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RLMILLIES Absent Member.
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Setting up OES 11 SP2 Server for GroupWise 2014

I am setting up a new SLES 11 SP3 / OES 11 SP2 server to run my GroupWise 2014 system. I am running this system on VM 5 and will be adding a disk in to house the NSS drive to which the GroupWise will be installed on. What type of disk provisioning should I create the new drive as?

This will be a GroupWise only server.

Sincerely,
Ken

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Re: Setting up OES 11 SP2 Server for GroupWise 2014

Am 02.11.2014 09:06, schrieb RLMILLIES:
>
> I am setting up a new SLES 11 SP3 / OES 11 SP2 server to run my
> GroupWise 2014 system. I am running this system on VM 5 and will be
> adding a disk in to house the NSS drive to which the GroupWise will be
> installed on. What type of disk provisioning should I create the new
> drive as?


Thick. Which one doesn't matter.

CU,
--
Massimo Rosen
Novell Knowledge Partner
No emails please!
http://www.cfc-it.de
CU,
--
Massimo Rosen
Micro Focus Knowledge Partner
No emails please!
http://www.cfc-it.de
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RLMILLIES Absent Member.
Absent Member.

Re: Setting up OES 11 SP2 Server for GroupWise 2014

Thanks for the information.

Sincerely,
Ken
mrosen;2338369 wrote:
Am 02.11.2014 09:06, schrieb RLMILLIES:
>
> I am setting up a new SLES 11 SP3 / OES 11 SP2 server to run my
> GroupWise 2014 system. I am running this system on VM 5 and will be
> adding a disk in to house the NSS drive to which the GroupWise will be
> installed on. What type of disk provisioning should I create the new
> drive as?


Thick. Which one doesn't matter.

CU,
--
Massimo Rosen
Novell Knowledge Partner
No emails please!
http://www.cfc-it.de

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Knowledge Partner
Knowledge Partner

Re: Setting up OES 11 SP2 Server for GroupWise 2014

RLMILLIES;2338297 wrote:
I am setting up a new SLES 11 SP3 / OES 11 SP2 server to run my GroupWise 2014 system. I am running this system on VM 5 and will be adding a disk in to house the NSS drive to which the GroupWise will be installed on. What type of disk provisioning should I create the new drive as?

This will be a GroupWise only server.


Hey Ken,

Some additions just in case; don't forget to add in optimizations in:

disable NSS atime (/noatime=VOLUMENAME in nsscon)
disable salvage on the NSS volume hosting your GroupWise databases
set the Linux disk scheduling to noop (add ' evelator=noop ' the /boot/grub/menu.lst - see: https://www.novell.com/support/kb/doc.php?id=7009616 ).

Cheers,
Willem
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RLMILLIES Absent Member.
Absent Member.

Re: Setting up OES 11 SP2 Server for GroupWise 2014

Thanks for all of the input. Does the elevator=noop apply to SLES 11 SP3 / OES 11 SP2 as well?

Sincerely,
Ken

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Knowledge Partner
Knowledge Partner

Re: Setting up OES 11 SP2 Server for GroupWise 2014

In article <RLMILLIES.6nbo1b@no-mx.forums.novell.com>, Rlmillies wrote:
> Does the elevator=noop apply to SLES 11
> SP3 / OES 11 SP2 as well?


It applies to just about any Linux when running against virtual drives
on smart arrays of some sort. If you are running directly to
individual disks then cfq tends to be better than noop.

Sorry we didn't catch this sooner.


Andy of
http://KonecnyConsulting.ca in Toronto
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Re: Setting up OES 11 SP2 Server for GroupWise 2014

RLMILLIES;2338939 wrote:
Thanks for all of the input. Does the elevator=noop apply to SLES 11 SP3 / OES 11 SP2 as well?


Hi Ken,

Indeed, as Andy already mentioned, it absolutely applies when running GroupWise on a virtual server. Sorry for missing your question, I had not seen this post was updated. As reference I'll also add:

To see how much difference the setting makes (or not) in your environment you can run a tool like bonnie on a disk that has the standard cfq and then having noop applied to it.
You can assign the scheduler setting on the fly by echo'ing the desired setting into the device scheduler setting, for example:

echo noop > /sys/block/sdX/queue/scheduler #(X being the assigned disk letter in question).

This should also be set for any related disk mapper device (/sys/block/dm-X/queue/scheduler).

To list the current setting, simple cat it:

cat /sys/block/sdX/queue/scheduler #the effective setting will be between [ ]

That way you can test without having to reboot each time.

Next to the noop setting, I've also had good results using the deadline scheduler.

As this is VMware we are talking about, using disks in paravirtual mode also brings added throughput. Also put each disk on it's own iSCSI controller so each disk gets it's own queue.

Cheers,
Willem
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gathagan Honored Contributor.
Honored Contributor.

Re: Setting up OES 11 SP2 Server for GroupWise 2014

Although it involves limitations that might not be acceptable to some, there's also the option of using an HBA or NIC in pass-through mode.
This completely eliminates the overhead of vmware on any LUN attached to the HBA/NIC, but the cost is a lack of mobility.

Obviously, if a LUN is accessed via a controller in pass-through mode, you can't migrate the VM on the fly.

Setting a controller in pass-through mode also requires re-booting the host server.
Pass-through mode depends on the server chipset, so it requires relatively new servers (2008 or so).
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