Package: munin-node
Version: 1.2.6-10~lenny1
Iostat munin plugin does not print values for disks in out Xen domU's.
I just went trough the code. I do not want to spend more time with
debugging the issue.
This small patch helped me:
www:/etc/munin# diff /usr/share/munin/plugins/iostat
/usr/share/munin/plugins/iostat.original
208c208
< next unless $tmpnam !~ /\/c\d+d\d+$/
---
> next unless $tmpnam =~
/\/c\d+d\d+$/
Here are some outputs from one of the domU's:
www:/etc/munin# /usr/share/munin/plugins/iostat
dev8_0_read.value 177762
dev8_0_write.value 3734712
dev8_1_read.value 928
dev8_1_write.value 56
dev8_2_read.value 174506
dev8_2_write.value 3660064
dev8_3_read.value 135562
dev8_3_write.value 3525368
dev8_4_read.value 1914
dev8_4_write.value 65858
dev8_5_read.value 117298
dev8_5_write.value 5525840
dev8_6_read.value 153290
dev8_6_write.value 96536960
www:/etc/munin# /usr/share/munin/plugins/iostat.original
www:/etc/munin#
www:/etc/munin# cat /proc/diskstats
1 0 ram0 0 0 0 0 0 0 0 0 0 0 0
1 1 ram1 0 0 0 0 0 0 0 0 0 0 0
1 2 ram2 0 0 0 0 0 0 0 0 0 0 0
1 3 ram3 0 0 0 0 0 0 0 0 0 0 0
1 4 ram4 0 0 0 0 0 0 0 0 0 0 0
1 5 ram5 0 0 0 0 0 0 0 0 0 0 0
1 6 ram6 0 0 0 0 0 0 0 0 0 0 0
1 7 ram7 0 0 0 0 0 0 0 0 0 0 0
1 8 ram8 0 0 0 0 0 0 0 0 0 0 0
1 9 ram9 0 0 0 0 0 0 0 0 0 0 0
1 10 ram10 0 0 0 0 0 0 0 0 0 0 0
1 11 ram11 0 0 0 0 0 0 0 0 0 0 0
1 12 ram12 0 0 0 0 0 0 0 0 0 0 0
1 13 ram13 0 0 0 0 0 0 0 0 0 0 0
1 14 ram14 0 0 0 0 0 0 0 0 0 0 0
1 15 ram15 0 0 0 0 0 0 0 0 0 0 0
8 1 sda1 8737 11319 177762 32548 146648 320357 3736040 1380336 0
266040 1412884
8 2 sda2 56 60 928 256 1 6 56 8 0 220 264
8 3 sda3 3196 497 174506 18996 171239 286426 3661336 1841768 0
515136 1860764
8 4 sda4 1985 448 135562 13276 268103 172803 3527248 2187868 0
617364 2201132
8 5 sda5 206 94 1914 2316 11302 21640 65890 376636 0 337988 378944
8 6 sda6 3992 927 117298 22856 198009 493040 5528392 2236244 0
225820 2259096
8 17 sdb1 16710 317 153290 37896 4194482 7878758 96585976 448235936
0 5676744 448273756
9 0 md0 0 0 0 0 0 0 0 0 0 0 0
9 1 md1 0 0 0 0 0 0 0 0 0 0 0
9 2 md2 0 0 0 0 0 0 0 0 0 0 0
9 3 md3 0 0 0 0 0 0 0 0 0 0 0
9 4 md4 0 0 0 0 0 0 0 0 0 0 0
www:/etc/munin# cat /proc/partitions
major minor #blocks name
8 1 1572864 sda1
8 2 524288 sda2
8 3 1048576 sda3
8 4 1048576 sda4
8 5 524288 sda5
8 6 2097152 sda6
8 17 5242880 sdb1
Best regards,
Peter Viskup
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