Prueba de SNIA de la unidad de estado sólido OCZ Sabre 1000 - Para usuarios corporativos

, GeekTimes! OCZ Saber 1000 — OCZ Storage Solutions, . — OCZ Barefoot 3 19 NAND- Toshiba.



OCZ Saber 1000 : , , Web-, , VDI .. 0,4 5- . SNIA.

SSD . Power Failure Management Plus (PFM+), , , OCZ Saber 1000. OCZ Saber 1000 .

• : 120 , 240 , 480 , 960
• -: 2,5"
• NAND : Toshiba 19 MLC
• NAND: OCZ Barefoot 3 M00
• : SATA3 (6 /)
• : 512 (/)
• :
  • ( 128 , QD=32): — 550 / ( ), — 310/500/470/430 / (120/240/480/960 )
  • 4 , : 84000/89000/95000/94000 IOPS (120/240/480/960 )
  • 4 , : 13000/20000/17000/10000 IOPS (120/240/480/960 )
  • 4 , 65% + 35%: 27000/32000/33000/35000 IOPS (120/240/480/960 )
  • 4 , , QD=1, : 129/129/124/127 (120/240/480/960 )
  • 4 , , QD=1 : 74/55/47/63 (120/240/480/960 )
• (BER): 10-15
• :
  
  • 120 : 84 (0,4 DWPD)
  • 240 : 161 (0,4 DWPD)
  • 480 : 343 (0,4 DWPD)
  • 960 : 692 (0,4 DWPD)
• : : 1,0 (), : 3,7 ()
• : 5

:

• — Intel Xeon E5606
• — 40 DDR3 ECC
• — Supermicro X8DT3-F
• — Adaptec 7805H (SAS2 HBA)
• — CentOS Linux 7 X86_64, FIO 2.1.14
• — OCZ Saber 1000 480 (SB1CSK31MT570-0480)
• : 1.00

SNIA Solid State Storage Performance Test Specification Enterprise v1.1. . ( ).

SNIA PTS Ent. 1.1:

• IOPS Test. IOPS ( - ) (1024, 128, 64, 32, 16, 8, 4, 0.5) / (100/0, 95/5, 65/35, 50/50, 35/65, 5/95, 0/100). 8 16. — 0,5.
  
  
• Throughput Test. : 1 128.
  
  
• Latency Test. (8, 4, 0.5) / (100/0, 65/35, 0/100) (1 QD=1). : 32, 0,5, , 99%, 99,9% 99,99%
  
  
• Write Saturation Test. (IOPS ) (600 1 ) 4. — SSD , NAND.
  
  
• Host Idle Recovery. . : (5 + 5, 10, 15, 25, 50 ). . .

25 1 . (, SATA- secure erase), — : 128 2- . (4 ), . : 90%/110% .

Write Saturation Test 600 1 . .

SNIA PTS: IOPS test (IOPS /)

4 — 67263 IOPS , 31763 IOPS 34966 — / 65/35. , — . , , ( 10- ) Write Saturation Test.

SNIA PTS: throughput test ( )

, OCZ «» . SSD SATA3. , 1 (474/259 / /), .

SNIA PTS: latency test ( QD=1 QD=32)

— 1 / (100% , 65/35 /, 0/100 = 100% ).

SNIA PTS: latency test ( QD=1 QD=32)

,	QD=1	QD=32
	0,19	0,51
	0,06	1,48
/ 65/35%	0,28	1,98
99%
	0,26	0,82
	0,13	7,49
/ 65/35%	1,60	11,76
99,9%
	2,16	4,40
	0,24	19,28
/ 65/35%	3,04	17,68
99,99%
	4,32	7,08
	0,47	417,77
/ 65/35%	7,60	22,07
	10,31	319,92
	0,13	1604,97
/ 65/35%	313,79	3072,97

SNIA PTS: Write Saturation Test ( 4)

«read-intensive» SSD : 10 .



OCZ Saber 1000 14000 IOPS. .



, SATA- (8 QD=16). 2-2,5 ( 99,99%-) OCZ PFM+ ( PFM+ ). , .. SSD . OCZ, , .. NAND-.

SNIA PTS: Host Idle Recovery

HIR — SSD, , .. SSD .

:

1. ( 128 2- ).
2. 60 4.
3. : (State 1 AB, State 2 AB ..) 360 5 ( 4, 16 8) 5, 10, 15, 25, 50 . (State 1 C, State 2 C) ( 360 5 ).

SNIA PTS — .

IOPS. 21-22 . IOPS. 5 , SSD 47 . IOPS. , . 5+50 47 . IOPS.



. . 2,7 .



— , 2000 .

StorageRevue: 8k 70/30 TC/QD test

SATA 32- , .



, OCZ Saber 1000 .



— 1000 , . OCZ , . , SSD «read-intensive». OCZ Saber 1000 , , SSD.

, «» : 99,99%-, .. 99,99% , , SSD . , SSD .

SSD OCZ . Saber 1000 , , SSD .

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True System — OCZ Storage Solutions.

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