On Tue, Oct 03, 2023 at 12:57:44PM +0100, fdmanana@xxxxxxxxxx wrote:
> From: Filipe Manana <fdmanana@xxxxxxxx>
>
> Several tests are redirecting the output of fsstress to /dev/null and this
> makes it harder to debug a test failure because we have no way of knowing
> what was the seed used by fsstress, as fsstress outputs the seed it uses
> to stdout. Very often when such a test fails, I have to go modify to
> redirect stdout to the $seqres.full file and then run it in a loop until
> I find a seed that causes a failure.
>
> So modify all tests that redirect fsstress' output to /dev/null to instead
> redirect it to the $seqres.full file. Note that for some tests I've added
> the style ">> $seqres.full" (with a space after >>) while for others I did
> ">>$seqres.full" (no space) - the reason for this was to keep style
> consistency within each test case.
>
> Signed-off-by: Filipe Manana <fdmanana@xxxxxxxx>
> ---
> tests/btrfs/028 | 2 +-
> tests/btrfs/049 | 2 +-
> tests/btrfs/060 | 2 +-
> tests/btrfs/061 | 2 +-
> tests/btrfs/062 | 2 +-
> tests/btrfs/063 | 2 +-
> tests/btrfs/064 | 2 +-
> tests/btrfs/065 | 2 +-
> tests/btrfs/066 | 2 +-
> tests/btrfs/067 | 2 +-
> tests/btrfs/068 | 2 +-
> tests/btrfs/069 | 2 +-
> tests/btrfs/070 | 2 +-
> tests/btrfs/071 | 2 +-
> tests/btrfs/072 | 2 +-
> tests/btrfs/073 | 2 +-
> tests/btrfs/074 | 2 +-
> tests/btrfs/136 | 2 +-
> tests/btrfs/192 | 2 +-
> tests/btrfs/232 | 2 +-
> tests/btrfs/261 | 2 +-
> tests/btrfs/286 | 2 +-
> tests/ext4/057 | 2 +-
> tests/ext4/307 | 2 +-
> tests/generic/068 | 2 +-
> tests/generic/269 | 2 +-
> tests/generic/409 | 2 +-
> tests/generic/410 | 2 +-
> tests/generic/411 | 2 +-
> tests/generic/589 | 2 +-
> tests/xfs/051 | 2 +-
> tests/xfs/057 | 2 +-
> tests/xfs/297 | 2 +-
> tests/xfs/305 | 2 +-
> tests/xfs/538 | 2 +-
For the generic & xfs parts,
Acked-by: Darrick J. Wong <djwong@xxxxxxxxxx>
(The rest are also probably ok but I'm much less familiar with the
btrfs-specific tests.)
--D
> 35 files changed, 35 insertions(+), 35 deletions(-)
>
> diff --git a/tests/btrfs/028 b/tests/btrfs/028
> index fe0678f8..4637469c 100755
> --- a/tests/btrfs/028
> +++ b/tests/btrfs/028
> @@ -35,7 +35,7 @@ args=`_scale_fsstress_args -z \
> -f fsync=10 -n 100000 -p 2 \
> -d $SCRATCH_MNT/stress_dir`
> echo "Run fsstress $args" >>$seqres.full
> -$FSSTRESS_PROG $args >/dev/null 2>&1 &
> +$FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> echo "Start balance" >>$seqres.full
> diff --git a/tests/btrfs/049 b/tests/btrfs/049
> index 9569c141..c48e4087 100755
> --- a/tests/btrfs/049
> +++ b/tests/btrfs/049
> @@ -42,7 +42,7 @@ args=`_scale_fsstress_args -z \
> -f write=10 -f creat=10 \
> -n 1000 -p 2 -d $SCRATCH_MNT/stress_dir`
> echo "Run fsstress $args" >>$seqres.full
> -$FSSTRESS_PROG $args >/dev/null 2>&1
> +$FSSTRESS_PROG $args >>$seqres.full
>
> # Start and pause balance to ensure it will be restored on remount
> echo "Start balance" >>$seqres.full
> diff --git a/tests/btrfs/060 b/tests/btrfs/060
> index 7dd4d2af..a0184891 100755
> --- a/tests/btrfs/060
> +++ b/tests/btrfs/060
> @@ -38,7 +38,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> echo -n "Start balance worker: " >>$seqres.full
> diff --git a/tests/btrfs/061 b/tests/btrfs/061
> index 55f5625b..c1010413 100755
> --- a/tests/btrfs/061
> +++ b/tests/btrfs/061
> @@ -36,7 +36,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> echo -n "Start balance worker: " >>$seqres.full
> diff --git a/tests/btrfs/062 b/tests/btrfs/062
> index 10f95111..818a0156 100755
> --- a/tests/btrfs/062
> +++ b/tests/btrfs/062
> @@ -37,7 +37,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> echo -n "Start balance worker: " >>$seqres.full
> diff --git a/tests/btrfs/063 b/tests/btrfs/063
> index cef80771..2f771baf 100755
> --- a/tests/btrfs/063
> +++ b/tests/btrfs/063
> @@ -36,7 +36,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> echo -n "Start balance worker: " >>$seqres.full
> diff --git a/tests/btrfs/064 b/tests/btrfs/064
> index f29e68ba..e9b46ce6 100755
> --- a/tests/btrfs/064
> +++ b/tests/btrfs/064
> @@ -46,7 +46,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> # Start both balance and replace in the background.
> diff --git a/tests/btrfs/065 b/tests/btrfs/065
> index b6c9dbad..c4b6aafe 100755
> --- a/tests/btrfs/065
> +++ b/tests/btrfs/065
> @@ -46,7 +46,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> # make sure the stop sign is not there
> diff --git a/tests/btrfs/066 b/tests/btrfs/066
> index 8d12af61..a29034bb 100755
> --- a/tests/btrfs/066
> +++ b/tests/btrfs/066
> @@ -38,7 +38,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> # make sure the stop sign is not there
> diff --git a/tests/btrfs/067 b/tests/btrfs/067
> index 970a23c4..709db155 100755
> --- a/tests/btrfs/067
> +++ b/tests/btrfs/067
> @@ -39,7 +39,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> # make sure the stop sign is not there
> diff --git a/tests/btrfs/068 b/tests/btrfs/068
> index e0bcc2ac..15fd41db 100755
> --- a/tests/btrfs/068
> +++ b/tests/btrfs/068
> @@ -39,7 +39,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> # make sure the stop sign is not there
> diff --git a/tests/btrfs/069 b/tests/btrfs/069
> index 6e798a2e..139dde48 100755
> --- a/tests/btrfs/069
> +++ b/tests/btrfs/069
> @@ -44,7 +44,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> echo -n "Start replace worker: " >>$seqres.full
> diff --git a/tests/btrfs/070 b/tests/btrfs/070
> index f2e61ad3..54aa275c 100755
> --- a/tests/btrfs/070
> +++ b/tests/btrfs/070
> @@ -45,7 +45,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> echo -n "Start replace worker: " >>$seqres.full
> diff --git a/tests/btrfs/071 b/tests/btrfs/071
> index 40230b11..6ebbd8cc 100755
> --- a/tests/btrfs/071
> +++ b/tests/btrfs/071
> @@ -44,7 +44,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> echo -n "Start replace worker: " >>$seqres.full
> diff --git a/tests/btrfs/072 b/tests/btrfs/072
> index bcb0ea25..4b6b6fb5 100755
> --- a/tests/btrfs/072
> +++ b/tests/btrfs/072
> @@ -37,7 +37,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> echo -n "Start scrub worker: " >>$seqres.full
> diff --git a/tests/btrfs/073 b/tests/btrfs/073
> index 26c5deb6..b1604f94 100755
> --- a/tests/btrfs/073
> +++ b/tests/btrfs/073
> @@ -36,7 +36,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> echo -n "Start scrub worker: " >>$seqres.full
> diff --git a/tests/btrfs/074 b/tests/btrfs/074
> index 92e25c7c..9b22c620 100755
> --- a/tests/btrfs/074
> +++ b/tests/btrfs/074
> @@ -37,7 +37,7 @@ run_test()
>
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
>
> echo -n "Start defrag worker: " >>$seqres.full
> diff --git a/tests/btrfs/136 b/tests/btrfs/136
> index b9ab8270..70e836a5 100755
> --- a/tests/btrfs/136
> +++ b/tests/btrfs/136
> @@ -39,7 +39,7 @@ populate_data(){
> mkdir -p $data_path
> args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $data_path`
> echo "Run fsstress $args" >>$seqres.full
> - $FSSTRESS_PROG $args >/dev/null 2>&1 &
> + $FSSTRESS_PROG $args >>$seqres.full &
> fsstress_pid=$!
> wait $fsstress_pid
> }
> diff --git a/tests/btrfs/192 b/tests/btrfs/192
> index ea261b34..80588a3c 100755
> --- a/tests/btrfs/192
> +++ b/tests/btrfs/192
> @@ -140,7 +140,7 @@ pid1=$!
> delete_workload &
> pid2=$!
>
> -"$FSSTRESS_PROG" $fsstress_args > /dev/null &
> +"$FSSTRESS_PROG" $fsstress_args >> $seqres.full &
> sleep $runtime
>
> "$KILLALL_PROG" -q "$FSSTRESS_PROG" &> /dev/null
> diff --git a/tests/btrfs/232 b/tests/btrfs/232
> index 02c7e49d..e8a22f5e 100755
> --- a/tests/btrfs/232
> +++ b/tests/btrfs/232
> @@ -25,7 +25,7 @@ writer()
>
> while true; do
> args=`_scale_fsstress_args -p 20 -n 1000 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
> - $FSSTRESS_PROG $args >/dev/null 2>&1
> + $FSSTRESS_PROG $args >> $seqres.full
> done
> }
>
> diff --git a/tests/btrfs/261 b/tests/btrfs/261
> index 50173de3..58fa8e75 100755
> --- a/tests/btrfs/261
> +++ b/tests/btrfs/261
> @@ -36,7 +36,7 @@ prepare_fs()
> # Then use fsstress to generate some extra contents.
> # Disable setattr related operations, as it may set NODATACOW which will
> # not allow us to use btrfs checksum to verify the content.
> - $FSSTRESS_PROG -f setattr=0 -d $SCRATCH_MNT -w -n 3000 > /dev/null 2>&1
> + $FSSTRESS_PROG -f setattr=0 -d $SCRATCH_MNT -w -n 3000 >> $seqres.full
> sync
>
> # Save the fssum of this fs
> diff --git a/tests/btrfs/286 b/tests/btrfs/286
> index f1ee129c..71f6d4bd 100755
> --- a/tests/btrfs/286
> +++ b/tests/btrfs/286
> @@ -36,7 +36,7 @@ workload()
> # Use nodatasum mount option, so all data won't have checksum.
> _scratch_mount -o nodatasum
>
> - $FSSTRESS_PROG -p 10 -n 200 -d $SCRATCH_MNT > /dev/null 2>&1
> + $FSSTRESS_PROG -p 10 -n 200 -d $SCRATCH_MNT >> $seqres.full
> sync
>
> # Generate fssum for later verification, here we only care
> diff --git a/tests/ext4/057 b/tests/ext4/057
> index 4006a07c..6babedb2 100755
> --- a/tests/ext4/057
> +++ b/tests/ext4/057
> @@ -42,7 +42,7 @@ _scratch_mount
>
> # Begin fsstress while modifying UUID
> fsstress_args=$(_scale_fsstress_args -d $SCRATCH_MNT -p 15 -n 999999)
> -$FSSTRESS_PROG $fsstress_args > /dev/null 2>&1 &
> +$FSSTRESS_PROG $fsstress_args >> $seqres.full &
> fsstress_pid=$!
>
> for n in $(seq 1 20); do
> diff --git a/tests/ext4/307 b/tests/ext4/307
> index db83a083..8b1cfc9e 100755
> --- a/tests/ext4/307
> +++ b/tests/ext4/307
> @@ -21,7 +21,7 @@ _workout()
> out=$SCRATCH_MNT/fsstress.$$
> args=`_scale_fsstress_args -p4 -n999 -f setattr=1 $FSSTRESS_AVOID -d $out`
> echo "fsstress $args" >> $seqres.full
> - $FSSTRESS_PROG $args > /dev/null 2>&1
> + $FSSTRESS_PROG $args >> $seqres.full
> find $out -type f > $out.list
> cat $out.list | xargs md5sum > $out.md5sum
> usage=`du -sch $out | tail -n1 | gawk '{ print $1 }'`
> diff --git a/tests/generic/068 b/tests/generic/068
> index eeddf6d1..af527fee 100755
> --- a/tests/generic/068
> +++ b/tests/generic/068
> @@ -57,7 +57,7 @@ touch $tmp.running
> # We do both read & write IO - not only is this more realistic,
> # but it also potentially tests atime updates
> FSSTRESS_ARGS=`_scale_fsstress_args -d $STRESS_DIR -p $procs -n $nops $FSSTRESS_AVOID`
> - $FSSTRESS_PROG $FSSTRESS_ARGS > /dev/null 2>&1
> + $FSSTRESS_PROG $FSSTRESS_ARGS >>$seqres.full
> done
>
> rm -r $STRESS_DIR/*
> diff --git a/tests/generic/269 b/tests/generic/269
> index 838e696d..b852f6bf 100755
> --- a/tests/generic/269
> +++ b/tests/generic/269
> @@ -23,7 +23,7 @@ _workout()
> out=$SCRATCH_MNT/fsstress.$$
> args=`_scale_fsstress_args -p128 -n999999999 -f setattr=1 $FSSTRESS_AVOID -d $out`
> echo "fsstress $args" >> $seqres.full
> - $FSSTRESS_PROG $args > /dev/null 2>&1 &
> + $FSSTRESS_PROG $args >> $seqres.full &
> pid=$!
> echo "Run dd writers in parallel"
> for ((i=0; i < num_iterations; i++))
> diff --git a/tests/generic/409 b/tests/generic/409
> index 7a5004ed..432befac 100755
> --- a/tests/generic/409
> +++ b/tests/generic/409
> @@ -58,7 +58,7 @@ fs_stress()
> -f chown=1 \
> -f getdents=1 \
> -f fiemap=1 \
> - -d $target >/dev/null
> + -d $target >>$seqres.full
> sync
> }
>
> diff --git a/tests/generic/410 b/tests/generic/410
> index f35f2f4a..8cc36d9f 100755
> --- a/tests/generic/410
> +++ b/tests/generic/410
> @@ -66,7 +66,7 @@ fs_stress()
> -f chown=1 \
> -f getdents=1 \
> -f fiemap=1 \
> - -d $target >/dev/null
> + -d $target >>$seqres.full
> sync
> }
>
> diff --git a/tests/generic/411 b/tests/generic/411
> index 9852a49d..b2b8d550 100755
> --- a/tests/generic/411
> +++ b/tests/generic/411
> @@ -49,7 +49,7 @@ fs_stress()
> -f chown=1 \
> -f getdents=1 \
> -f fiemap=1 \
> - -d $target >/dev/null
> + -d $target >>$seqres.full
> sync
> }
>
> diff --git a/tests/generic/589 b/tests/generic/589
> index c03cf1fc..bfc7407a 100755
> --- a/tests/generic/589
> +++ b/tests/generic/589
> @@ -48,7 +48,7 @@ fs_stress()
> {
> local target=$1
>
> - $FSSTRESS_PROG -n 50 -p 3 -d $target >/dev/null
> + $FSSTRESS_PROG -n 50 -p 3 -d $target >>$seqres.full
> sync
> }
>
> diff --git a/tests/xfs/051 b/tests/xfs/051
> index ea70cb50..1c670964 100755
> --- a/tests/xfs/051
> +++ b/tests/xfs/051
> @@ -38,7 +38,7 @@ _scratch_mount
>
> # Start a workload and shutdown the fs. The subsequent mount will require log
> # recovery.
> -$FSSTRESS_PROG -n 9999 -p 2 -w -d $SCRATCH_MNT > /dev/null 2>&1 &
> +$FSSTRESS_PROG -n 9999 -p 2 -w -d $SCRATCH_MNT >> $seqres.full &
> sleep 5
> _scratch_shutdown -f
> $KILLALL_PROG -q $FSSTRESS_PROG
> diff --git a/tests/xfs/057 b/tests/xfs/057
> index 9fb3f406..6af14c80 100755
> --- a/tests/xfs/057
> +++ b/tests/xfs/057
> @@ -56,7 +56,7 @@ _scratch_mkfs_sized $((1024 * 1024 * 500)) >> $seqres.full 2>&1 ||
> _scratch_mount
>
> # populate the fs with some data and cycle the mount to reset the log head/tail
> -$FSSTRESS_PROG -d $SCRATCH_MNT -z -fcreat=1 -p 4 -n 100000 > /dev/null 2>&1
> +$FSSTRESS_PROG -d $SCRATCH_MNT -z -fcreat=1 -p 4 -n 100000 >> $seqres.full
> _scratch_cycle_mount || _fail "cycle mount failed"
>
> # Pin the tail and start a file removal workload. File removal tends to
> diff --git a/tests/xfs/297 b/tests/xfs/297
> index 07f84c25..1d101876 100755
> --- a/tests/xfs/297
> +++ b/tests/xfs/297
> @@ -39,7 +39,7 @@ _scratch_mount
> STRESS_DIR="$SCRATCH_MNT/testdir"
> mkdir -p $STRESS_DIR
>
> -$FSSTRESS_PROG -d $STRESS_DIR -n 100 -p 1000 $FSSTRESS_AVOID >/dev/null 2>&1 &
> +$FSSTRESS_PROG -d $STRESS_DIR -n 100 -p 1000 $FSSTRESS_AVOID >>$seqres.full &
>
> # Freeze/unfreeze file system randomly
> echo "Start freeze/unfreeze randomly" | tee -a $seqres.full
> diff --git a/tests/xfs/305 b/tests/xfs/305
> index 41c7b7f8..d8a6712e 100755
> --- a/tests/xfs/305
> +++ b/tests/xfs/305
> @@ -36,7 +36,7 @@ _exercise()
> _qmount
> mkdir -p $QUOTA_DIR
>
> - $FSSTRESS_PROG -d $QUOTA_DIR -n 1000000 -p 100 $FSSTRESS_AVOID >/dev/null 2>&1 &
> + $FSSTRESS_PROG -d $QUOTA_DIR -n 1000000 -p 100 $FSSTRESS_AVOID >>$seqres.full &
> sleep 10
> $XFS_QUOTA_PROG -x -c "disable -$type" $SCRATCH_DEV
> sleep 5
> diff --git a/tests/xfs/538 b/tests/xfs/538
> index 2b5e97e5..0b5772a1 100755
> --- a/tests/xfs/538
> +++ b/tests/xfs/538
> @@ -63,7 +63,7 @@ $FSSTRESS_PROG -d $SCRATCH_MNT \
> -f readv=0 \
> -f stat=0 \
> -f aread=0 \
> - -f dread=0 > /dev/null 2>&1
> + -f dread=0 >> $seqres.full
>
> # success, all done
> status=0
> --
> 2.40.1
>
