LinuxQuestions.org - Hard drive performance

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- Linux - General (https://www.linuxquestions.org/questions/linux-general-1/)

- - Hard drive performance (https://www.linuxquestions.org/questions/linux-general-1/hard-drive-performance-75181/)

dalek

03-08-2013 08:09 AM

Code:

root@fireball / # hdparm -tT /dev/sda



/dev/sda:

 Timing cached reads:  6902 MB in  2.00 seconds = 3452.53 MB/sec

 Timing buffered disk reads: 328 MB in  3.01 seconds = 108.81 MB/sec

root@fireball / # hdparm -tT /dev/sdb



/dev/sdb:

 Timing cached reads:  6894 MB in  2.00 seconds = 3448.87 MB/sec

 Timing buffered disk reads: 328 MB in  3.01 seconds = 108.86 MB/sec

root@fireball / # hdparm -tT /dev/sdc



/dev/sdc:

 Timing cached reads:  6568 MB in  2.00 seconds = 3285.27 MB/sec

 Timing buffered disk reads: 332 MB in  3.01 seconds = 110.16 MB/sec

root@fireball / # hdparm -tT /dev/sdd



/dev/sdd:

 Timing cached reads:  7096 MB in  2.00 seconds = 3549.96 MB/sec

 Timing buffered disk reads: 488 MB in  3.01 seconds = 162.33 MB/sec

root@fireball / #

I need to do some upgrading, AGAIN.

:) :)

SharpyWarpy

03-08-2013 05:59 PM

Code:

hdparm -tT /dev/sda

/dev/sda:

 Timing cached reads:  12406 MB in  1.99 seconds = 6221.26 MB/sec

 Timing buffered disk reads: 516 MB in  3.01 seconds = 171.48 MB/sec

It's a Kingston SS100S216G 15GB SSD in a Toshiba Satellite A665-S6092.

dalek

03-08-2013 06:15 PM

Quote:

Originally Posted by SharpyWarpy (Post 4907689)

Code:

hdparm -tT /dev/sda

/dev/sda:

 Timing cached reads:  12406 MB in  1.99 seconds = 6221.26 MB/sec

 Timing buffered disk reads: 516 MB in  3.01 seconds = 171.48 MB/sec

It's a Kingston SS100S216G 15GB SSD in a Toshiba Satellite A665-S6092.

Mine's just a plain old SATA drive. I may get me one of those SSD thingys one of these days tho. The price is coming down now.

:) :)

SharpyWarpy

03-08-2013 06:33 PM

Quote:

Originally Posted by dalek (Post 4907697)

Mine's just a plain old SATA drive. I may get me one of those SSD thingys one of these days tho. The price is coming down now.

:) :)

I got only 15gb SSD because it was SO much cheaper than larger capacity drives. I just use an external drive for saving things like pictures, etc. I highly recommend Kingston, mine has not slowed down or exhibited any unusual behaviour for 28 months. If you want the low price shop Newegg. If you are talking about getting one for a laptop look at this URL:
http://www.newegg.com/Product/Produc...=1&srchInDesc=
It has a Kingston 60gb SSD for $69.99.

dalek

03-08-2013 06:42 PM

Quote:

Originally Posted by SharpyWarpy (Post 4907703)

My rig is the one in my sig below. I plan to upgrade the mobo, CPU and ram sometime soon. I'm just waiting on that sweet spot with prices.

As a Linux user, I would have /home and /var and such on a regular drive but have /, /usr and such on a SSD. They would prevent the frequent writes and such that wear them out. Plus, my case stays really cool so it wouldn't ever get hot or anything.

:) :)

SharpyWarpy

03-08-2013 07:03 PM

Quote:

Originally Posted by dalek (Post 4907707)

I suggest getting an adapter from 2.5" to 3.5" so a 2.5" can be secured properly in your PC. The 3.5" SSDs are uber expensive. Newegg has these adapters.

dalek

03-09-2013 01:34 AM

Quote:

Originally Posted by SharpyWarpy (Post 4907716)

I suggest getting an adapter from 2.5" to 3.5" so a 2.5" can be secured properly in your PC. The 3.5" SSDs are uber expensive. Newegg has these adapters.

I'll either buy one or make one. I'm quite handy with metal, wood and such.

:) :)

SharpyWarpy

03-09-2013 05:01 PM

Quote:

Originally Posted by dalek (Post 4907818)

I'll either buy one or make one. I'm quite handy with metal, wood and such.

:) :)

I've done quite a bit of fabricating myself over the years. That said here's one:
http://www.newegg.com/Product/Produc...82E16812200176
Not that expensive and saves a lot of work making one. It can accommodate two 2.5" drives. And if you order the hard drive you'll save on shipping, they will throw it in the same box.

ukiuki

03-09-2013 06:48 PM

I found interesting how this thread has been sticking along the years, 1st post in 08-18-00, 19:35.
"For those of us who believe in physics, this separation between past, present and future is only an illusion." Albert Einstein

Regards

dalek

03-09-2013 07:00 PM

Quote:

Originally Posted by ukiuki (Post 4908258)

And you look at the first results posted for hdparm and this is the speed:

Quote:

Originally Posted by Larry James (Post 184)

My four drives reads as follows:

/dev/hda:
Timing buffered disk reads: 64 MB in 7.43 seconds = 8.61 MB/sec
Checking hdb...

/dev/hdb:
Timing buffered disk reads: 64 MB in 16.25 seconds = 3.94 MB/sec
Checking hdc...

/dev/hdc:
Timing buffered disk reads: 64 MB in 6.64 seconds = 9.64 MB/sec
Checking hdd...

/dev/hdd:
Timing buffered disk reads: 64 MB in 4.00 seconds =16.00 MB/sec

The last one is an IBM 20G Deskstar.

-- L. James

Right now, about every system that is fairly current is well over 100Mbs/sec. Isn't it amazing how much faster systems have gotten since this thread started?

:) :)

ukiuki

03-09-2013 08:48 PM

Quote:

Originally Posted by dalek (Post 4908262)

And you look at the first results posted for hdparm and this is the speed:
Right now, about every system that is fairly current is well over 100Mbs/sec. Isn't it amazing how much faster systems have gotten since this thread started?
:) :)

Code:

/dev/sda:

 Timing buffered disk reads: 332 MB in  3.02 seconds = 110.08 MB/sec

Indeed !!

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