[root@hpc02 hddib]# for file in $(seq -f "zero%02.0f" 1 50) ; do  echo $file; dd if=/dev/zero of=$file bs=1G count=10; done
zero01
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 12.7442 s, 843 MB/s
zero02
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 13.3864 s, 802 MB/s
zero03
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 14.037 s, 765 MB/s
zero04
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 14.3848 s, 746 MB/s
zero05
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 15.1515 s, 709 MB/s
zero06
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 68.339 s, 157 MB/s
zero07
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 84.3105 s, 127 MB/s
zero08
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 80.6593 s, 133 MB/s
zero09
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 84.5904 s, 127 MB/s
zero10
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 83.5359 s, 129 MB/s
zero11
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 84.0484 s, 128 MB/s
zero12
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 84.5535 s, 127 MB/s
zero13
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 88.2625 s, 122 MB/s
zero14
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 85.4326 s, 126 MB/s
zero15
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 87.7488 s, 122 MB/s
zero16
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 84.5658 s, 127 MB/s
zero17
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 87.1175 s, 123 MB/s
zero18
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 75.829 s, 142 MB/s
zero19
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 73.8968 s, 145 MB/s
zero20
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 75.5995 s, 142 MB/s
zero21
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 76.7526 s, 140 MB/s
zero22
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 78.3596 s, 137 MB/s
zero23
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 78.341 s, 137 MB/s
zero24
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 75.9215 s, 141 MB/s
zero25
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 82.0942 s, 131 MB/s
zero26
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 80.0234 s, 134 MB/s
zero27
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 81.0349 s, 133 MB/s
zero28
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 83.3676 s, 129 MB/s
zero29
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 86.2634 s, 124 MB/s
zero30
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 84.9718 s, 126 MB/s
zero31
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 84.3599 s, 127 MB/s
zero32
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 87.8383 s, 122 MB/s
zero33
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 89.5358 s, 120 MB/s
zero34
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 89.4931 s, 120 MB/s
zero35
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 91.0846 s, 118 MB/s
zero36
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 93.0739 s, 115 MB/s
zero37
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 92.2767 s, 116 MB/s
zero38
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 93.5383 s, 115 MB/s
zero39
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 95.2451 s, 113 MB/s
zero40
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 95.3989 s, 113 MB/s
zero41
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 96.7982 s, 111 MB/s
zero42
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 99.0825 s, 108 MB/s
zero43
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 98.668 s, 109 MB/s
zero44
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 99.8592 s, 108 MB/s
zero45
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 103.082 s, 104 MB/s
zero46
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 101.426 s, 106 MB/s
zero47
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 103.457 s, 104 MB/s
zero48
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 108.029 s, 99.4 MB/s
zero49
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 105.848 s, 101 MB/s
zero50
10+0 records in
10+0 records out
10737418240 bytes (11 GB) copied, 108.861 s, 98.6 MB/s
[root@hpc02 hddib]#