Volume scan regularly finds large number of errors

I have this happening as well with my new Duo v2 / 2 x WD20EARX-00PASB0, both HDD's set up as separate volumes Raid0. Pretty disappointing really, does anybody know if this means there has been file corruption?

***** File system check performed at Sat Feb 18 13:38:07 NZDT 2012 *****
fsck from util-linux-ng 2.17.2
e2fsck 1.41.14 (22-Dec-2010)
Pass 1: Checking inodes, blocks, and sizes
Inode 19791884, i_blocks is 64, should be 56. Fix? yes

Inode 19824686, i_blocks is 949440, should be 949448. Fix? yes

Inode 19824751, i_blocks is 939744, should be 939752. Fix? yes

Inode 19825187, i_blocks is 645760, should be 645768. Fix? yes

Inode 19825286, i_blocks is 779536, should be 779544. Fix? yes

Inode 19825294, i_blocks is 779032, should be 779040. Fix? yes

Inode 19825958, i_blocks is 599056, should be 599064. Fix? yes

Inode 19827833, i_blocks is 724712, should be 724720. Fix? yes

Inode 19828062, i_blocks is 524296, should be 524304. Fix? yes

Inode 19828074, i_blocks is 524296, should be 524304. Fix? yes

Inode 19829055, i_blocks is 922960, should be 922968. Fix? yes

Inode 19829065, i_blocks is 575312, should be 575320. Fix? yes

Inode 19829068, i_blocks is 987408, should be 987416. Fix? yes

Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information

/dev/mapper/c-c: ***** FILE SYSTEM WAS MODIFIED *****
/dev/mapper/c-c: 6926/30285824 files (1.1% non-contiguous), 248501823/484573184 blocks
e2fsck 1.41.14 (22-Dec-2010)
Pass 1: Checking inodes, blocks, and sizes
Inode 16023555, i_blocks is 732384, should be 732392. Fix? yes

Inode 17499366, i_blocks is 860736, should be 860744. Fix? yes

Inode 17504873, i_blocks is 715568, should be 715576. Fix? yes

Inode 17504893, i_blocks is 792544, should be 792552. Fix? yes

Inode 17504895, i_blocks is 791848, should be 791856. Fix? yes

Inode 17504897, i_blocks is 796280, should be 796288. Fix? yes

Inode 17504899, i_blocks is 738872, should be 738880. Fix? yes

Inode 17504901, i_blocks is 813456, should be 813464. Fix? yes

Inode 17504903, i_blocks is 793392, should be 793400. Fix? yes

Inode 17504905, i_blocks is 797664, should be 797672. Fix? yes

Inode 17504907, i_blocks is 799872, should be 799880. Fix? yes

Inode 17504909, i_blocks is 801704, should be 801712. Fix? yes

Inode 17504911, i_blocks is 802224, should be 802232. Fix? yes

Inode 17504919, i_blocks is 799016, should be 799024. Fix? yes

Inode 17504922, i_blocks is 830536, should be 830544. Fix? yes

Inode 17504925, i_blocks is 989248, should be 989256. Fix? yes

Inode 17504939, i_blocks is 795336, should be 795344. Fix? yes

Inode 17505069, i_blocks is 738600, should be 738608. Fix? yes

Inode 17505071, i_blocks is 671848, should be 671856. Fix? yes

Inode 17505088, i_blocks is 566208, should be 566216. Fix? yes

Inode 17531412, i_blocks is 476008, should be 476016. Fix? yes

Inode 17531421, i_blocks is 478000, should be 478008. Fix? yes

Inode 17531433, i_blocks is 717152, should be 717160. Fix? yes

Inode 17531434, i_blocks is 707696, should be 707704. Fix? yes

Inode 17531435, i_blocks is 716496, should be 716504. Fix? yes

Inode 17531436, i_blocks is 714832, should be 714840. Fix? yes

Inode 17531437, i_blocks is 716416, should be 716424. Fix? yes

Inode 17531438, i_blocks is 717272, should be 717280. Fix? yes

Inode 17531439, i_blocks is 712936, should be 712944. Fix? yes

Inode 17531440, i_blocks is 716280, should be 716288. Fix? yes

Inode 17531441, i_blocks is 719288, should be 719296. Fix? yes

Inode 17531443, i_blocks is 716336, should be 716344. Fix? yes

Inode 17531444, i_blocks is 717000, should be 717008. Fix? yes

Inode 17531446, i_blocks is 717536, should be 717544. Fix? yes

Inode 17531447, i_blocks is 714344, should be 714352. Fix? yes

Inode 17531449, i_blocks is 716680, should be 716688. Fix? yes

Inode 17531450, i_blocks is 713912, should be 713920. Fix? yes

Inode 17531451, i_blocks is 716888, should be 716896. Fix? yes

Inode 17531452, i_blocks is 717736, should be 717744. Fix? yes

Inode 17531515, i_blocks is 358200, should be 358208. Fix? yes

Inode 17531523, i_blocks is 358120, should be 358128. Fix? yes

Inode 17531531, i_blocks is 985936, should be 985944. Fix? yes

Inode 17531566, i_blocks is 718640, should be 718648. Fix? yes

Inode 17531567, i_blocks is 717104, should be 717112. Fix? yes

Inode 17531568, i_blocks is 712216, should be 712224. Fix? yes

Inode 17531569, i_blocks is 712088, should be 712096. Fix? yes

Inode 17531570, i_blocks is 717792, should be 717800. Fix? yes

Inode 17531571, i_blocks is 718032, should be 718040. Fix? yes

Inode 17531572, i_blocks is 711952, should be 711960. Fix? yes

Inode 17531573, i_blocks is 713048, should be 713056. Fix? yes

Inode 17531574, i_blocks is 717488, should be 717496. Fix? yes

Inode 17531575, i_blocks is 715304, should be 715312. Fix? yes

Inode 17531576, i_blocks is 713120, should be 713128. Fix? yes

Inode 17531577, i_blocks is 715328, should be 715336. Fix? yes

Inode 17531578, i_blocks is 715328, should be 715336. Fix? yes

Inode 17531579, i_blocks is 713392, should be 713400. Fix? yes

Inode 17531580, i_blocks is 713440, should be 713448. Fix? yes

Inode 17531581, i_blocks is 712152, should be 712160. Fix? yes

Inode 17531582, i_blocks is 717344, should be 717352. Fix? yes

Inode 17531583, i_blocks is 716816, should be 716824. Fix? yes

Inode 17531584, i_blocks is 716688, should be 716696. Fix? yes

Inode 17531585, i_blocks is 710752, should be 710760. Fix? yes

Inode 17531586, i_blocks is 717464, should be 717472. Fix? yes

Inode 17531587, i_blocks is 717472, should be 717480. Fix? yes

Inode 17531588, i_blocks is 716504, should be 716512. Fix? yes

Inode 17531601, i_blocks is 717760, should be 717768. Fix? yes

Inode 17531636, i_blocks is 380856, should be 380864. Fix? yes

Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information

/dev/mapper/d-d: ***** FILE SYSTEM WAS MODIFIED *****
/dev/mapper/d-d: 12183/30285824 files (5.8% non-contiguous), 353526338/484573184 blocks