Excelero Nvmesh - Revision history

Matt hole: /* Centos installation with GPFS on top */

2018-04-13T15:11:11Z

Centos installation with GPFS on top

2018-04-13T15:10:43Z

Centos installation with GPFS on top

2018-04-13T14:59:19Z

Centos installation with GPFS on top

2018-04-13T14:36:12Z

2018-04-13T14:14:35Z

Centos installation with GPFS on top

2018-04-13T14:07:19Z

Centos installation with GPFS on top

2018-04-13T14:02:39Z

Centos installation with GPFS on top

2018-04-11T16:32:50Z

Hardware

2018-04-11T16:30:42Z

2018-04-11T16:28:58Z

Prerequisites

@@ Line 286: / Line 286: @@
 Create a nsd.stanza file with your nvmesh device within. Here is a example below.
+<pre style="color: silver; background: black;">
 %nsd:
          nsd=nsd01
@@ Line 293: / Line 293: @@
          pool=system
          failureGroup=1
+</pre>
 In our demo we had the data and metadata in one. IE our NVMesh volume was just one labelled "test".

← Older revision		Revision as of 15:10, 13 April 2018
Line 284:		Line 284:

	You should then rerun mmdevdiscover to see your nvmesh volume listed. If you still get nothing i would check that nvmesh is working and that you have volumes working/assigned to your node.		You should then rerun mmdevdiscover to see your nvmesh volume listed. If you still get nothing i would check that nvmesh is working and that you have volumes working/assigned to your node.
		+
		+	Create a nsd.stanza file with your nvmesh device within. Here is a example below.
		+
		+	%nsd:
		+	nsd=nsd01
		+	device=/dev/nvmesh/test
		+	usage=dataAndMetadata
		+	pool=system
		+	failureGroup=1
		+
		+	In our demo we had the data and metadata in one. IE our NVMesh volume was just one labelled "test".

@@ Line 266: / Line 266: @@
 This section is more around NVmesh and GPFS working together.
-Normally within GPFS
+Once GPFS has been installed, the packages and the portability layer have been build. You will start looking to configure GPFS.
 <pre style="color: silver; background: black;">
 [root@excelero-a ~]# vim  /var/mmfs/etc/nsddevices
@@ Line 279: / Line 282: @@
 exit 1
 </pre>

@@ Line 265: / Line 265: @@
 This section is more around NVmesh and GPFS working together.
 Once GPFS has been installed, the packages
+<pre style="color: silver; background: black;">
 [root@excelero-a ~]# vim  /var/mmfs/etc/nsddevices
 #!/bin/bash
@@ Line 276: / Line 278: @@
 exit 1

← Older revision		Revision as of 14:14, 13 April 2018
Line 267:		Line 267:

	Once GPFS has been installed, the packages		Once GPFS has been installed, the packages
		+
		+	[root@excelero-a ~]# vim /var/mmfs/etc/nsddevices
		+	#!/bin/bash
		+
		+	cd /dev && for dev in $(ls nvmesh/); do
		+	echo nvmesh/$dev generic
		+	done
		+
		+	exit 1

@@ Line 262: / Line 262: @@
 For general GPFS install and usage look here:
-*[[IBM Spectrum Scale | GPFS]]
+*[[IBM Spectrum Scale | GPFS | Installation]]
 This section is more around NVmesh and GPFS working together.

← Older revision		Revision as of 14:02, 13 April 2018
Line 259:		Line 259:

	== Centos installation with GPFS on top ==		== Centos installation with GPFS on top ==
		+
		+	For general GPFS install and usage look here:
		+
		+	*[[IBM Spectrum Scale \| GPFS]]
		+
		+	This section is more around NVmesh and GPFS working together.

@@ Line 11: / Line 11: @@
 To work around this, we secure erased each drive then retested.
 nvme cli secure erase command: "nvme format /dev/nvme0n1 --ses=2"  (dev address may change)
 === Software ===

@@ Line 1: / Line 1: @@
 == Prerequisites ==
-Hardware
+=== Hardware ===
 Check that everything is performing as it should be, before installing nvmesh it would be worth testing NVME drive performance at a block level.
@@ Line 12: / Line 12: @@
 nvme cli secure erase command: "nvme format /dev/nvme0n1 --ses=2"  (dev address may change)
 Excelero requires certain OS and kernel versions to be supported. As of 11/04/2018.
 May want to look at using PDSH to allow for remote execution across all nodes at once, safes time. If using GPFS it has a built in tool called mmdsh.
@@ Line 86: / Line 92: @@
 \\10.0.0.222\software\Excelero\NVMesh-client-1.2.1-194.x86_64.rpm
 == Installation of NVmesh onto Centos 7 ==

← Older revision		Revision as of 16:28, 11 April 2018
Line 1:		Line 1:
	== Prerequisites ==		== Prerequisites ==
		+
		+	Hardware
		+
		+	Check that everything is performing as it should be, before installing nvmesh it would be worth testing NVME drive performance at a block level.
		+
		+	Install "fio" and "nvme-cli"
		+
		+	Target each nvme device and check read/write performance at a 1m block level. During our testing the performance was found to be 60% lower than it should be.
		+
		+	To work around this, we secure erased each drive then retested.
		+
		+	nvme cli secure erase command: "nvme format /dev/nvme0n1 --ses=2" (dev address may change)

	Excelero requires certain OS and kernel versions to be supported. As of 11/04/2018.		Excelero requires certain OS and kernel versions to be supported. As of 11/04/2018.