NETWORK
- Hardware
- Internet: 10Mb/s down, 1Mb/s up.
- Modem: Time Warner ARRIS Model DG860A
- Router: Trendnet 4 port 100Mb/s Model:
TW100-BRF114/A S/N SE07331400339
- Wireless Router: TP-LINK AC 1750 Gigabit Router
- Model: Archer C7(US) Ver: 2.0
S/N 216A185008062
- Switch:
- TRENDnet 8-Port -- Gigabit Ethernet
-- Switching Capacity 16 GB/s
- Model TEG-S82g Ver 3.04 S/N CA
91823007734
- Model TEG-S82g Ver 3.1R S/N CA
1D823103058
- Each computer has a gigabit ethernet card
or LAN chip.
ISSUES
- 2013-03-16
- MB = megabytes, Mb = megabits.
- I have a gigabit (125MB/s) switch but network
doesn't run at gigabit speeds. The router
is 100Mb/s (12.5MB/s) and assigns all IPs. I
want to see if the s76.94.229.134/ http://peed is limited by the
router, as if all data must go through it.
Today I set the IPs on the computers and
removed the router. The speeds did not
change.
- eCenter 1Tb to MASTER: 11.2MB/s
- MASTER to eCenter 2Tb: 11.2MB/s
- MASTER to guest_computer: 22.3MB/s
- MASTER to spareP3: 7.6MB/s
- Whoops, I'm only getting 100Mbit/s (12.5MB/s)
to eCenter. I checked with the ethernet
card in eCenter.
- Test File:
- cloudAtlas_01.mkv
- 19,448,323,008 bytes
| From | To | Time | Rate | Advertised Rate |
|---|
| Hard Drive Transfer Rates | |
| eCenter sdb | eCenter sda | 8:18 | 39 MB/s | |
| eCenter sda | eCenter sdb | 7:17 | 44 MB/s | |
| eCenter sdb | eCenter sdb | 12:14 | 26 MB/s |
Ext 300MB/s Int 130MB/s |
| eCenter sda | eCenter sda | 6:39 | 48 MB/s |
Ext 600MB/s Int 126MB/s |
| MASTER | MASTER | 5:56 | 54.5 MB/s |
Ext 600MB/s Int 126MB/s |
| guest_computer | guest_computer | 15:01 | 21.6 MB/s | 3Gb/s |
| spareP3 | spareP3 | 15:30 | 20.9 MB/s | External 100MB/s |
| Network Transfer Rates | |
| MASTER | eCenter sda | 4:11 | 73.9 MB/s | |
| eCenter sda | MASTER | 4:35 | 67.4 MB/s | |
| MASTER | eCenter sdb | 5:10 | 59.8 MB/s | |
| eCenter sdb | MASTER | 5:27 | 56.7 MB/s | |
| MASTER | guest_computer | 15:08 | 20.4 MB/s | |
| guest_computer | MASTER | 14:21 | 21.5 MB/s | |
| MASTER | spareP3 | 39:52 | 7.8 MB/s | |
| spareP3 | MASTER | 39:07 | 7.9 MB/s | |
| guest_computer | spareP3 | 39:01 | 7.9 MB/s | |
| spareP3 | guest_computer | 39:55 | 7.7 MB/s | |
| | | | MB/s | |
| | | | MB/s | |
| | | | MB/s | |
- 2013-03-17
- Now I want to see if the speed is limited by the
transfer rate on the hard drives.
- Across the same hard drive. That means
seek time.
- MASTER: 55.2MB/s
- guest_computer: 21MB/s
- eCenter 1Tb: 51.2MB/s
- eCenter 2Tb: 25MB/s
- From hard drive to hard drive on the same
computer, no seek time.
1Tb hard drive is twice as fast as 2Tb
hard drive. The 2Tb is refilling the
buffer as 1Tb writes.
- The only place I get set of numbers to compare
is the guest_computer. Transfers from network
are 22MB/s, across the hard drive 21MB/s.
That accounts for seek time.
- 2013-03-17
- New problem. eCenter had a bad cable. Now the
transfer rates are
- Master to 1Tb: 72.7MB/s
- Master to 2Tb: 61.8MB/s
I have no idea.
|
|
|