Disk Statistics show other partition

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opc31199
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Disk Statistics show other partition

Postby opc31199 » Tue May 06, 2008 2:14 pm

I install ZCS 5.04 in /opt partition and the disk usage statistics show other. How I can fix it? Any idea?
Thank's


uxbod
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Disk Statistics show other partition

Postby uxbod » Wed May 07, 2008 4:27 am

Is /opt mounted on a different volume ? Which partition is it showing ?
opc31199
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Disk Statistics show other partition

Postby opc31199 » Wed May 07, 2008 6:33 am

/opt is mounted on diferent volume. It is showing /var volume.
Any idea?
warmbowski
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Disk Statistics show other partition

Postby warmbowski » Wed May 07, 2008 5:20 pm

I have the same problem. I am wondering if zmdisklog is programmed to properly log logical volumes.
I installed ZCS (OSS) 5.04 on CentOS 5. Here are my partition configurations:
[QUOTE]

sda - /dev/sda1 - /boot - ext3

sda - /dev/VolGroup00/LogVol00 - / - ext3

sda - /dev/VolGroup00/LogVol01 - swap - swap
sdb - /dev/VolGroup01/LogVol00 - /opt - ext3

sdb - /dev/VolGroup01/LogVol01 - /home - ext3

[/QUOTE]
This is the way I partitioned my drives before installing ZCS. The only graph I see is for VG01/LV01 which is mounted as /home. I would like, at the very least, to show VG01/LV00 data in a graph. But, if possible, I would like to configure both of these partitions to show up as Disk Usage graphs.
Is there a place to configure this, or is the data just pulled automatically by zmdisklog?
warmbowski
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Disk Statistics show other partition

Postby warmbowski » Wed May 07, 2008 6:52 pm

mount command give this:
[QUOTE]

[root@mail2 ~]# mount -t ext3

/dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw)

/dev/mapper/VolGroup01-LogVol00 on /opt type ext3 (rw)

/dev/sda2 on /boot type ext3 (rw)

/dev/mapper/VolGroup01-LogVol01 on /home type ext3 (rw)[/QUOTE]
when I looked in zimbra.log, I see data on each of these partitions at 10 min intervals that is accurate:
[QUOTE]

May 7 04:10:02 mail2 zimbramon[24759]: 24759:info: 2008-05-07 04:10:02, QUEUE: 0 0

May 7 04:10:03 mail2 zimbramon[24764]: 24764:info: 2008-05-07 04:10:02, DISK: mail2.domain.com: dev: /dev/mapper/VolGroup00-LogVol00, mp: /, tot: 14662, avail: 11689

May 7 04:10:03 mail2 zimbramon[24764]: 24764:info: 2008-05-07 04:10:02, DISK: mail2.domain.com: dev: /dev/mapper/VolGroup01-LogVol00, mp: /opt, tot: 116241, avail: 88184

May 7 04:10:03 mail2 zimbramon[24764]: 24764:info: 2008-05-07 04:10:02, DISK: mail2.domain.com: dev: /dev/sda2, mp: /boot, tot: 99, avail: 77

May 7 04:10:04 mail2 zimbramon[24764]: 24764:info: 2008-05-07 04:10:02, DISK: mail2.domain.com: dev: /dev/mapper/VolGroup01-LogVol01, mp: /home, tot: 16536, avail: 15524

[/QUOTE]
I also see queries in logger_myslow.log for each of these partitions.
So maybe the data is being recorded properly, but for some reason not displayed in graphs in the admin interface.
warmbowski
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Disk Statistics show other partition

Postby warmbowski » Wed May 07, 2008 7:13 pm

I also see 5 rrd files and corresponding gif files (named disk.mail2.domain.com.day.Disk_Usage_#) in /opt/zimbra/logger/db/work, but still only the graph for the /home partition appears on the disk tab of the admin interface.
Hope this help narrow down the problem.
Klug
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Disk Statistics show other partition

Postby Klug » Thu May 08, 2008 3:53 am

Are all your partitions ext3 ?
Edit after re-read the thread...

warmbowski's are actually
uxbod
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Disk Statistics show other partition

Postby uxbod » Thu May 08, 2008 4:59 am

Okay, after a bit of digging the code to look at is in /opt/zimbra/jetty/webapps/zimbraAdmin/js/zimbraAdmin/statistics/view/ZaServerDiskStatsPage.js and the code
ZaServerDiskStatsPage.prototype.writeImageHtml = function (periodInt) {

var periodString = "hour";

var serverName = this._server.name;

var periodString = this._getPeriodString(periodInt);
return AjxBuffer.concat("
".", periodString,".Disk_Usage_0.gif?nodef=1&rand=", Math.random(), "' onload='javascript:ZaServerDiskStatsPage.callMethod(",

this.__internalId , ",ZaServerDiskStatsPage.prototype.loadNextImage,[this.parentNode," ,

periodInt , ", 0])' onerror='javascript:AjxCore.objectWithId(", this.__internalId ,

").stopLoadingImages(this,0)'>
");

};
so its starts with image 0.gif and should continue to load the other partitions, until it hits 50 or no image is found. Now time to try and debug ;)
Klug
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Disk Statistics show other partition

Postby Klug » Thu May 08, 2008 6:16 am

I've checked on my server, I have 4 gifs in the directory.
The first of them are from the previous server (I upgraded the server last month), I don't want it anymore (# 1).
The three others (# 2, 3 and 4) are the one for the "new" server, seem to be correctly computed but do not appear in the stats panel of the Admin UI.
So it looks to me there's two separated issues :

. ZCS should stop computing stats for non existing partitions (and totaly remove the existing stats/graphs?)

. ZCS does not show stats for "new" partitions (new server)
warmbowski, can you check the content of all the GIF files, in order to know if the one that shows up (/home for you) is GIF #1 or another one (that would be different from my own issue then) ?
uxbod
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Disk Statistics show other partition

Postby uxbod » Thu May 08, 2008 6:24 am

Indeed Klug that is correct. I ended up going into mysql and doing
delete from disk_aggregate where device = '/dev/sda1';
I them removed all the .gifs and the .rrds and ran /opt/zimbra/libexec/zmgengraphs. This created the two rrds files as I expected. The rrds/gifs do match to :-
Filesystem            Size  Used Avail Use% Mounted on

/dev/mapper/VolGroup00-LogVol00

37G 6.6G 29G 19% /

/dev/xvda1 99M 33M 61M 36% /boot

tmpfs 1.3G 0 1.3G 0% /dev/shm
and in mysql
mysql> select distinct(device) from disk_aggregate;

+---------------------------------+

| device |

+---------------------------------+

| /dev/mapper/VolGroup00-LogVol00 |

| /dev/xvda1 |

+---------------------------------+

2 rows in set (0.00 sec)
I am sure it is a bug in the js code as it should loop through all gifs until one is not found. Will ask Mike to take a look as I think it should be raised in Bugzilla.

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