On Wed, Nov 24, 2010 at 7:15 PM, Richie <listmail@xxxxxxxxxxxx> wrote:
> On 11/24/2010 03:03 AM, Rudi Ahlers wrote:
>>
>> 100% 1163MB
>> 29.1MB/s 00:40
>>
>>
>> iperf indicates that the network throughput is about 930MB though:
>>
>> root@zaxen01:[~]$ iperf -s
>> ------------------------------------------------------------
>> Server listening on TCP port 5001
>> TCP window size: 85.3 KByte (default)
>> ------------------------------------------------------------
>> [ 4] local 196.34.x.x port 5001 connected with 196.34.x.x port 45453
>> [ ID] Interval Transfer Bandwidth
>> [ 4] 0.0-10.0 sec 1.09 GBytes 935 Mbits/sec
>>
>
> 29.1MB/s (megabytes) is 232.8 megabit. Yes, you still have room for
> improvement in that regard. You said sata drives, but what spec.? Any idea
> on your throughput for your source/destinatation hard drives? Would they
> both sustain higher than 29.9MB/s ?
>
> _______________________________________________
Hi Richie,
zaxen01:
Seagate ST31000340AS 1GB HDD,
and zaxen02:
root@zaxen02:[~]$ cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: ST3250318AS Rev: HP11
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: ST3250318AS Rev: HP11
Type: Direct-Access ANSI SCSI revision: 05
These drives are setup in software RAID1
Some more testing:
zaxen01, with 1x SATAII HDD, 8GB RAM, Core2Quad CPU, Intel Server
grade motherboard:
root@zaxen01:[~]$ dd if=/dev/zero of=filename bs=1024 count=1000000
1000000+0 records in
1000000+0 records out
1024000000 bytes (1.0 GB) copied, 12.2736 seconds, 83.4 MB/s
zaxen02, with 2x SATAII HDD setup in software RAID1, 8GB RAM,
Core2Quad CPU, SuperMicro Server grade motherboard:
root@zaxen02:[~]$ dd if=/dev/zero of=filename bs=1024 count=1000000
1000000+0 records in
1000000+0 records out
1024000000 bytes (1.0 GB) copied, 6.0765 seconds, 169 MB/s
Inhouse server, with 2x SATAII HDD in software RAID1, 2GB RAM,
Core2Duo CPU, using Gigabyte motherboard:
[root@intranet ~]# dd if=/dev/zero of=filename bs=1024 count=1000000
1000000+0 records in
1000000+0 records out
1024000000 bytes (1.0 GB) copied, 10.381 seconds, 98.6 MB/s
--
Kind Regards
Rudi Ahlers
SoftDux
Website: http://www.SoftDux.com
Technical Blog: http://Blog.SoftDux.com
Office: 087 805 9573
Cell: 082 554 7532
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