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====== Differences ====== This shows you the differences between two versions of the page.

--- testing:filez-disknotater [2010/04/24 15:19]
fishy
+++ testing:filez-disknotater [2010/04/27 21:00] (current)
fishy
@@ Line 1: / Line 1: @@
+====== Testing Linux software raid configuration ======
+** Work in progress, these are rough notes...**
+<code>
+Version 1.03d       ------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
+filez            8G  5698  14  5692   5  4596   8 27752  63 70331  34 171.0   0
+                    ------Sequential Create------ --------Random Create--------
+                    -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
+              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
+   613  12 +++++ +++   441   8   582  12 +++++ +++   410   8
+filez,8G,5698,14,5692,5,4596,8,27752,63,70331,34,171.0,0,16,613,12,+++++,+++,441,8,582,12,+++++,+++,410,8
+</code>
+{{:testing:raidtest-char-read.png}}
+{{:testing:raidtest-block-read.png}}
+{{:testing:raidtest-char-write.png}}
+{{:testing:raidtest-block-write.png}}
+{{:testing:raidtest-seq-rewrite.png}}
+{{:testing:raidtest-random-seek.png}}
+{{:testing:raidtest-file-ops.png}}
 <code>
 En Hitachi-disk på Adaptec-kontroller, satt opp som Volume med Write-cache på kontroller.
@@ Line 13: / Line 43: @@
               files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
   5968  97 +++++ +++  7104  99  6789  93 +++++ +++  8057  99
-filez,8G,7375,35,7442,24,5718,11,28081,71,63743,45,219.4,1,16,5968,97,+++++,+++,
+filez,8G,7375,35,7442,24,5718,11,28081,71,63743,45,219.4,1,16,5968,97,+++++,+++,7104,99,6789,93,+++++,+++,8057,99
-,99,6789,93,+++++,+++,8057,99
 An Hitachi-disk på Asus-onbard AHCIkontroller, samme partisjonsoppsett som over:
@@ Line 29: / Line 58: @@
 SÅ, over SATA2 skal hver disk kunne levere 20(29)/40(125) i det minste...
+mdadm \
+--create --verbose /dev/md0 \
+ --level=raid5 \
+ --metadata=1 \
+ --raid-devices=4 \
+    /dev/sdb \
+    /dev/sdc \
+    /dev/sdd \
+    /dev/sde \
+ --chunk=256
+pvcreate /dev/md0
+vgcreate -s 32M raid5v /dev/md0
+lvcreate -n test -L 32G raid5v
+mkfs.ext3 -b 4096 -E stride=64 -i 4096 -m 0 /dev/raid5v/test
 Version 1.03d       ------Sequential Output------ --Sequential Input- --Random-
                     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
@@ Line 38: / Line 87: @@
   3885  98 +++++ +++  4938  91  2157  53 +++++ +++  2358  43
 filez,8G,9513,49,14860,50,16499,40,22149,74,31935,41,300.6,3,16,3885,98,+++++,+++,4938,91,2157,53,+++++,+++,2358,43
+Samme RAID5-sett rebuild/init var ferdig:
+Version 1.03d       ------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
+filez            8G 14559  69 20433  60 20453  50 26155  92 50916  87 441.5   5
+                    ------Sequential Create------ --------Random Create--------
+                    -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
+              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
+  3880  96 +++++ +++  5074  91  3918  98 +++++ +++  5181  94
+filez,8G,14559,69,20433,60,20453,50,26155,92,50916,87,441.5,5,16,3880,96,+++++,+++,5074,91,3918,98,+++++,+++,5181,94
+Samme RAID5-sett, men mkfs.ext3 uten -E stride=64 opsjonen
+Version 1.03d       ------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
+filez            8G 13725  67 17437  59 19201  49 26382  92 52236  86 455.7   4
+                    ------Sequential Create------ --------Random Create--------
+                    -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
+              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
+  3916  94 +++++ +++  4963  91  4877  97 +++++ +++  5486  92
+filez,8G,13725,67,17437,59,19201,49,26382,92,52236,86,455.7,4,16,3916,94,+++++,+++,4963,91,4877,97,+++++,+++,5486,92
+mdadm \
+--create --verbose /dev/md0 \
+ --level=raid5 \
+ --metadata=1 \
+ --raid-devices=4 \
+    /dev/sdb \
+    /dev/sdc \
+    /dev/sdd \
+    /dev/sde \
+ --chunk=128
+pvcreate /dev/md0
+vgcreate -s 32M raid5v /dev/md0
+lvcreate -n test -L 32G raid5v
+mkfs.ext3 -b 4096 -E stride=32 -i 4096 -m 0 /dev/raid5v/test
+under build
+Version 1.03d       ------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
+filez            8G  7881  34 11826  31 17959  28 22926  61 33085  24 153.5   1
+                    ------Sequential Create------ --------Random Create--------
+                    -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
+              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
+  1528  27 +++++ +++  1783  23  1751  27 +++++ +++  2629  36
+filez,8G,7881,34,11826,31,17959,28,22926,61,33085,24,153.5,1,16,1528,27,+++++,+++,1783,23,1751,27,+++++,+++,2629,36
+Etter build
+Version 1.03d       ------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
+filez            8G 16305  68 21675  55 23201  44 31438  92 78377  86 447.8   4
+                    ------Sequential Create------ --------Random Create--------
+                    -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
+              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
+  7215  97 +++++ +++  7768  99  8037  93 +++++ +++  8177  99
+filez,8G,16305,68,21675,55,23201,44,31438,92,78377,86,447.8,4,16,7215,97,+++++,+++,7768,99,8037,93,+++++,+++,8177,99
+mdadm \
+--create --verbose /dev/md0 \
+ --level=raid5 \
+ --metadata=1 \
+ --raid-devices=4 \
+    /dev/sdb \
+    /dev/sdc \
+    /dev/sdd \
+    /dev/sde \
+ --chunk=64
+pvcreate /dev/md0
+vgcreate -s 32M raid5v /dev/md0
+lvcreate -n test -L 32G raid5v
+mkfs.ext3 -b 4096 -E stride=16 -i 4096 -m 0 /dev/raid5v/test
+Under build:
+Version 1.03d       ------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
+filez            8G  7009  33 11222  32 14150  16 16201  47 21514  28 164.9   2
+                    ------Sequential Create------ --------Random Create--------
+                    -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
+              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
+  1543  20 28677  42  1705  24  2142  26 27715  16  2317  29
+filez,8G,7009,33,11222,32,14150,16,16201,47,21514,28,164.9,2,16,1543,20,28677,42,1705,24,2142,26,27715,16,2317,29
+Etter build-complete
+Version 1.03d       ------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
+filez            8G 16100  66 21336  54 22765  45 28652  93 61033  89 440.1   4
+                    ------Sequential Create------ --------Random Create--------
+                    -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
+              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
+  7692  98 +++++ +++  7406  98  7324  92 +++++ +++  7893  98
+filez,8G,16100,66,21336,54,22765,45,28652,93,61033,89,440.1,4,16,7692,98,+++++,+++,7406,98,7324,92,+++++,+++,7893,98
+echo 8192 > /sys/block/md0/md/stripe_cache_size
+Status for cache skal kunne leses fra /sys/block/md0/md/stripe_cache_active
+Version 1.03d       ------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
+filez            8G 15685  64 21053  54 21318  44 27955  91 58725  87 436.2   4
+                    ------Sequential Create------ --------Random Create--------
+                    -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
+              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
+  7190  97 +++++ +++  7234  96  7140  92 +++++ +++  7928  95
+filez,8G,15685,64,21053,54,21318,44,27955,91,58725,87,436.2,4,16,7190,97,+++++,+++,7234,96,7140,92,+++++,+++,7928,95
+echo 512 > /sys/block/md0/md/stripe_cache_size
+Version 1.03d       ------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
+filez            8G 15716  65 21201  53 22391  46 29170  91 64344  87 442.4   5
+                    ------Sequential Create------ --------Random Create--------
+                    -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
+              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
+  7258  96 +++++ +++  7224  91  7335  97 +++++ +++  7691  91
+filez,8G,15716,65,21201,53,22391,46,29170,91,64344,87,442.4,5,16,7258,96,+++++,+++,7224,91,7335,97,+++++,+++,7691,91
 </code>

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