Silicon Image and Seagate "ROMP" the bus and overhead is small.
No size specified, using 1278 MB
Size is MB, BlkSz is Bytes, Read, Write, and Seeks are MB/sec
File Block Num Seq Read Rand Read Seq Write Rand Write
Dir Size Size Thr Rate (CPU%) Rate (CPU%) Rate (CPU%) Rate (CPU%)
------- ------ ------- --- ----------- ----------- ----------- -----------
. 1278 4096 1 77.41 16.5% 0.930 0.77% 40.92 13.6% 0.852 0.21%
. 1278 4096 2 67.76 14.9% 0.933 0.50% 38.43 13.1% 0.852 0.27%
. 1278 4096 4 63.22 13.8% 0.938 0.42% 37.05 12.5% 0.857 0.31%
. 1278 4096 8 59.11 13.2% 0.963 0.46% 36.01 12.1% 0.862 0.30%
File './Bonnie.3990', size: 1073741824, volumes: 1
Writing with putc()... done: 15337 kB/s 99.5 %CPU
Rewriting... done: 21097 kB/s 6.9 %CPU
Writing intelligently...done: 63036 kB/s 14.9 %CPU
Reading with getc()... done: 11821 kB/s 85.2 %CPU
Reading intelligently...done: 106472 kB/s 11.8 %CPU
Seeker 1...Seeker 2...Seeker 3...start 'em...done...done...done...
---Sequential Output (nosync)--- ---Sequential Input-- --Rnd Seek-
-Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --04k (03)-
Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU
1*1024 15337 99.5 63036 14.9 21097 6.9 11821 85.2 106472 11.8 286.9 1.1
SiI3114 Serial ATA: IDE controller at PCI slot 00:04.0
SiI3114 Serial ATA: chipset revision 1
SiI3114 Serial ATA: not 100% native mode: will probe irqs later
ide3: BM-DMA at 0x1440-0x1447, BIOS settings: hdg:pio, hdh:pio
ide4: BM-DMA at 0x1448-0x144f, BIOS settings: hdi:pio, hdj:pio
hdg: ST3120026AS, ATA DISK drive
blk: queue c031aae4, I/O limit 4095Mb (mask 0xffffffff)
hdi: ST3120026AS, ATA DISK drive
blk: queue c031af30, I/O limit 4095Mb (mask 0xffffffff)
ide3 at 0x1480-0x1487,0x1476 on irq 10
ide4 at 0x1478-0x147f,0x1472 on irq 10
This is a quad channel card and is running in compatibility mode!
Andre Hedrick
LAD Storage Consulting Group
LKML:
More work to get drives 3 and 4 attached..
Two drives in a raid 0, chunking size was poor choice :-/
I forgot to select my optimized profiles.
No size specified, using 1278 MB
Size is MB, BlkSz is Bytes, Read, Write, and Seeks are MB/sec
File Block Num Seq Read Rand Read Seq Write Rand Write
Dir Size Size Thr Rate (CPU%) Rate (CPU%) Rate (CPU%) Rate (CPU%)
------- ------ ------- --- ----------- ----------- ----------- -----------
. 1278 4096 1 84.73 24.3% 0.970 0.93% 74.13 27.3% 1.886 0.84%
. 1278 4096 2 69.77 20.2% 1.094 0.63% 55.11 24.2% 1.847 0.88%
. 1278 4096 4 63.91 18.5% 1.172 0.67% 50.16 22.9% 1.830 0.93%
. 1278 4096 8 60.37 17.6% 1.257 0.66% 45.23 21.0% 1.847 0.94%
File './Bonnie.1391', size: 1073741824, volumes: 1
Writing with putc()... done: 27377 kB/s 99.9 %CPU
Rewriting... done: 36260 kB/s 14.1 %CPU
Writing intelligently...done: 118083 kB/s 33.0 %CPU
Reading with getc()... done: 25089 kB/s 88.1 %CPU
Reading intelligently...done: 150287 kB/s 24.7 %CPU
File './Bonnie.1559', size: 2097152000, volumes: 1
Writing with putc()... done: 26633 kB/s 98.3 %CPU
Rewriting... done: 35017 kB/s 13.7 %CPU
Writing intelligently...done: 91531 kB/s 26.6 %CPU
Reading with getc()... done: 25501 kB/s 90.8 %CPU
Reading intelligently...done: 102142 kB/s 20.3 %CPU
Well I need to add the third and fourth, but about to hit the limits of
the PCI bus for 33/32 so will back of for now and tweak some more.
Expect cards soon! There's hotter and faster stuff coming down the pipes!
Cheers,
Andre Hedrick
LAD Storage Consulting Group
PS Get the Alpine rush, Seagate Alpine!
On Fri, 16 May 2003, Andre Hedrick wrote:
>
> Silicon Image and Seagate "ROMP" the bus and overhead is small.
>
> No size specified, using 1278 MB
> Size is MB, BlkSz is Bytes, Read, Write, and Seeks are MB/sec
>
> File Block Num Seq Read Rand Read Seq Write Rand Write
> Dir Size Size Thr Rate (CPU%) Rate (CPU%) Rate (CPU%) Rate (CPU%)
> ------- ------ ------- --- ----------- ----------- ----------- -----------
> . 1278 4096 1 77.41 16.5% 0.930 0.77% 40.92 13.6% 0.852 0.21%
> . 1278 4096 2 67.76 14.9% 0.933 0.50% 38.43 13.1% 0.852 0.27%
> . 1278 4096 4 63.22 13.8% 0.938 0.42% 37.05 12.5% 0.857 0.31%
> . 1278 4096 8 59.11 13.2% 0.963 0.46% 36.01 12.1% 0.862 0.30%
>
> File './Bonnie.3990', size: 1073741824, volumes: 1
> Writing with putc()... done: 15337 kB/s 99.5 %CPU
> Rewriting... done: 21097 kB/s 6.9 %CPU
> Writing intelligently...done: 63036 kB/s 14.9 %CPU
> Reading with getc()... done: 11821 kB/s 85.2 %CPU
> Reading intelligently...done: 106472 kB/s 11.8 %CPU
> Seeker 1...Seeker 2...Seeker 3...start 'em...done...done...done...
> ---Sequential Output (nosync)--- ---Sequential Input-- --Rnd Seek-
> -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --04k (03)-
> Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU
> 1*1024 15337 99.5 63036 14.9 21097 6.9 11821 85.2 106472 11.8 286.9 1.1
>
> SiI3114 Serial ATA: IDE controller at PCI slot 00:04.0
> SiI3114 Serial ATA: chipset revision 1
> SiI3114 Serial ATA: not 100% native mode: will probe irqs later
> ide3: BM-DMA at 0x1440-0x1447, BIOS settings: hdg:pio, hdh:pio
> ide4: BM-DMA at 0x1448-0x144f, BIOS settings: hdi:pio, hdj:pio
> hdg: ST3120026AS, ATA DISK drive
> blk: queue c031aae4, I/O limit 4095Mb (mask 0xffffffff)
> hdi: ST3120026AS, ATA DISK drive
> blk: queue c031af30, I/O limit 4095Mb (mask 0xffffffff)
> ide3 at 0x1480-0x1487,0x1476 on irq 10
> ide4 at 0x1478-0x147f,0x1472 on irq 10
>
> This is a quad channel card and is running in compatibility mode!
>
> Andre Hedrick
> LAD Storage Consulting Group
>
> -
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