Plextor SSD

2 disks in RAID-0 configuration, umfs02 with H700 controller
Revision                  : 1.01    
Capacity                  : 118.63 GB (127372623872 bytes)
Product ID                : PLEXTOR  PX-128M2S                   

 hdparm -t /dev/sdc

/dev/sdc:
 Timing buffered disk reads:  1196 MB in  3.01 seconds = 397.14 MB/sec

time dd if=/dev/zero of=/mnt/ssd/testBig count=100000 bs=1000000
100000+0 records in
100000+0 records out
100000000000 bytes (100 GB) copied, 707.387 seconds, 141 MB/s

real    11m47.395s
user    0m0.073s
sys     2m16.411s

time cat /mnt/ssd/testBig > /dev/null

real    5m36.573s
user    0m2.833s
sys     1m12.922s

  • test2_all_512k.xls - I can't explain why some of these numbers are so high. Test run was identical to previous except for record size of 512k this time.
    test2_all_512k.png

OCZ SSD drive

Media                     : SSD
Revision                  : 2.06
Capacity                  : 111.25 GB (119453777920 bytes)
Vendor ID                 : ATA     
Product ID                : OCZ-VERTEX3 MI                          
Serial No.                : OCZ-75620V2R791H84CE
Negotiated Speed          : 6.00 Gbps
Quick tests:

hdparm -t /dev/sdc

/dev/sdc:
 Timing buffered disk reads:  1210 MB in  3.00 seconds = 402.91 MB/sec

 time dd if=/dev/zero of=/mnt/ssd/testBig count=100000 bs=1000000
100000+0 records in
100000+0 records out
100000000000 bytes (100 GB) copied, 254.053 seconds, 394 MB/s

real    4m14.073s
user    0m0.067s
sys     2m18.204s

 time cat /mnt/ssd/testBig > /dev/null

real    3m25.097s
user    0m2.746s
sys     1m11.845s

iozone tests

2 disk RAID-01 disk RAID-0
test3_all_4k.xls: 64GiB file, 4KiB records
test3_all_4k.png
test5_single_all_4k.xls: 64GiB file, 4KiB records
test5_single_all_4k.png
test4_all_512k.xls: 64GiB file, 512KiB records
test4_all_512k.png
test6_single_all_512k.xls: 64GiB file, 512KiB records
test6_single_all_512k.png

-- BenMeekhof - 07 Jun 2011
Topic attachments
I Attachment Action Size Date Who Comment
test1_all_4k.pngpng test1_all_4k.png manage 10 K 07 Jun 2011 - 14:13 BenMeekhof Graph for 4k tests on Plextor
test1_all_4k.xlsxls test1_all_4k.xls manage 21 K 07 Jun 2011 - 14:13 BenMeekhof Excel output for 4k tests on Plextor
test2_all_512k.pngpng test2_all_512k.png manage 11 K 08 Jun 2011 - 15:50 BenMeekhof  
test2_all_512k.xlsxls test2_all_512k.xls manage 21 K 08 Jun 2011 - 15:50 BenMeekhof  
test3_all_4k.pngpng test3_all_4k.png manage 10 K 13 Jun 2011 - 20:17 BenMeekhof  
test3_all_4k.xlsxls test3_all_4k.xls manage 21 K 13 Jun 2011 - 20:17 BenMeekhof  
test4_all_512k.pngpng test4_all_512k.png manage 10 K 13 Jun 2011 - 20:48 BenMeekhof  
test4_all_512k.xlsxls test4_all_512k.xls manage 4 K 13 Jun 2011 - 20:48 BenMeekhof  
test5_single_all_4k.pngpng test5_single_all_4k.png manage 10 K 16 Jun 2011 - 02:11 BenMeekhof  
test5_single_all_4k.xlsxls test5_single_all_4k.xls manage 21 K 16 Jun 2011 - 02:14 BenMeekhof  
test6_single_all_512k.pngpng test6_single_all_512k.png manage 11 K 16 Jun 2011 - 02:12 BenMeekhof  
test6_single_all_512k.xlsxls test6_single_all_512k.xls manage 21 K 16 Jun 2011 - 02:14 BenMeekhof  
Topic revision: r6 - 16 Jun 2011, BenMeekhof
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