Sins in the world...
..the Sin of Ignorance, and the Sin of Stupidity.
Only the former may be overcome. R.I.P. Dad.
/https://linuxcounter.net/cert/44256.png /


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Re: harddrives with built-in NAND fkash

2014-02-07 Thread Fabrice Vaillant
I have used the same kind of drive as a main drive on my laptop. While I 
have no proof that the extra nand where used, I tend to think they were. 
There wasn't any extra drive showing in gparted or other tool. Plus 
those nand are used by the drive to store most used file and quicken the 
loading of them, so I don't think it's the OS job to deal with them.


Fabrice
On 02/07/2014 10:25 PM, Ric Moore wrote:
Do they require any special formating or partitioning to take 
advantage of the 8 gigs of built-in NAND flash? I'm looking at a 
Seagate Solid State Hybrid drive - ST2000DX001


Thanks for any info and/or suggestions. Ric




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