Alan Browne wrote:
> On 10-02-21 19:02 , atec 77 wrote:
>> Alan Browne wrote:
>>> On 10-02-20 22:11 , atec 77 wrote:
>>>> Alan Browne wrote:
>>>>> On 10-02-20 9:51 , atec 77 wrote:
>>>>>> Alan Browne wrote:
>>>>>>> On 10-02-17 20:13 , Alan Browne wrote:
>>>>>>>> Tomorrow I should receive the odds and ends that will complete the
>>>>>>>> high
>>>>>>>> speed side of my little network. I was considering running these in
>>>>>>>> Jumbo Frame (JF).
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Cable-Modem ------- Router That's a 10/100 link
>>>>>>>> | |
>>>>>>>> 10/100 | +---- Printer 10/100
>>>>>>>> |
>>>>>>>> Switch
>>>>>>>> | | |
>>>>>>>> | | +-----Mac
>>>>>>>> | |
>>>>>>>> | +-------PC
>>>>>>>> |
>>>>>>>> +----------NAS
>>>>>>>>
>>>>>>>>
>>>>>>>> Everything "south" of the switch will be 1000 Mbps.
>>>>>>>>
>>>>>>>> If I set the Mac, the PC and NAS to JF, will the Printer and
>>>>>>>> Cable-Modem
>>>>>>>> work correctly? they cannot be set to JF.
>>>>>>>
>>>>>>> Update - seems to work. But Apple Mail and Thunderbird (Mac) don't
>>>>>>> work with JF active. Back to standard frames.
>>>>>>>
>>>>>>> Too bad - did increase Mac to PC and VV xfer rates by about 10%.
>>>>>>>
>>>>>>>
>>>>>> WHat do you think the average exchange rate of a hard drive is ?
>>>>>> not pulsed but average ?
>>>>>
>>>>> That depends on many things, including the file sizes. Once a large
>>>>> file begins streaming, I'd _hope_ for at least 50% of SATA 3 Gb/s. But
>>>>> it seems far from that - more like 5 - 6%. (7200 RPM).
>>>>>
>>>>> To take disk issues out of the equation, I wrote a program on the PC
>>>>> to write to a RAM disk on the MAC. That got me up to a mere 35 MB/s or
>>>>> so (occasional bursts of 45 MB/s). I used large blocks in the "write"
>>>>> (32768 bytes) to make sure the outbound queue was saturated at all
>>>>> times.
>>>>>
>>>> I suggest you do some reading about the std sata/ide drive transfer
>>>> rates . stripe some of you really need a faster speed
>>>
>>> Striping does not fit other goals.
>>>
>>>
>> moving the goal posts wont help if you want sustained delivery
>
> Word games? Please run along now.
>
>
Oh dear
you failed to understand
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