Difference between revisions of "Eyesis4Pi 393 Downloading footage"

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(Created page with "==Install== git clone https://git.elphel.com/Elphel/elphel-tools-x393.git === Scripts === * ''ext_ssd_download.py'' - download footage from external SSD (connected to PC, c...")
 
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=== Scripts ===
 
=== Scripts ===
 
* ''ext_ssd_download.py'' - download footage from external SSD (connected to PC, camera off)
 
* ''ext_ssd_download.py'' - download footage from external SSD (connected to PC, camera off)
 +
''$./ext_ssd_download.py -h'' - print help
 
* ''int_ssd_download.py'' - download footage from Eyesis4Pi-393 internal SSD (camera's eSATA cables allow to download data from internal SSDs)
 
* ''int_ssd_download.py'' - download footage from Eyesis4Pi-393 internal SSD (camera's eSATA cables allow to download data from internal SSDs)
 +
''$./int_ssd_download.py -h'' - print help
 +
 +
==Download footage example==
 +
1. Connect SSD to PC
 +
 +
2. Identify the device (using ''dmesg'', for example). Example: '''/dev/sdc'''. The second partition contains footage = '''/dev/sdc2'''
 +
 +
3. ''cd'' to the dir
 +
$ cd elphel-tools-x393
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4. Download footage in 10GB chunks (the script has 20MB overlapping to prevent corrupted images in the preceding chunk)
 +
* Download 30GB but skip the first 20GB (download range = 20-50GB on the SSD), to ''/data/footage/test1'' on PC:
 +
$./ext_ssd_download.py -p /dev/sdb2 -n 3 -s 2 /data/footage/test1
 +
 +
'''result tree:'''
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<font size='2' color='darkblue'>/data/footage/test1
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└── Crucial_CT2050MX300SSD1_163315B50899-part2 - each drive has a unique identifier, the script creates a corresponding directory
 +
     ├── file_2.img
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     ├── file_3.img
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     └── file_4.img</font>
 +
 +
* Download whole partition, to ''/data/footage/test1'' on PC:
 +
$./ext_ssd_download.py -p /dev/sdb2 /data/footage/test2

Revision as of 16:12, 22 April 2017

Install

git clone https://git.elphel.com/Elphel/elphel-tools-x393.git

Scripts

  • ext_ssd_download.py - download footage from external SSD (connected to PC, camera off)
$./ext_ssd_download.py -h - print help
  • int_ssd_download.py - download footage from Eyesis4Pi-393 internal SSD (camera's eSATA cables allow to download data from internal SSDs)
$./int_ssd_download.py -h - print help

Download footage example

1. Connect SSD to PC

2. Identify the device (using dmesg, for example). Example: /dev/sdc. The second partition contains footage = /dev/sdc2

3. cd to the dir

$ cd elphel-tools-x393

4. Download footage in 10GB chunks (the script has 20MB overlapping to prevent corrupted images in the preceding chunk)

  • Download 30GB but skip the first 20GB (download range = 20-50GB on the SSD), to /data/footage/test1 on PC:
$./ext_ssd_download.py -p /dev/sdb2 -n 3 -s 2 /data/footage/test1

result tree:
/data/footage/test1
└── Crucial_CT2050MX300SSD1_163315B50899-part2 - each drive has a unique identifier, the script creates a corresponding directory
    ├── file_2.img
    ├── file_3.img
    └── file_4.img
  • Download whole partition, to /data/footage/test1 on PC:
$./ext_ssd_download.py -p /dev/sdb2 /data/footage/test2