Plextor M5p 256GB vs Intel SSD 530 240GB

Dell R620, 2*E5-2643, 32GB RAM, RHELS 5.3, Iozone 3.414,SSD分区4K对齐, ext4打开trim

./iozone -a -i 0 -i 1 -i 2 -y 4k -q 1m -s 64g -Rb ./test.xls 

结果就是Intel SSD 530全面大幅超越Plextor M5p,具体结果如下:

Plextor M5p 256GB:

record size 4 8 16 32 64 128 256 512 1024
Writer Report 73495 49706 53834 55819 51266 51434 52833 51928 52610
Re-writer Report 82056 80580 81662 71514 71218 70992 70998 71210 73930
Reader Report 437508 437398 437296 436977 437826 437586 437788 436948 437527
Re-reader Report 437118 437650 437002 436111 437281 437213 442700 437818 437569
Random Read Report 36441 64764 91808 129377 190359 231620 309157 278560 273607
Random Write Report 53990 53750 52256 52058 52626 51981 51429 52504 52852

Intel SSD 530 240GB:

record size 4 8 16 32 64 128 256 512 1024
Writer Report 498716 523831 500965 527952 524793 525040 528580 529695 529030
Re-writer Report 523820 524679 527672 528101 525403 528344 526986 526756 527916
Reader Report 399111 405611 403717 401873 404561 401628 401842 401729 403944
Re-reader Report 399121 402200 399726 399718 408133 401520 401671 401337 401857
Random Read Report 26518 51309 81293 126808 209616 265063 336988 382371 409023
Random Write Report 270073 370813 443589 489812 511003 520004 521321 521664 524645