kraken2报错
nohup parallel -j 4 \
'kraken2 --db /db/kraken2 --paired meta/temp/qc/{1}_1_kneaddata_paired*.fastq \
--threads 4 --use-names --use-mpa-style --report-zero-counts \
--report meta/temp/kraken2/{1}_report \
--output meta/temp/kraken2/{1}_output' \
::: `tail -n+2 meta/result/design.txt | cut -f 1` &>kraken2.log &
报错
kraken2: database ("/db/kraken2") does not contain necessary file taxo.k2d
/db/kraken2目录我确定有taxo.k2d这个文件