1
vote
2answers
71 views

Dell Equallogic PS5000E Multipathing Extension Module for VMware vSphere required even if storage is not presented to ESXi?

Single Dell Equallogic PS5000E array, fw 7.0.5, dual controller, NIC0 and NIC1 on each controller are on the iSCSI VLAN, NIC2 on each controller is on the management VLAN. VMware vSphere 5.5, ...
-1
votes
1answer
45 views

VMWare - Jumbo Frames over iSCSI to a NAS4Free array

I am having problems getting Jumbo Frames working over my iSCSI connection. Here is what I try. 4 1GbE connections on 4 different subnets on my NAS4Free array for iSCSI, MTU set at 9000 2 redunant ...
1
vote
2answers
84 views

Ideal iSCSI setup [closed]

We are experiencing slowness and I am fairly new to using SANs so I would like some help with this. First off, I don't think this will fully solve our issue, but I would like to focus on our iSCSI ...
13
votes
1answer
292 views

How to crack the 1 Gbit iSCSI limit between ESXi and VNXe

I'm having big troubles with my iSCSI network and can't seem to get it working as fast as it could. So I've tried pretty much everything to gain full performance from my SAN, having involved ...
3
votes
2answers
212 views

ESXi boot time with 9 iSCSI targets

Our ESXi hosts have always been slow booting when it came to iscsi_vmk loaded successfully - sitting here for almost 5 minutes. In all a full server reboot takes almost 12 minutes. We have 9 iSCSI ...
-2
votes
1answer
256 views

remount a iSCSI datastore in ESXI host after network faillure

I run ESXI 5.1 and all my virtual machines are in a NAS mapped by iSCI datastore. My router broke and obviously all the vm's where cut from their disks. What I understand is that when such event ...
0
votes
0answers
190 views

Vmware ESXi 5.5 can't connect to iSCSI target with blockio enabled

I'm currently trying to add a new iSCSI target that is set to run blockio instead of fileio. The iSCSI target i located on a Ubuntu server 13.10 and i already connected one my ESXi host to on target ...
3
votes
1answer
166 views

RHEL 6 iSCSI LUNs

I have a RHEL system set up as an iSCSI target with 2 luns shared out via one target via the following configuration in /etc/tgt/targets.conf (which I built following the commented out examples in ...
1
vote
0answers
56 views

Adding external datastore to esxi, expanding datastore

I have an esxi 5.1 on a 1U server, accessed using vSphere. There are two 160G HDD's inside on RAID1. I'm looking to expand the number of VM's and the required storage is going to exceed this paltry ...
1
vote
0answers
118 views

Vmware Nas slow transfer rates/IOPS

I have built a test environment with a Synology RS812+ and an old HP140 server which has a gigabit nic installed. I have dedicated one nic to the network to DHCP and the direct to NAS from the server ...
4
votes
1answer
214 views

ESXi 5x: Changing number of IOPS per path sees dramatic improvements

I'm a bit embarrassed that I've never seen or used the -iops parameter as part of the esxcli deviceconfig options. I stumbled upon an article and proceeded to benchmark before and after using various ...
1
vote
2answers
355 views

Can I run vMotion traffic over iSCSI network ESXi 5.5

Is there anything wrong with using one vmkernel in a multipathed iSCSI setup for vMotion traffic as well as iSCSI? I have iSCSI storage setup using 2 vmkernels for MPIO. I'd like to use one of those ...
1
vote
1answer
314 views

iSCSI Datastores not found after Power Failure

I have an ESXi 5 host running 3 virtual servers. 1 of these servers uses a datastore via Software iSCSI on a separate piece of hardware. When the two hardware servers (storage and host) experience ...
1
vote
1answer
69 views

Esx Storage / Management Network Architecture

Hi I'm trying to find the most reliable and performant solution for a vmWare storage / management network. Little overwhelmed with the options and limitations hoping for some insight based on my ...
0
votes
0answers
43 views

SANHQ iSCSI network access

Trying to setup and configure SANHQ on a virtual server. Network I have patched 1 vmnic from each ESXi host into the iSCSI switch and configured the switch ports to access the same vlan as the san. ...
0
votes
0answers
436 views

iSCSI strange write performance from ESXi to QNAP TS559 and TS869

I have a strange performance issue with VMWare ESXi 5.0 and QNAP NAS (I tried with both a TS559 and a TS869 with the same result). The issue is this: I enabled iSCSI on the QNAP and created a ...
-1
votes
1answer
485 views

Dell Compellent SAN with ESXi 5.1 iSCSI

I have a Compellent SAN that I am trying to point to my ESXi server through iSCSI. In the Compellent UI: i've created a volume. It, of course, says the volume is offline until you map it to a server. ...
5
votes
2answers
255 views

Networking with VMware, physical adapters and iSCSI

New VMware user here, setting up my first environment. I have an ESXi host that has four physical NiCs (NiC0, NiC1, NiC2, NiC3). I have installed ESXi, the VCVA appliance, and several VMs ...
0
votes
1answer
29 views

md3222i only single data stream?

We've setup an md3220i SAN to be used against vmware 5.1. When inside a VM on this SAN we tried copying a file multiple times creating multiple/sessions streams. When doing this, it's only the latest ...
2
votes
4answers
692 views

iSCSI SAN for vCenter Cluster

I'm looking to setup a SAN for a VMWare vCenter cluster of ESX hosts. I'd like it to be the primary storage device for VMs. There will be up to 10 hosts in the cluster eventually. I'm creating a ...
0
votes
1answer
367 views

Dell r900 and SFP+ HBA

I'm trying to pair up the parts and pieces to get an already purchased Dell Equallogic PS6010E going, with a couple existing Dell r900 servers for ESXi 5.0,and keep running into show-stoppers. The ...
0
votes
1answer
84 views

Installing ESXi/ Hyper-V using NIC supporting iBFT

We can install ESXi to a iSCSI target if we have NIC that supports iBFT. But what I am trying to see is if we can install ESXi by booting off an iSCSI target which is a mounted ISO? How about Hyper-V ...
1
vote
2answers
343 views

Adding raw storage - iSCSI or VMDK?

We have about 10TB of files that we use on our fileserver. I'll be setting up a new server with more space and better backups. We have a SAS box with 24 drives connected to OpenIndiana server ...
1
vote
2answers
360 views

Can I attach iSCSI to VMware ESXi without licensing?

I have multiple ESXi hosts, managed individually because I have yet to buy licensing. Can I tie my iSCSI SAN to these hosts and utilize it for VM storage and run VM's on that iSCSI device?
6
votes
2answers
604 views

links between switches for iSCSI

We inherited a SAN/vmWare/iSCSI setup with both Dell and HP equipment purchased for it, but not fully setup, and we need to get some additional switches to make it all work. But we're getting ...
1
vote
2answers
204 views

Adding storage to ESXi host

We have two hosts running VMWare ESXi 4.1. Both are connected to a RAID 5 array via iSCSI. We added three more disks to the RAID array. Now I need to assign the new storage somehow to the ESXi hosts. ...
1
vote
1answer
191 views

How to connect a VM running on an ESXi host to that host via a VMKernel NIC?

Say I have an ESXi (5.0) host that runs a Linux distribution which hosts iSCSI targets, which contain the images for other VMs which the host will run. When it's used, I'll start the host first, then ...
3
votes
1answer
2k views

Openfiler iSCSI performance

Hoping someone can point me in the right direction with some iSCSI performance issues I'm having. I'm running Openfiler 2.99 on an older ProLiant DL360 G5. Dual Xeon processor, 6GB ECC RAM, Intel ...
4
votes
3answers
2k views

Jumbo Frames, ISCSI and ESXi

I have enabled Jumbo Frames (9000) in ESXi for all my vmNICs, vmKernels, vSwitches, iSCSI Bindings etc - basically anywhere in ESXi where it has an MTU settings I have put 9000 in it. The ports on the ...
1
vote
3answers
1k views

Understanding the concept: Bare-metal VMware ESXi 5.0 with FreeNAS guest VM and iSCSI

I have a test setup (HP Microserver) with just a single disk at the moment and have ESXi 5.0 bare-metal installed on a USB flash drive and a FreeNAS 8 VM created as a 2GB install, but now I'm at a ...
-8
votes
4answers
3k views

Single/Mulitple LUN for massive VM hosting

I'm building a iscsi storage system for hosting about ~500 Vmware vm running concurrently. And I have a disk array with 15 disks, I only need moderate write performance but at least raid1. so, that ...
4
votes
4answers
19k views

Disk IO slow on ESXi, even slower on a VM (freeNAS + iSCSI)

I have a server with ESXi 5 and iSCSI attached network storage. The storage server has 4x1Tb SATA II disks in Raid-Z on freenas 8.0.4. Those two machines are connected to each other with Gigabit ...
2
votes
2answers
384 views

VMware - how best to remove an extent from an iscsi volume

In our dev/test environment, I have a vSphere 5 ESXi server running. I have one particular vm on it that went into a panic state because one of it's virtual disks was hosted on a volume that ran out ...
1
vote
1answer
2k views

vSphere 5/Dell MD3000i multipathing configuration clarification

Revisiting an older vSphere setup with two Dell 1950s, 4 NICs per host: esxi1 and esxi2 for simplicity sake. SAN is a Dell MD3000i, two controllers, two NICs per controller: rc00 and rc01; rc10 ...
1
vote
0answers
1k views

Equallogic ESXI 4.1 Slow read performance

We experience a slow read performance with a high read latency in vSphere/ESXi on our Equallogic iSCSI array (14x 750gb in RAID10). We checked already very much but cannot find anything. Setup: ...
1
vote
1answer
484 views

ESXi 5 - Custom build iscsi or openfiler?

This is for a development environment, NOT a production environment. We have 2 ESXi 5 hosts that is currently using their own local disks for storage. We have a very large Supermicro server that has ...
5
votes
1answer
1k views

Esxi with iSCSI SAN slows down with many multiple VMs running

I have a server with ESXi 5 and iSCSI attached network storage(4x1Tb Raid-Z on freenas). Those two machines are connected to each other with Gigabit ethernet, and a procurve switch in between. After ...
2
votes
3answers
13k views

How to remove inaccessible iSCSI LUN from vSphere ESXi 4.1/5 with Storage I/O Control enabled?

I am testing out a iSCSI SAN solution in my vSphere environment and have been adding/removing LUNs on the SAN host while some were left connected on ESXi hosts. I had enabled Storage I/O Control on ...
1
vote
3answers
536 views

SAN Distro with iSCSI and software RAID 5 [closed]

Im looking for an OS, to install on a server, which has 4x 1Tb disks. Id like to couple those disks as an RAID-5 array, and share it over iSCSI to VMWare ESXi 5. Im not sure if this exists... I have ...
1
vote
2answers
2k views

ESXi 5.0 iSCSI Timeout increase to upgrade Equallogic Firmware

As I understand it one can upgrade the firmware on a Dell Equallogic server in about 15 seconds and it can be done whilst an ESXi host is connected and VMs are running but that the iSCSI timeout value ...
3
votes
2answers
1k views

Can ESXi (4.1) mount a VMFS datastore alongside a read-only snapshot of it?

I have a ESXi (4.1) server talking with a Windows Server 2008 R2 storage server, which presents some volumes as iSCSI targets using Microsoft's iSCSI software target; ESXi uses them as its datastores. ...
0
votes
1answer
229 views

ESXi 4.1 iSCSI won't create partition the full size of the Openfiler Volume

I created an iSCSI volume in Openfiler. Volume name Volume description Volume size File system type File system size FS used space FS free space Delete Properties Snapshots ...
0
votes
1answer
181 views

ESX Server not seeing ISCSI Device for connection to HP Lefthand SAN Array

I have an ESX server array that I had connected to four HP SAN boxes. Unfortunately, HP only sent me three certificates (and I lost track) so it was running with only 3 of the 4 boxes cert'ed. I have ...
3
votes
3answers
1k views

To LAG or not LAG?

I have a new ex4200 switch stack, my 3 esxi hyper-visors connect to the SAN via vlan 200 which is EST. I have loaded the Equallogic multipathing plugins. When I have the 4 cables per server dedicated ...
1
vote
1answer
3k views

ESXi 4.1: how to make use of an iSCSI LUN bigger than 2 TB?

I have a ESXi servers (4.1 U1) connected to an iSCSI NAS, where 4 LUNS have been defined and presented to this host; all the LUNs are 3 TB in size. ESXi correctly sees the LUNs and acknowledges their ...
3
votes
4answers
949 views

Using a server as an iSCSI SAN for VMWare?

I've currently got 3 ESXi servers (free version), using direct attached storage. I want to move to shared storage, because direct storage is very limiting. There are about a dozen VMs, most are fairly ...
3
votes
5answers
12k views

NFS protocol vs iSCSI protocol

I was reading some articles on VMware ESXi about storage. One thing mentioned was the advantages of being able to use vMotion, DRS and etc. to achieve High Availability. The one thing that I kept ...
2
votes
2answers
695 views

ESX or ESXi as FCoE or ISCSI or NFS target?

Is is possible to set up ESXi or more expensive ESX server as a storage target (FCoE, ISCSI or NFS, in that order) for other ESX servers? If so, how?
0
votes
1answer
289 views

Convert EMC AX150 to iSCSI?

I've to an EMC AX150 SAN, with two FC controllers in it. And no existing FC infrastructure. Since the controller cards seem to be modular (you can get 1 or 2 of them), is it possible to obtain iSCSI ...
0
votes
1answer
137 views

2 web servers' application accessing the same data

I've been tasked to find for a solution that will allow me to use 1 storage location for 2 different web servers' applicaiton data. My problem is that these 2 web servers will both be accessing the ...