Peter Warasin wrote:
> Mike Tremaine wrote:
>> Under raid this returns 9 0 where 9 is in fact the md devices but there is
>> no 0
>> so nothing gets used.
>
> hmm. i have a 0, interesting. probably it depends on how the raid has
> been built.
> i think i will total up all md* devices, so i am on the safe side to
> gather all, since people use to have also ide drives which have 3 as
> major number :)
>
> people which use their firewall as nas, which i hope are very few,
> should then not be surprised about their graphs, lol
>
> peter
>
If you have a /dev/md0 then I'd expect you to have a zero but I don't know if
that is going to give you total disk usage in the same way that /dev/hda or
/dev/hdb
Here are some of my examples
#Example 1 -
[EMAIL PROTECTED] ~]$ df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/md2 56940972 19679400 34369076 37% /
/dev/md0 101018 18999 76803 20% /boot
none 509768 0 509768 0% /dev/shm
3 0 hda 38970433 9541386 2224302607 380750626 33254654 54828055
705102684 1828428779 0 154074279 2209339536
3 1 hda1 554 1214 8655 17316
3 2 hda2 5385575 43080995 1447759 11582072
3 3 hda3 43127593 2181218718 80517236 644137888
22 0 hdc 35059178 8781941 1954715857 391226598 33251018 54831764
705102684 1831914197 0 162731527 2223301251
22 1 hdc1 255 670 8655 17316
22 2 hdc2 5351176 42807595 1447759 11582072
22 3 hdc3 38491459 1911906344 80517236 644137888
9 0 md0 227 0 720 0 8655 0 17316 0 0 0 0
9 2 md2 81618662 0 4093124282 0 80517236 0 644137888 0 0 0 0
9 1 md1 10735977 0 85887816 0 1447759 0 11582072 0 0 0 0
[md1 would be swap]
#Example 2 -
[EMAIL PROTECTED] ~]$ df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/md0 56775996 32698764 21146580 61% /
none 387824 0 387824 0% /dev/shm
3 0 hda 10033 1112 337742 62670 25295 54053 634968 171013 0 51784 233683
3 1 hda1 11024 336766 73597 588776
33 0 hde 10929 958 391704 103651 25227 54122 634968 302763 0 70823 406414
33 1 hde1 11765 390728 73597 588776
22 0 hdc 0 0 0 0 0 0 0 0 0 0 0
9 0 md0 22655 0 727226 0 73597 0 588776 0 0 0 0
[In this case swap is a file on md0 - long story ;)]
#Example 3 -
And finally here is an actual Endian box...
3 0 hda 0 0 0 0 0 0 0 0 0 0 0
8 0 sda 72780 3449 1487960 733881 10441390 23594608 272601538 70498442 0
6782590 71244304
8 1 sda1 24 1132 2 10
8 2 sda2 16 128 58 464
8 3 sda3 7822 193914 714227 5713816
8 4 sda4 68362 1292746 31323018 250584144
8 16 sdb 72543 3605 1512880 725260 10560371 23476851 272601538 68732896 0
6516084 69470330
8 17 sdb1 38 584 2 10
8 18 sdb2 41 328 58 464
8 19 sdb3 6999 170624 714227 5713816
8 20 sdb4 69066 1341304 31323017 250584136
[EMAIL PROTECTED]:/usr/local/bin # df
Filesystem 1K-blocks Used Available Use% Mounted on
rootfs 51088492 334756 48158440 1% /
none 1038052 200 1037852 1% /dev
/dev/root 51088492 334756 48158440 1% /
none 1038052 200 1037852 1% /dev
/dev/md1 15429 6535 8098 45% /boot
/dev/md4 102167008 1626200 95351016 2% /var
9 1 md1 62 0 1716 0 2 0 10 0 0 0 0
9 4 md4 137428 0 2634050 0 31323018 0 250584144 0 0 0 0
9 3 md3 14821 0 364538 0 714227 0 5713816 0 0 0 0
9 2 md2 57 0 456 0 58 0 464 0 0 0 0
#####My kludge a few days ago when I noticed the problem DO NOT DO THIS!!!!
[EMAIL PROTECTED]:/usr/local/bin # diff makegraphs makegraphs.bak
306,307c306
< #my $major = $rdev >> 8;
< my $major = 8;
---
> my $major = $rdev >> 8;
309d307
< my $sec_minor = 16;
318,329c316,327
< if ($temp[1] eq $major and ($temp[2] eq $minor or $temp[2] eq
$sec_minor)) {
< $readscompleted += $temp[4];
< $readsmerged += $temp[5];
< $reads += $temp[6];
< $readsect += $temp[7];
< $writecompleted += $temp[8];
< $writescompleted += $temp[9];
< $writess += $temp[10];
< $writesect += $temp[11];
< $writereq += $temp[12];
< $writereqtime += $temp[13];
< $time += $temp[14];
---
> if ($temp[1] eq $major and $temp[2] eq $minor) {
> $readscompleted = $temp[4];
> $readsmerged = $temp[5];
> $reads = $temp[6];
> $readsect = $temp[7];
> $writecompleted = $temp[8];
> $writescompleted = $temp[9];
> $writess = $temp[10];
> $writesect = $temp[11];
> $writereq = $temp[12];
> $writereqtime = $temp[13];
> $time = $temp[14];
Yes it gives results but I have not verified they are meaningful...... ;0
-Mike
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