rendered paste bodyRAID is hardware RAID 5 with 4 disks on a 3ware card
1] No Xen, No RAID, No LVM
Timing cached reads: 5426 MB in 2.00 seconds = 2719.34 MB/sec
Timing buffered disk reads: 182 MB in 3.02 seconds = 60.21 MB/sec
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
Knoppix 8G 42392 75 50016 13 22174 0 37951 31 60472 0 172.8 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
Knoppix,8G,42392,75,50016,13,22174,0,37951,31,60472,0,172.8,0,16,+++++,+++,+++++
,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++
===================================================================================================
2] No Xen, No RAID, With LVM
Timing cached reads: 5294 MB in 2.00 seconds = 2652.74 MB/sec
HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for d
evice
Timing buffered disk reads: 182 MB in 3.01 seconds = 60.49 MB/sec
HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for d
evice
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
Knoppix 8G 42911 78 52679 14 22588 0 37377 30 60616 0 177.0 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
Knoppix,8G,42911,78,52679,14,22588,0,37377,30,60616,0,177.0,0,16,+++++,+++,+++++
,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++
================================================================================
3] No Xen, With RAID, With LVM
Timing cached reads: 6506 MB in 2.00 seconds = 3256.27 MB/sec
Timing buffered disk reads: 478 MB in 2.80 seconds = 170.68 MB/sec
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
bluefarm 8G 53017 90 82133 20 38419 6 47997 76 185251 15 421.5 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
bluefarm,8G,53017,90,82133,20,38419,6,47997,76,185251,15,421.5,0,16,+++++,+++,++
+++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++
===============================================================
4] Xen DomU, With RAID, With LVM volume (exported to DomU)
/dev/hda1:
Timing cached reads: 6448 MB in 1.99 seconds = 3233.19 MB/sec
Timing buffered disk reads: 316 MB in 3.01 seconds = 105.13 MB/sec
root@blueedge:/tmp# hdparm -tT /dev/hda1
/dev/hda1:
Timing cached reads: 6406 MB in 1.99 seconds = 3212.27 MB/sec
Timing buffered disk reads: 392 MB in 3.05 seconds = 128.59 MB/sec
root@blueedge:/tmp# hdparm -tT /dev/hda1
/dev/hda1:
Timing cached reads: 6156 MB in 1.99 seconds = 3085.86 MB/sec
Timing buffered disk reads: 166 MB in 3.01 seconds = 55.17 MB/sec
root@blueedge:/tmp# hdparm -tT /dev/hda1
/dev/hda1:
Timing cached reads: 6268 MB in 1.99 seconds = 3142.77 MB/sec
Timing buffered disk reads: 412 MB in 3.02 seconds = 136.49 MB/sec
root@blueedge:/tmp# hdparm -tT /dev/hda1
/dev/hda1:
Timing cached reads: 6254 MB in 1.99 seconds = 3136.11 MB/sec
Timing buffered disk reads: 214 MB in 3.04 seconds = 70.39 MB/sec
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
blueedge 1G 26432 41 35624 5 6501 0 23122 23 31942 0 192.3 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
blueedge,1G,26432,41,35624,5,6501,0,23122,23,31942,0,192.3,0,16,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
blueedge 1G 30519 48 34402 4 6610 0 20878 20 37265 0 210.7 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
blueedge,1G,30519,48,34402,4,6610,0,20878,20,37265,0,210.7,0,16,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
blueedge 1G 33572 53 26939 3 6073 0 22598 22 74384 1 218.6 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
blueedge,1G,33572,53,26939,3,6073,0,22598,22,74384,1,218.6,0,16,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++
=======================================================================
5] Xen Dom0, With RAID, With LVM (same LV as 4)
Timing cached reads: 5556 MB in 2.00 seconds = 2784.63 MB/sec
Timing buffered disk reads: 524 MB in 3.00 seconds = 174.48 MB/sec
Timing cached reads: 5668 MB in 2.00 seconds = 2841.03 MB/sec
Timing buffered disk reads: 508 MB in 3.01 seconds = 168.77 MB/sec
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
bluefarm 5G 53188 93 72990 22 23504 3 48705 69 173722 7 447.7 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
bluefarm,5G,53188,93,72990,22,23504,3,48705,69,173722,7,447.7,0,16,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
bluefarm 5G 52684 94 71201 21 23650 3 49595 75 174746 7 453.6 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
bluefarm,5G,52684,94,71201,21,23650,3,49595,75,174746,7,453.6,0,16,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++
==============================================================================
6] Xen DomU, No RAID, No LVM (same partition as test 1, but exported to DomU)
/dev/hda3:
Timing cached reads: 6802 MB in 1.99 seconds = 3410.90 MB/sec
Timing buffered disk reads: 222 MB in 3.00 seconds = 73.93 MB/sec
root@blueedge:/home/samokk# hdparm -tT /dev/hda3
/dev/hda3:
Timing cached reads: 6420 MB in 1.99 seconds = 3218.73 MB/sec
Timing buffered disk reads: 222 MB in 3.01 seconds = 73.87 MB/sec
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
blueedge 1G 57522 90 63462 7 29063 0 58126 74 72787 0 241.9 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
blueedge,1G,57522,90,63462,7,29063,0,58126,74,72787,0,241.9,0,16,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
blueedge 1G 60261 95 64564 8 28939 0 58094 75 72798 0 236.5 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
blueedge,1G,60261,95,64564,8,28939,0,58094,75,72798,0,236.5,0,16,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++
7] Xen DomU, No RAID, No LVM
Timing cached reads: 6842 MB in 1.99 seconds = 3431.30 MB/sec
Timing buffered disk reads: 216 MB in 3.03 seconds = 71.33 MB/sec
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
blueedge 8G 54052 91 58676 7 29615 1 58785 72 58487 0 95.9 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
blueedge,8G,54052,91,58676,7,29615,1,58785,72,58487,0,95.9,0,16,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++
8] Xen DomU, No RAID, With LVM (same disk as 7)
Timing cached reads: 6776 MB in 1.99 seconds = 3397.42 MB/sec
Timing buffered disk reads: 208 MB in 3.01 seconds = 69.10 MB/sec
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
blueedge 8G 54662 90 58441 7 30175 1 59829 72 64662 0 97.1 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
blueedge,8G,54662,90,58441,7,30175,1,59829,72,64662,0,97.1,0,16,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++