virtual800 0.1

virtual800 is a FUSE-based filesystem that provides a big filesystem with big files for testing of large file transfers.

Examples:

miguelo@saturno:~$ mkdir test
miguelo@saturno:~$ virtual800 -t syssize=768T,sysfiles=28 test
miguelo@saturno:~$ cd test

miguelo@saturno:~/test$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/hda1 9.3G 2.9G 6.4G 32% /
virtual800 768T 256T 513T 34% /home/miguelo/test

miguelo@saturno:~/test$ ls -l
total 2147482624
-rw-rw-rw- 1 miguelo miguelo 1048576 2007-04-09 18:53 v800-0000-001Mb.bin
-rw-rw-rw- 1 miguelo miguelo 2097152 2007-04-09 18:53 v800-0001-002Mb.bin
-rw-rw-rw- 1 miguelo miguelo 4194304 2007-04-09 18:53 v800-0002-004Mb.bin
-rw-rw-rw- 1 miguelo miguelo 8388608 2007-04-09 18:53 v800-0003-008Mb.bin
-rw-rw-rw- 1 miguelo miguelo 16777216 2007-04-09 18:53 v800-0004-016Mb.bin
-rw-rw-rw- 1 miguelo miguelo 33554432 2007-04-09 18:53 v800-0005-032Mb.bin
-rw-rw-rw- 1 miguelo miguelo 67108864 2007-04-09 18:53 v800-0006-064Mb.bin
-rw-rw-rw- 1 miguelo miguelo 134217728 2007-04-09 18:53 v800-0007-128Mb.bin
-rw-rw-rw- 1 miguelo miguelo 268435456 2007-04-09 18:53 v800-0008-256Mb.bin
-rw-rw-rw- 1 miguelo miguelo 536870912 2007-04-09 18:53 v800-0009-512Mb.bin
-rw-rw-rw- 1 miguelo miguelo 1073741824 2007-04-09 18:53 v800-0010-001Gb.bin
-rw-rw-rw- 1 miguelo miguelo 2147483648 2007-04-09 18:53 v800-0011-002Gb.bin
-rw-rw-rw- 1 miguelo miguelo 4294967296 2007-04-09 18:53 v800-0012-004Gb.bin
-rw-rw-rw- 1 miguelo miguelo 8589934592 2007-04-09 18:53 v800-0013-008Gb.bin
-rw-rw-rw- 1 miguelo miguelo 17179869184 2007-04-09 18:53 v800-0014-016Gb.bin
-rw-rw-rw- 1 miguelo miguelo 34359738368 2007-04-09 18:53 v800-0015-032Gb.bin
-rw-rw-rw- 1 miguelo miguelo 68719476736 2007-04-09 18:53 v800-0016-064Gb.bin
-rw-rw-rw- 1 miguelo miguelo 137438953472 2007-04-09 18:53 v800-0017-128Gb.bin
-rw-rw-rw- 1 miguelo miguelo 274877906944 2007-04-09 18:53 v800-0018-256Gb.bin
-rw-rw-rw- 1 miguelo miguelo 549755813888 2007-04-09 18:53 v800-0019-512Gb.bin
-rw-rw-rw- 1 miguelo miguelo 1099511627776 2007-04-09 18:53 v800-0020-001Tb.bin
-rw-rw-rw- 1 miguelo miguelo 2199023255552 2007-04-09 18:53 v800-0021-002Tb.bin
-rw-rw-rw- 1 miguelo miguelo 4398046511104 2007-04-09 18:53 v800-0022-004Tb.bin
-rw-rw-rw- 1 miguelo miguelo 8796093022208 2007-04-09 18:53 v800-0023-008Tb.bin
-rw-rw-rw- 1 miguelo miguelo 17592186044416 2007-04-09 18:53 v800-0024-016Tb.bin
-rw-rw-rw- 1 miguelo miguelo 35184372088832 2007-04-09 18:53 v800-0025-032Tb.bin
-rw-rw-rw- 1 miguelo miguelo 70368744177664 2007-04-09 18:53 v800-0026-064Tb.bin
-rw-rw-rw- 1 miguelo miguelo 140737488355328 2007-04-09 18:53 v800-0027-128Tb.bin

miguelo@saturno:~/test$ echo "virtual800 filefilltype=byterand" > v800-0001-002Mb.bin
miguelo@saturno:~/test$ hd v800-0001-002Mb.bin | head -n 10
00000000 30 d5 7b 23 65 ab af d2 86 21 9f 51 81 b9 5d 10 |0�{#e���.!.Q.�].|
00000010 57 74 53 07 96 1d 85 37 8f d1 7c f4 dc 66 6b 0c |WtS....7.�|��fk.|
00000020 3b e6 2f a0 92 de 72 18 ff 11 69 81 cb c7 91 22 |;�/ .�r.�.i.��."|
00000030 3b e4 29 d1 02 ae 08 91 7f 85 86 5b eb f1 67 26 |;�)�.�.....[��g&|
00000040 d8 96 c6 6a 74 38 82 74 4a eb f5 15 b2 86 37 ee |�.�jt8.tJ��.�.7�|
00000050 6b 61 bf 6d 0f c8 fe 8f 4d 84 ea 38 76 52 5e 4e |ka�m.��.M.�8vR^N|
00000060 e8 24 b8 5d 5c 3a d1 a6 25 c6 bb d8 4c f3 c6 b7 |�$�]:Ѧ%ƻ�L��·|
00000070 54 85 24 63 4d 23 f2 9a a7 dd d2 1d 2f 30 6b 17 |T.$cM#�.���./0k.|
00000080 54 23 74 b1 5d 45 57 83 0b 13 5b 58 06 21 0f 5a |T#t�]EW...[X.!.Z|
00000090 a6 34 bd f4 57 b0 8e fe 8d 61 1c bc 91 87 d3 e6 |�4��W�.�.a.�..��|

miguelo@saturno:~/test$ echo "virtual800 filefilltype=bytefixrnd" > v800-0001-002Mb.bin
miguelo@saturno:~/test$ md5sum -b v800-0001-002Mb.bin
bd222758e748f74e381ef80b1a9e75fd *v800-0001-002Mb.bin
miguelo@saturno:~/test$ md5sum -b v800-0001-002Mb.bin
bd222758e748f74e381ef80b1a9e75fd *v800-0001-002Mb.bin

Product's homepage

Requirements:

· Filesystem in Userspace 2.5.0