On Sun, Jan 7, 2018 at 12:25 PM, Warner Losh <i...@bsdimp.com> wrote:

>
>
> On Sat, Jan 6, 2018 at 9:20 PM, blubee blubeeme <gurenc...@gmail.com>
> wrote:
>
>>
>>
>> On Sun, Jan 7, 2018 at 12:17 PM, Warner Losh <i...@bsdimp.com> wrote:
>>
>>>
>>>
>>> On Sat, Jan 6, 2018 at 9:08 PM, blubee blubeeme <gurenc...@gmail.com>
>>> wrote:
>>>
>>>> On Sun, Jan 7, 2018 at 11:56 AM, blubee blubeeme <gurenc...@gmail.com>
>>>> wrote:
>>>>
>>>> > I ask does FreeBSD usb stack actually implements USB spec 2.0 or
>>>> greater
>>>> > and the topic gets derailed...?
>>>> >
>>>> > Are you guys saying that 7-8MB/s is USB speeds?
>>>> >
>>>> > On Thu, Jan 4, 2018 at 6:44 PM, O'Connor, Daniel <dar...@dons.net.au>
>>>> > wrote:
>>>> >
>>>> >>
>>>> >>
>>>> >> > On 4 Jan 2018, at 09:23, Gary Jennejohn <gljennj...@gmail.com>
>>>> wrote:
>>>> >> >> What is an "LG v30"?
>>>> >> >>
>>>> >> > It's a smartphone from LG and only supports USB2 speed.  The
>>>> reported
>>>> >> > transfer rate is no big surprise.
>>>> >>
>>>> >> OK thanks.
>>>> >>
>>>> >> --
>>>> >> Daniel O'Connor
>>>> >> "The nice thing about standards is that there
>>>> >> are so many of them to choose from."
>>>> >>  -- Andrew Tanenbaum
>>>> >> GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
>>>> >>
>>>> >>
>>>> > Actually, this post: https://forums.freebsd.org/threads/41041/
>>>>
>>>> on the forum from 2013 pretty well describes what I am experiencing when
>>>> moving data over USB.
>>>>
>>>> I have no problems hitting very high read/ write speeds using dd or
>>>> downloading something but copying by USB is excruciatingly slow.
>>>>
>>>> Why is that?
>>>
>>>
>>> If you are copying a boatload of tiny files to USB there's two issues.
>>> Both our UFS and MSDOS don't do well in this case. Second, for flash based
>>> USB thumbdrives, most of them have horrible write performance unless you
>>> buy quality drives...
>>>
>>> Warner
>>>
>> I would consider this: https://www.samsung.com/
>> us/computing/memory-storage/memory-cards/micro-sd-evo-256gb-
>> memory-card-w-adapter-mb-mc256da-am/
>>  256GB Samsung microsd card quality.
>>
>
> At most, you can get 90MB/s read/write on this card. What are you seeing?
> And how are you copying?
>
> Warner
>
I use the phone, LG V30 to record basically ungraded RAW video files to the
microsd card; they are large files.
I transfer them to my computer copy a backup to the 1TB driver; then do
edits/ color grading, etc in blender,
then I transfer the finished to another 1TB hdd for backup as well.
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