Re: ​Sudden disk space takeover, IPL fixed it...

Collection Services in on by default (do not turn it off) so you should have data available to identify the jobs / user profile that consumed the disk space.
I highly recommend changing the default collection interval from 15 minutes to 5 minutes.


This blog post can get you started using the Performance Data Investigator to understand disk space utilization.

https://techchannel.com/SMB/07/2021/disk-space-utilization
(This post was written before New Nav came out; the same charts are available but the the navigation to them is a bit different).


It doesn’t go into the various drill downs, but using the drill-downs, you can identify the jobs, user profile, etc., that consumed the disk space.

Since an IPL fixed it, it was likely a temporary storage issue, which can be caused by a memory/heap leak of some sort.
Collection Services can only help you identify the jobs/users that consumed the disk space.
That may be sufficient to resolve the problem, or you may need to collect additional data for root cause diagnostics.



Dawn

________________________________
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> on behalf of Brad Stone <bvstone@xxxxxxxxx>
Sent: Sunday, July 17, 2022 4:20 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: ​Sudden disk space takeover, IPL fixed it...

Thanks.. I don't suppose there is any way to go back and find out what was
causing the problem.

PS, I also removed old PTFs and am down to 37% full now. I guess I was
slacking there.

On Sun, Jul 17, 2022 at 11:30 AM Terry Bartlett <
terry.bartlett@xxxxxxxxxxxxxxx> wrote:

Brad,

This happened to me twice.
The first time it was an application error, where a journal was being
copied to QTEMP, but it was looping.
The second was when an ambitious accountant attempted an SQL cartesian join
on 2 very large files, again results were being gathered in QTEMO. I fixed
that by setting QQAQINI - STORAGE_LIMIT.

Regards
Terry Bartlett

---------- Forwarded message ----------
From: Brad Stone <bvstone@xxxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx

Cc:
Bcc:
Date: Sat, 16 Jul 2022 21:42:12 -0500
Subject: Sudden disk space takeover, IPL fixed it...
So, I had an interesting day. On V7R4 on my system. Normally sits

around

50% full for disk.

Got a few alerts saying storage was running out. Did a WRKSYSSTS and it
was at 97%. I couldn't find any jobs running, eating up CPU, etc... so I
just did an IPL.

Everything is back to normal now. At 50% disk again.

Disk space:
System storage . . . . . . . . . . . . . . . . . . . . . : 418759M
System storage used . . . . . . . . . . . . . . . . . . : 48.34%

What the heck could that have been? A runaway temp job of some sort that
was cleaned up when I IPL'd?

Bradley V. Stone
www.bvstools.com<http://www.bvstools.com>
Native IBM i e-Mail solutions for Microsoft Office 365, Gmail, or any

Cloud

Provider!

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