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by hupaa
Mon Mar 12, 2018 10:38 am
Forum: General discussion
Topic: file transferring in raspberry pi3 modelB
Replies: 20
Views: 2241

Re: file transferring in raspberry pi3 modelB

based on document about "iostat" it should be show me is there any data read or data write on disks or not. Output looks like that (here with a single storage device, the SD card): admin@berck:~ $ sudo iostat 30 Linux 4.9.63-v7+ (berck) 03/12/2018 _armv7l_ (4 CPU) avg-cpu: %user %nice %system %iowa...
by hupaa
Mon Mar 12, 2018 10:36 am
Forum: General discussion
Topic: file transferring in raspberry pi3 modelB
Replies: 20
Views: 2241

Re: file transferring in raspberry pi3 modelB

based on document about "iostat" it should be show me is there any data read or data write on disks or not. Output looks like that (here with a single storage device, the SD card): admin@berck:~ $ sudo iostat 30 Linux 4.9.63-v7+ (berck) 03/12/2018 _armv7l_ (4 CPU) avg-cpu: %user %nice %system %iowa...
by hupaa
Mon Mar 12, 2018 7:52 am
Forum: General discussion
Topic: file transferring in raspberry pi3 modelB
Replies: 20
Views: 2241

Re: file transferring in raspberry pi3 modelB

To continue with jahboater's remark, the way you've organized your mounts is also unconventional. With linux "sda" might become sdb at the next reboot or disconnect/reconnect cycle, so it is not a very useful mount name It is customary to not add directories to root (/) but rather add directories i...
by hupaa
Mon Mar 12, 2018 7:47 am
Forum: General discussion
Topic: file transferring in raspberry pi3 modelB
Replies: 20
Views: 2241

Re: file transferring in raspberry pi3 modelB

OK so you have created file systems on the raw disks rather than within partitions. Which is possible on Linux, but rarely done, and should have produced a warning. You can redirect output from programs to anywhere you have permission for, with myprogram >/mnt/mylogfile Excuse me, Could you please ...
by hupaa
Sun Mar 11, 2018 8:47 am
Forum: General discussion
Topic: file transferring in raspberry pi3 modelB
Replies: 20
Views: 2241

Re: file transferring in raspberry pi3 modelB

How Can I log activities on /mnt?
by hupaa
Sun Mar 11, 2018 8:46 am
Forum: General discussion
Topic: file transferring in raspberry pi3 modelB
Replies: 20
Views: 2241

Re: file transferring in raspberry pi3 modelB

this is the output of "lsblk" : https://pasteboard.co/HbmtPCW.png this is 60G external hard that was mounted to /sda Is that all? Either you have removed a lot of information from the lsblk output or you are using some strange OS that is not Raspbian. You don't have any mounted partitions by the lo...
by hupaa
Sun Mar 11, 2018 6:24 am
Forum: General discussion
Topic: file transferring in raspberry pi3 modelB
Replies: 20
Views: 2241

Re: file transferring in raspberry pi3 modelB

the below link is the path that external hards were mounted
https://pasteboard.co/HbmBehI.png
I can see the zip file in /sda for a short time but I can not see anything in /mnt .
Is there any command that show me the history of /mnt? I mean show me which file was transferred in /mnt?
Thanks
by hupaa
Sun Mar 11, 2018 6:04 am
Forum: General discussion
Topic: file transferring in raspberry pi3 modelB
Replies: 20
Views: 2241

Re: file transferring in raspberry pi3 modelB

I have downloaded a file with bigger size than previous. So I can see that in /sda for short time and then removed. Whats /sda ? Can you post the output of "lsblk" please? The filesystem will be on /dev/sda1 and it will usually be mounted at /media/pi/xxxx (where xxx is the volume label or the uuid...
by hupaa
Sat Mar 10, 2018 8:46 am
Forum: General discussion
Topic: file transferring in raspberry pi3 modelB
Replies: 20
Views: 2241

Re: file transferring in raspberry pi3 modelB

I have downloaded a file with bigger size than previous.
So I can see that in /sda for short time and then removed.
by hupaa
Sat Mar 10, 2018 6:55 am
Forum: General discussion
Topic: file transferring in raspberry pi3 modelB
Replies: 20
Views: 2241

Re: file transferring in raspberry pi3 modelB

Hi, I am sorry because of late answer. I did not have access to the net for some days. I make a mistake about release of raspbian. it is release 1.1 for November 2016. about media it's an external SATA hard that was connected to my board through SATA to USB connector about "program", I said that thi...
by hupaa
Tue Mar 06, 2018 12:51 pm
Forum: General discussion
Topic: file transferring in raspberry pi3 modelB
Replies: 20
Views: 2241

file transferring in raspberry pi3 modelB

Hello, I have a programmed raspberry pi3 modelB with raspbian V16.0 based on its program after downloading a file from the web, the file will sent to media immediately. I want to know this file go from which path up to save in media? does it at first save in internal memory of raspberry pi3 and then...
by hupaa
Sat Feb 17, 2018 7:52 am
Forum: General discussion
Topic: "U5" in raspberry pi3 model B
Replies: 3
Views: 1060

Re: "U5" in raspberry pi3 model B

U13 is an AP2553, controlling the 5v to the USB ports. It first appeared on the B+ U10 first appeared on the B+, and could be a linear regulator for the analogue audio driver U11 U17 first appeared on the 2B v1.1, together with the separate memory chip on the other side of the board, just beneath U...
by hupaa
Wed Feb 14, 2018 10:40 am
Forum: General discussion
Topic: "U5" in raspberry pi3 model B
Replies: 3
Views: 1060

"U5" in raspberry pi3 model B

Hello, I can not find the datasheet of some chips on raspberry pi3 model B. these chips are "U5", "U8", "U10", "U13", "U17", "U20". I could not find them in raspberry pi3 model B schematic. Could you please guide me to find their datasheet? and could you please tell me why these chips there are not ...
by hupaa
Wed Feb 14, 2018 6:31 am
Forum: General discussion
Topic: U4 in raspberry pi3 model B
Replies: 9
Views: 1298

Re: U4 in raspberry pi3 model B

That's the 2nd time in about a week somebody has asked about that part - Is there a soldering problem at the factory? I think this happen because the part number on the chip is different from that in schematic the part number on chip is "V36hB", while the part number in the schematic is "APX803-46S...
by hupaa
Wed Feb 14, 2018 6:28 am
Forum: General discussion
Topic: U4 in raspberry pi3 model B
Replies: 9
Views: 1298

Re: U4 in raspberry pi3 model B

Hello, I need the datasheet of "V36hB" signed by U4 on raspberry pi3 model B. I don't know what is this chip? could you please guide me thanks. U4 is on the schematic at grid location 2-C: https://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/Raspberry-Pi-3B-V1.2-Schematics.pdf ...
by hupaa
Mon Feb 12, 2018 11:41 am
Forum: General discussion
Topic: U4 in raspberry pi3 model B
Replies: 9
Views: 1298

U4 in raspberry pi3 model B

Hello,
I need the datasheet of "V36hB" signed by U4 on raspberry pi3 model B.
I don't know what is this chip?
could you please guide me
thanks.

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