Bowtie 2 seems to be working fine (tested command 'bowtie2 --version' [2.5.4]) Output format is BAM (default) Alignments will be written out in BAM format. Samtools found here: '/srlab/programs/samtools-1.20/samtools' Reference genome folder provided is /mmfs1/gscratch/scrubbed/sr320/github/project-chilean-mussel/data/Mchi/ (absolute path is '/mmfs1/gscratch/scrubbed/sr320/github/project-chilean-mussel/data/Mchi/)' FastQ format assumed (by default) Attention: early reports suggested that high values of -p to have diminishing returns. Please test different values using a small subset of data for your hardware setting. Each Bowtie 2 instance is going to be run with 8 threads. Please monitor performance closely and tune down if necessary! Input files to be analysed (in current folder '/mmfs1/gscratch/scrubbed/sr320/github/project-chilean-mussel/output/06.1-bismark'): /mmfs1/gscratch/scrubbed/strigg/analyses/20250731_methylseq/raw-reads/LYa_BSr1_R1.fastq.gz /mmfs1/gscratch/scrubbed/strigg/analyses/20250731_methylseq/raw-reads/LYa_BSr1_R2.fastq.gz Library is assumed to be strand-specific (directional), alignments to strands complementary to the original top or bottom strands will be ignored (i.e. not performed!) Output will be written into the directory: /mmfs1/gscratch/scrubbed/sr320/github/project-chilean-mussel/output/06.1-bismark/ Setting parallelization to single-threaded (default) Summary of all aligner options: -q --score-min L,0,-0.8 -p 8 --reorder --ignore-quals --no-mixed --no-discordant --dovetail --maxins 500 Current working directory is: /mmfs1/gscratch/scrubbed/sr320/github/project-chilean-mussel/output/06.1-bismark Now reading in and storing sequence information of the genome specified in: /mmfs1/gscratch/scrubbed/sr320/github/project-chilean-mussel/data/Mchi/ Single-core mode: setting pid to 1 Paired-end alignments will be performed ======================================= The provided filenames for paired-end alignments are /mmfs1/gscratch/scrubbed/strigg/analyses/20250731_methylseq/raw-reads/LYa_BSr1_R1.fastq.gz and /mmfs1/gscratch/scrubbed/strigg/analyses/20250731_methylseq/raw-reads/LYa_BSr1_R2.fastq.gz Input files are in FastQ format Writing a C -> T converted version of the input file LYa_BSr1_R1.fastq.gz to LYa_BSr1_R1.fastq.gz_C_to_T.fastq Created C -> T converted version of the FastQ file LYa_BSr1_R1.fastq.gz (100000000 sequences in total) Writing a G -> A converted version of the input file LYa_BSr1_R2.fastq.gz to LYa_BSr1_R2.fastq.gz_G_to_A.fastq Created G -> A converted version of the FastQ file LYa_BSr1_R2.fastq.gz (100000000 sequences in total) Input files are LYa_BSr1_R1.fastq.gz_C_to_T.fastq and LYa_BSr1_R2.fastq.gz_G_to_A.fastq (FastQ) Now running 2 instances of Bowtie 2 against the bisulfite genome of /mmfs1/gscratch/scrubbed/sr320/github/project-chilean-mussel/data/Mchi/ with the specified options: -q --score-min L,0,-0.8 -p 8 --reorder --ignore-quals --no-mixed --no-discordant --dovetail --maxins 500 Now starting a Bowtie 2 paired-end alignment for CTread1GAread2CTgenome (reading in sequences from LYa_BSr1_R1.fastq.gz_C_to_T.fastq and LYa_BSr1_R2.fastq.gz_G_to_A.fastq, with the options: -q --score-min L,0,-0.8 -p 8 --reorder --ignore-quals --no-mixed --no-discordant --dovetail --maxins 500 --norc)) stat: Bad file descriptor Warning: Could not open read file "LYa_BSr1_R1.fastq.gz_C_to_T.fastq" for reading; skipping... Error: No input read files were valid (ERR): bowtie2-align exited with value 1 Found no alignment, assigning undef to last_seq_id and last_lines Now starting a Bowtie 2 paired-end alignment for CTread1GAread2GAgenome (reading in sequences from LYa_BSr1_R1.fastq.gz_C_to_T.fastq and LYa_BSr1_R2.fastq.gz_G_to_A.fastq, with the options: -q --score-min L,0,-0.8 -p 8 --reorder --ignore-quals --no-mixed --no-discordant --dovetail --maxins 500 --nofw)) stat: Bad file descriptor Warning: Could not open read file "LYa_BSr1_R1.fastq.gz_C_to_T.fastq" for reading; skipping... Error: No input read files were valid (ERR): bowtie2-align exited with value 1 Found no alignment, assigning undef to last_seq_id and last_lines >>> Writing bisulfite mapping results to LYa_BSr1_pe.bam <<< Reading in the sequence files /mmfs1/gscratch/scrubbed/strigg/analyses/20250731_methylseq/raw-reads/LYa_BSr1_R1.fastq.gz and /mmfs1/gscratch/scrubbed/strigg/analyses/20250731_methylseq/raw-reads/LYa_BSr1_R2.fastq.gz Processed 1000000 sequence pairs so far Processed 2000000 sequence pairs so far Processed 3000000 sequence pairs so far Processed 4000000 sequence pairs so far Processed 5000000 sequence pairs so far Processed 6000000 sequence pairs so far Processed 7000000 sequence pairs so far Processed 8000000 sequence pairs so far Processed 9000000 sequence pairs so far Processed 10000000 sequence pairs so far Processed 11000000 sequence pairs so far Processed 12000000 sequence pairs so far Processed 13000000 sequence pairs so far Processed 14000000 sequence pairs so far Processed 15000000 sequence pairs so far Processed 16000000 sequence pairs so far Processed 17000000 sequence pairs so far Processed 18000000 sequence pairs so far Processed 19000000 sequence pairs so far Processed 20000000 sequence pairs so far Processed 21000000 sequence pairs so far Processed 22000000 sequence pairs so far Processed 23000000 sequence pairs so far Processed 24000000 sequence pairs so far Processed 25000000 sequence pairs so far Processed 26000000 sequence pairs so far Processed 27000000 sequence pairs so far Processed 28000000 sequence pairs so far Processed 29000000 sequence pairs so far Processed 30000000 sequence pairs so far Processed 31000000 sequence pairs so far Processed 32000000 sequence pairs so far Processed 33000000 sequence pairs so far Processed 34000000 sequence pairs so far Processed 35000000 sequence pairs so far Processed 36000000 sequence pairs so far Processed 37000000 sequence pairs so far Processed 38000000 sequence pairs so far Processed 39000000 sequence pairs so far Processed 40000000 sequence pairs so far Processed 41000000 sequence pairs so far Processed 42000000 sequence pairs so far Processed 43000000 sequence pairs so far Processed 44000000 sequence pairs so far Processed 45000000 sequence pairs so far Processed 46000000 sequence pairs so far Processed 47000000 sequence pairs so far Processed 48000000 sequence pairs so far Processed 49000000 sequence pairs so far Processed 50000000 sequence pairs so far Processed 51000000 sequence pairs so far Processed 52000000 sequence pairs so far Processed 53000000 sequence pairs so far Processed 54000000 sequence pairs so far Processed 55000000 sequence pairs so far Processed 56000000 sequence pairs so far Processed 57000000 sequence pairs so far Processed 58000000 sequence pairs so far Processed 59000000 sequence pairs so far Processed 60000000 sequence pairs so far Processed 61000000 sequence pairs so far Processed 62000000 sequence pairs so far Processed 63000000 sequence pairs so far Processed 64000000 sequence pairs so far Processed 65000000 sequence pairs so far Processed 66000000 sequence pairs so far Processed 67000000 sequence pairs so far Processed 68000000 sequence pairs so far Processed 69000000 sequence pairs so far Processed 70000000 sequence pairs so far Processed 71000000 sequence pairs so far Processed 72000000 sequence pairs so far Processed 73000000 sequence pairs so far Processed 74000000 sequence pairs so far Processed 75000000 sequence pairs so far Processed 76000000 sequence pairs so far Processed 77000000 sequence pairs so far Processed 78000000 sequence pairs so far Processed 79000000 sequence pairs so far Processed 80000000 sequence pairs so far Processed 81000000 sequence pairs so far Processed 82000000 sequence pairs so far Processed 83000000 sequence pairs so far Processed 84000000 sequence pairs so far Processed 85000000 sequence pairs so far Processed 86000000 sequence pairs so far Processed 87000000 sequence pairs so far Processed 88000000 sequence pairs so far Processed 89000000 sequence pairs so far Processed 90000000 sequence pairs so far Processed 91000000 sequence pairs so far Processed 92000000 sequence pairs so far Processed 93000000 sequence pairs so far Processed 94000000 sequence pairs so far Processed 95000000 sequence pairs so far Processed 96000000 sequence pairs so far Processed 97000000 sequence pairs so far Processed 98000000 sequence pairs so far Processed 99000000 sequence pairs so far Processed 100000000 sequence pairs so far Processed 100000000 sequences in total Could not delete temporary files LYa_BSr1_R1.fastq.gz_C_to_T.fastq and LYa_BSr1_R2.fastq.gz_G_to_A.fastq properly: No such file or directory Final Alignment report ====================== Sequence pairs analysed in total: 100000000 Final Cytosine Methylation Report ================================= Total number of C's analysed: 0 Total methylated C's in CpG context: 0 Total methylated C's in CHG context: 0 Total methylated C's in CHH context: 0 Total methylated C's in Unknown context: 0 Total unmethylated C's in CpG context: 0 Total unmethylated C's in CHG context: 0 Total unmethylated C's in CHH context: 0 Total unmethylated C's in Unknown context: 0 Can't determine percentage of methylated Cs in CpG context if value was 0 Can't determine percentage of methylated Cs in CHG context if value was 0 Can't determine percentage of methylated Cs in CHH context if value was 0 Can't determine percentage of methylated Cs in Unknown context (CN or CHN) if value was 0 Bismark completed in 0d 0h 13m 37s ==================== Bismark run complete ==================== e pairs so far Processed 75000000 sequence pairs so far Processed 76000000 sequence pairs so far Processed 77000000 sequence pairs so far Processed 78000000 sequence pairs so far Processed 79000000 sequence pairs so far Processed 80000000 sequence pairs so far Processed 81000000 sequence pairs so far Processed 82000000 sequence pairs so far Processed 83000000 sequence pairs so far Processed 84000000 sequence pairs so far Processed 85000000 sequence pairs so far Processed 86000000 sequence pairs so far Processed 87000000 sequence pairs so far Processed 88000000 sequence pairs so far Processed 89000000 sequence pairs so far Processed 90000000 sequence pairs so far Processed 91000000 sequence pairs so far Processed 92000000 sequence pairs so far Processed 93000000 sequence pairs so far Processed 94000000 sequence pairs so far Processed 95000000 sequence pairs so far Processed 96000000 sequence pairs so far Processed 97000000 sequence pairs so far Processed 98000000 sequence pairs so far Processed 99000000 sequence pairs so far Processed 100000000 sequence pairs so far Processed 100000000 sequences in total Successfully deleted the temporary files LYa_BSr1_R1.fastq.gz_C_to_T.fastq and LYa_BSr1_R2.fastq.gz_G_to_A.fastq Final Alignment report ====================== Sequence pairs analysed in total: 100000000 Final Cytosine Methylation Report ================================= Total number of C's analysed: 665613135 Total methylated C's in CpG context: 12498757 Total methylated C's in CHG context: 2459774 Total methylated C's in CHH context: 12093503 Total methylated C's in Unknown context: 464604 Total unmethylated C's in CpG context: 61819072 Total unmethylated C's in CHG context: 101224929 Total unmethylated C's in CHH context: 475517100 Total unmethylated C's in Unknown context: 2588393 C methylated in CpG context: 16.8% C methylated in CHG context: 2.4% C methylated in CHH context: 2.5% C methylated in Unknown context (CN or CHN): 15.2% Bismark completed in 0d 1h 22m 53s ==================== Bismark run complete ====================