Difference between revisions of "SRA"

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;Note: sra will create a $HOME/ncib/public directory and cache the prefetched data files there. However, home directory has a 20gb limit and its use for job data storage is a violation of the [https://www.rc.ufl.edu/about/policies/storage/ UFRC storage policy]. You must change that location to a directory in your ufrc space before running the sra toolkit. The official approach is to use the vdb-config tool
 
;Note: sra will create a $HOME/ncib/public directory and cache the prefetched data files there. However, home directory has a 20gb limit and its use for job data storage is a violation of the [https://www.rc.ufl.edu/about/policies/storage/ UFRC storage policy]. You must change that location to a directory in your ufrc space before running the sra toolkit. The official approach is to use the vdb-config tool
 
  vdb-config -i
 
  vdb-config -i
and change the directory to, for example, /ufrc/$GROUP/$USER/ncbi/public. See the [https://github.com/ncbi/sra-tools/wiki/Toolkit-Configuration SRA Toolkit Configuration Documentation] for more details.
+
and change the directory to, for example, /blue/$GROUP/$USER/ncbi/public. See the [https://github.com/ncbi/sra-tools/wiki/Toolkit-Configuration SRA Toolkit Configuration Documentation] for more details.
  
Alternatively, create an 'ncbi' directory in your /ufrc space and symlink it to ~/ncbi. E.g.
+
Alternatively, create an 'ncbi' directory in your /blue space and symlink it to ~/ncbi. E.g.
  
$ mkdir /ufrc/mygroup/$USER/ncbi
+
$ mkdir /blue/mygroup/$USER/ncbi
$ ln -s /ufrc/mygroup/$USER/ncbi ~/ncbi
+
$ ln -s /blue/mygroup/$USER/ncbi ~/ncbi
  
 
==Uploads==
 
==Uploads==

Revision as of 19:22, 11 February 2021

Description

sra website  

This is the NCBI Short Read Archive Toolkit.

Note
sra will create a $HOME/ncib/public directory and cache the prefetched data files there. However, home directory has a 20gb limit and its use for job data storage is a violation of the UFRC storage policy. You must change that location to a directory in your ufrc space before running the sra toolkit. The official approach is to use the vdb-config tool
vdb-config -i

and change the directory to, for example, /blue/$GROUP/$USER/ncbi/public. See the SRA Toolkit Configuration Documentation for more details.

Alternatively, create an 'ncbi' directory in your /blue space and symlink it to ~/ncbi. E.g.

$ mkdir /blue/mygroup/$USER/ncbi $ ln -s /blue/mygroup/$USER/ncbi ~/ncbi

Uploads

It appears that data uploads to NCBI only work from login servers. Start a screen session before beginning an upload if there are any concerns about being disconnected.

Required Modules

modules documentation

Serial

  • sra

System Variables

  • HPC_SRA_DIR - installation directory
  • HPC_SRA_BIN - location of the executables directory
  • HPC_SRA_DOC - location of the documentation directory

Additional Information

Aspera Connect

To download SRA data you can use the "ascp" utility from the Aspera Connect browser plugin package. We have a copy installed and provided by the sra module. A wrapper script ascp.sh that automatically uses the ssh key is available. For instance:

ascp.sh -QT anonftp@ftp-private.ncbi.nlm.nih.gov:/genomes/Bacteria/all.faa.tar.gz faa

will download the all.faa.tar.gz archive to the faa directory.

Note: if the download fails to run with a "Session Stop (Error: Client unable to connect to server (check UDP port and firewall))" error please submit a support request. This means that the remote site has not been allowed through the firewall. Please be sure to include the path to a script you used to run the data transfer command into the request. Do not put any sensitive information like passwords, keys, and such into the request.