使用fastq-dump下载SRA数据

使用fastq-dump下载SRA数据

环境和配置请见系列博文

1.下载：

fastq-dump -Z DRR047093

然后会显示信息：如果文件过大会有很多

可以显示制定条数

fastq-dump -X 5 -Z DRR047093

文件位置：自己安装sratoolkit时配置的位置

hadoop@Mcnode1:~/cloud/adam/xubo/data/down-sratool/sra$ ll
total 7532
drwxrwxr-x 2 hadoop hadoop       4096  1月 13 17:17 ./
drwxrwxr-x 7 hadoop hadoop       4096  1月 13 16:16 ../
-rw-rw-r-- 1 hadoop hadoop    5270322  1月 13 17:17 DRR047093.fastq
-rw-rw-r-- 1 hadoop hadoop    1043468  1月 13 17:16 DRR047093.sra
-rw-rw-r-- 1 hadoop hadoop 1701387928  1月 13 17:12 SRR003161.sra.cache

2.prefetch

hadoop@Mcnode1:~/.aspera/connect/bin$ prefetch -c DRR047084
Maximum file size download limit is 20,971,520KB

2016-01-13T13:42:20 prefetch.2.5.5: 1) Downloading 'DRR047084'...
2016-01-13T13:42:20 prefetch.2.5.5:  Downloading via fasp...
2016-01-13T13:42:41 prefetch.2.5.5 err: process failed while waiting process - ascp failed with 1
2016-01-13T13:43:13 prefetch.2.5.5 err: process failed while waiting process - ascp failed with 1
2016-01-13T13:43:13 prefetch.2.5.5:  fasp download failed
2016-01-13T13:43:13 prefetch.2.5.5:  Downloading via http...
2016-01-13T13:43:41 prefetch.2.5.5: 1) 'DRR047084' was downloaded successfully
2016-01-13T13:43:41 prefetch.2.5.5: 'DRR047084' has 0 dependencies

查看效果：成功

hadoop@Mcnode1:~/cloud/adam/xubo/data/down-sratool/sra$ ll -h
total 252M
drwxrwxr-x 2 hadoop hadoop  4.0K  1月 13 21:43 ./
drwxrwxr-x 7 hadoop hadoop  4.0K  1月 13 16:16 ../
-rw-rw-r-- 1 hadoop hadoop  877K  1月 13 21:40 DRR047083.sra
-rw-rw-r-- 1 hadoop hadoop 1007K  1月 13 21:43 DRR047084.sra
-rw-rw-r-- 1 hadoop hadoop  1.1M  1月 13 21:33 DRR047091.sra
-rw-rw-r-- 1 hadoop hadoop  1.2M  1月 13 17:22 DRR047092.sra
-rw-rw-r-- 1 hadoop hadoop  5.1M  1月 13 20:31 DRR047093_1.fastq
-rw-rw-r-- 1 hadoop hadoop  5.1M  1月 13 17:17 DRR047093.fastq
-rw-rw-r-- 1 hadoop hadoop 1020K  1月 13 17:16 DRR047093.sra
-rw-rw-r-- 1 hadoop hadoop  180K  1月 13 20:32 RAL357_1.sai
-rw-rw-r-- 1 hadoop hadoop  5.2M  1月 13 20:36 RAL357_1.sam
-rw-rw-r-- 1 hadoop hadoop  271M  1月 13 21:28 SRR002664.sra.cache
-rw-rw-r-- 1 hadoop hadoop  1.6G  1月 13 20:26 SRR003161.sra.cache
-rw-rw-r-- 1 hadoop hadoop     0  1月 13 21:19 SRR003162.sra.lock
-rw-rw-r-- 1 hadoop hadoop   15M  1月 13 21:34 SRR003162.sra.tmp.98592.tmp
-rw-rw-r-- 1 hadoop hadoop     0  1月 13 21:43 SRR1482462.sra.lock
-rw-rw-r-- 1 hadoop hadoop     0  1月 13 21:40 --user=anonftp

链接到的下载地址是：http://sra-download.ncbi.nlm.nih.gov/srapub/SRR003162

文件大概1.6G

之前运行这两个语句都不行，不知道是不是网络的原因？？

3.prefetch -v

hadoop@Mcnode1:~/.aspera/connect/bin$ prefetch -v DRR047083
Maximum file size download limit is 20,971,520KB

2016-01-13T13:38:40 prefetch.2.5.5: Using 'ascp'
2016-01-13T13:38:40 prefetch.2.5.5: Using 'ascp'
2016-01-13T13:38:40 prefetch.2.5.5: Using '/home/hadoop/.aspera/connect/bin/ascp'
2016-01-13T13:39:00 prefetch.2.5.5: 1) Downloading 'DRR047083'...
2016-01-13T13:39:00 prefetch.2.5.5:  Downloading via fasp...
/home/hadoop/.aspera/connect/bin/ascp /home/hadoop/.aspera/connect/bin/ascp -i /home/hadoop/.aspera/connect/etc/asperaweb_id_dsa.openssh -pQTk1 -l 1000m [email protected]:data/sracloud/srapub/DRR047083 /home/hadoop/cloud/adam/xubo/data/down-sratool/sra/DRR047083.sra.tmp.96547.tmp
2016-01-13T13:39:15 prefetch.2.5.5 err: process failed while waiting process - ascp failed with 1
/home/hadoop/.aspera/connect/bin/ascp /home/hadoop/.aspera/connect/bin/ascp -i /home/hadoop/.aspera/connect/etc/asperaweb_id_dsa.openssh -pQTk1 -l 1000m [email protected]:data/sracloud/srapub/DRR047083 /home/hadoop/cloud/adam/xubo/data/down-sratool/sra/DRR047083.sra.tmp.96547.tmp
2016-01-13T13:39:30 prefetch.2.5.5 err: process failed while waiting process - ascp failed with 1
2016-01-13T13:39:30 prefetch.2.5.5:  fasp download failed
2016-01-13T13:39:30 prefetch.2.5.5:  Downloading via http...
2016-01-13T13:40:06 prefetch.2.5.5: http://sra-download.ncbi.nlm.nih.gov/srapub/DRR047083 -> /home/hadoop/cloud/adam/xubo/data/down-sratool/sra/DRR047083.sra.tmp.96547.tmp
2016-01-13T13:40:10 prefetch.2.5.5: /home/hadoop/cloud/adam/xubo/data/down-sratool/sra/DRR047083.sra.tmp.96547.tmp (897071)
2016-01-13T13:40:10 prefetch.2.5.5: 1) 'DRR047083' was downloaded successfully
2016-01-13T13:40:10 prefetch.2.5.5: 'DRR047083' has 0 unresolved dependencies
2016-01-13T13:40:10 prefetch.2.5.5: 'DRR047083' is not cSRA

成功：

hadoop@Mcnode1:~/cloud/adam/xubo/data/down-sratool/sra$ ll -h
total 251M
drwxrwxr-x 2 hadoop hadoop  4.0K  1月 13 21:42 ./
drwxrwxr-x 7 hadoop hadoop  4.0K  1月 13 16:16 ../
-rw-rw-r-- 1 hadoop hadoop  877K  1月 13 21:40 DRR047083.sra
-rw-rw-r-- 1 hadoop hadoop     0  1月 13 21:42 DRR047084.sra.lock
-rw-rw-r-- 1 hadoop hadoop  1.1M  1月 13 21:33 DRR047091.sra
-rw-rw-r-- 1 hadoop hadoop  1.2M  1月 13 17:22 DRR047092.sra
-rw-rw-r-- 1 hadoop hadoop  5.1M  1月 13 20:31 DRR047093_1.fastq
-rw-rw-r-- 1 hadoop hadoop  5.1M  1月 13 17:17 DRR047093.fastq
-rw-rw-r-- 1 hadoop hadoop 1020K  1月 13 17:16 DRR047093.sra
-rw-rw-r-- 1 hadoop hadoop  180K  1月 13 20:32 RAL357_1.sai
-rw-rw-r-- 1 hadoop hadoop  5.2M  1月 13 20:36 RAL357_1.sam
-rw-rw-r-- 1 hadoop hadoop  271M  1月 13 21:28 SRR002664.sra.cache
-rw-rw-r-- 1 hadoop hadoop  1.6G  1月 13 20:26 SRR003161.sra.cache
-rw-rw-r-- 1 hadoop hadoop     0  1月 13 21:19 SRR003162.sra.lock
-rw-rw-r-- 1 hadoop hadoop   15M  1月 13 21:34 SRR003162.sra.tmp.98592.tmp
-rw-rw-r-- 1 hadoop hadoop     0  1月 13 21:40 --user=anonftp