On Wed, 2 Nov 2011 11:29:40 -0400 Richard Troth wrote:
> So what you're seeing
> is random pages which got pushed out at various times during the
> stress period. If not needed, they will sit there forever.
Well, maybe not "forever" ... ;-)
This lazy (de-)allocation behaviour of Linux is worth r
Joe:
Which oracle version is running? Our Unix group test SLES 11 with Oracle 11 and
doesn't work.
Regards,
Victor Echavarry
System Programmer
Technology Systems & Operations Division
EVERTEC
-Original Message-
From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On
We are running Netbackup successfully on SLES11.
NetBackup-IBMzSeriesSuSE2.6 6.5.4
Joe
-Original Message-
From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Bern
VK2KAD
Sent: Thursday, October 06, 2011 6:20 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Netbackup and SLES 11
> As Rob said, there's no page migration in Linux.
Yet.
8-)
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You might also consider using a real disk to back the v-disk for the peak
period swap, so that it doesn't add additional memory pressure to the
underlying z/VM system.
On 11/2/11 10:29 AM, "Richard Troth" wrote:
> You might consider a manual 'swapoff' (then 'swapon') of one large
> swap volume
You might consider a manual 'swapoff' (then 'swapon') of one large
swap volume after that crunch time. In any case, this is one where
you should reconsider how much VDISK to use. Obviously, there's a lot
happening when it gets that end-of-month workload, so remember to
include CPU and other I/O w
On Wed, Nov 2, 2011 at 2:25 PM, Richard Higson wrote:
> haven't done Linux on Z for a while, but I have always used the same
> "Priority" for the swapdisks
> so that linux could spread out the IO to several disks (preferably on
> separate spindles).
> This works well on x86 (real & VMware) and
Yes, having 4 is a little odd. We are struggling with this server. It sits
almost idle most of the month then for 1 or 2 days it gets 60 to 80 thousand
hits/hour.
Not sure what to make of this current display of the swap space.
Bobby Bauer
Center for Information Technology
National Institutes o
That's what you want when you're using "spindles", but on z, you're usually
talking about v-disks, which are really virtual disks in memory. When
they're not in use, they take up no space at all, but when you start using
them, they start to occupy real memory and become a burden. So you set
priorit
On Wed, Nov 02, 2011 at 07:37:17AM -0400, Bauer, Bobby (NIH/CIT) [E] wrote:
> Date: Wed, 2 Nov 2011 07:37:17 -0400
> From: "Bauer, Bobby (NIH/CIT) [E]"
> To: LINUX-390@VM.MARIST.EDU
> Subject: Odd swap space behavior
>
> One of our Redhat servers got a LOT of activity yesterday and the swa
On Wed, Nov 2, 2011 at 12:37 PM, Bauer, Bobby (NIH/CIT) [E]
wrote:
> One of our Redhat servers got a LOT of activity yesterday and the swap space
> looks funny to me.
>
> swapon -s
> Filename Type Size Used
> Priority
> /dev/dasda2
One of our Redhat servers got a LOT of activity yesterday and the swap space
looks funny to me.
swapon -s
FilenameTypeSizeUsedPriority
/dev/dasda2 partition 1023976 3692-1
/dev/dasdb1
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