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.
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
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BenMeekhof - 07 Jun 2011