OCZ vs Intel 540

SYSTEM:
CPU: Xeon E3-1245v5
RAM: 32 GB ECC
HDD: 6 X 4 TB HGST Deskstar NAS (7200 RPM) at 4K in a RAID 1+0 (3 mirror vdevs)
SSD: OCZ Trion 150 and Intel 540



##### With OCZ Trion 150 + Intel 540 (mirrored SLOG) from FreeNAS GUI on TEST dataset (sync=always)

    Command line used: iozone -r 4k -r 8k -r 16k -r 32k -r 64k -r 128k -s 6g -i 0 -i 1 -i 2
    Output is in Kbytes/sec
    Time Resolution = 0.000001 seconds.
    Processor cache size set to 1024 Kbytes.
    Processor cache line size set to 32 bytes.
    File stride size set to 17 * record size.
                                                            random  random    bkwd   record   stride
              KB  reclen   write rewrite    read    reread    read   write    read  rewrite     read   fwrite frewrite   fread  freread
         6291456       4    3170    3185  2224696  2223135 1620652    3156
         6291456       8    6238    6247  3971502  3969600 2999821    6190

##### Without the OCZ drive and only one Intel 540 SSD

Command line used: iozone -r 4k -r 8k -r 16k -r 32k -r 64k -r 128k -s 6g -i 0 -i 1 -i 2
    Output is in Kbytes/sec
    Time Resolution = 0.000001 seconds.
    Processor cache size set to 1024 Kbytes.
    Processor cache line size set to 32 bytes.
    File stride size set to 17 * record size.
                                                            random  random    bkwd   record   stride
              KB  reclen   write rewrite    read    reread    read   write    read  rewrite     read   fwrite frewrite   fread  freread
         6291456       4    5191    5249  2249596  2218522 1633553    5170
         6291456       8    9762    9682  4006035  4008859 3005273    9672

##### Complete test with Intel 540 SSD (single)

    Command line used: iozone -r 4k -r 8k -r 16k -r 32k -r 64k -r 128k -s 6g -i 0 -i 1 -i 2
    Output is in Kbytes/sec
    Time Resolution = 0.000001 seconds.
    Processor cache size set to 1024 Kbytes.
    Processor cache line size set to 32 bytes.
    File stride size set to 17 * record size.
                                                            random  random    bkwd   record   stride
              KB  reclen   write rewrite    read    reread    read   write    read  rewrite     read   fwrite frewrite   fread  freread
         6291456       4    5191    5249  2249596  2218522 1633553    5170
         6291456       8    9762    9682  4006035  4008859 3005273    9672
         6291456      16   16887   16776  6272344  6277351 4992462   16619
         6291456      32   25324   25330  9341811  9471448 8028963   25155
         6291456      64   46678   47406 11993866 1197964411033384   45010
         6291456     128   69286   72366 13149334 1322893212991301   66158

iozone test complete.

#### Complete test with dual Intel 540 (mirror)

    Command line used: iozone -r 4k -r 8k -r 16k -r 32k -r 64k -r 128k -s 6g -i 0 -i 1 -i 2
    Output is in Kbytes/sec
    Time Resolution = 0.000001 seconds.
    Processor cache size set to 1024 Kbytes.
    Processor cache line size set to 32 bytes.
    File stride size set to 17 * record size.
                                                            random  random    bkwd   record   stride
              KB  reclen   write rewrite    read    reread    read   write    read  rewrite     read   fwrite frewrite   fread  freread
         6291456       4    4579    4785  2269335  2266097 1653864    4751
         6291456       8    8640    8631  4058600  4064857 3059737    8327
         6291456      16   12136   11902  5699051  5857040 4951481   13630
         6291456      32   19435   19036  9266546  9402766 7949639   18958
         6291456      64   31487   32566 11767496 1193680110733855   29752
         6291456     128   44145   44825 13163062 1323082312978413   44558

iozone test complete.