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A freeze list is a tab-delimited text file that lists all the archives involved in a data freeze.

Format

The contents of a freeze list are tab-delimited and contain three columns:

Column

Description

archive_name

Name of the frozen archive

date_added

Date the archive was submitted to the DCC

url

URL of the frozen archive

Naming freeze lists

Freeze lists are always labeled by their disease abbreviation and date of the freeze.

For example, TCGA_OV.Data_Freeze.20091022.txt captures the data freeze on October 22, 2009 (20091022) for a set ovarian (OV) archives.

The following table demonstrates a freeze list.

archive_name
stanford.edu_GBM.HumanHap550.2.1.0
stanford.edu_GBM.HumanHap550.3.2.0
lbl.gov_GBM.HuEx-1_0-st-v2.2.4.0
jhu-usc.edu_GBM.IlluminaDNAMethylation_OMA002_CPI.2.3.0
jhu-usc.edu_GBM.IlluminaDNAMethylation_OMA002_CPI.3.0.0
date_added
2008-06-19 10:17:52.374
2008-06-18 13:28:47.733
2008-03-08 14:58:44.964
2008-08-08 18:56:50.461
2008-02-04 15:50:16.403
url
http://tcga-data.nci.nih.gov/tcgafiles/ftp_auth/distro_ftpusers/tcga4yeo/tumor/gbm/cgcc/...
http://tcga-data.nci.nih.gov/tcgafiles/ftp_auth/distro_ftpusers/tcga4yeo/tumor/gbm/cgcc/...
http://tcga-data.nci.nih.gov/tcgafiles/ftp_auth/distro_ftpusers/tcga4yeo/tumor/gbm/cgcc/...
http://tcga-data.nci.nih.gov/tcgafiles/ftp_auth/distro_ftpusers/anonymous/tumor/gbm/cgcc/...
http://tcga-data.nci.nih.gov/tcgafiles/ftp_auth/distro_ftpusers/anonymous/tumor/gbm/cgcc/...

Accessing Freeze Lists

Freeze lists can be found in the 'other' folder of the HTTPS directories.

Notification of New Freeze Lists

When a new freeze list is available, notifications are sent to the following locations:

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