iSCSI - SCSI over IP - mount disks across the network

learn more… | top users | synonyms

1
vote
0answers
11 views

Running iSCSI LIO with high availability

I've build a two node storage setup with OCFS on top of DRBD to provide storage for a couple of ESXi servers. Will it be possible to setup iSCSI targets on both storage nodes and make one of the nodes ...
0
votes
0answers
55 views

iSCSI connection drops frequently - Synology NAS

I have a Windows 2012 R2 Server connected through iSCSI to my Synology Rackstation 2414+. The problem is that the connection drops very very frequently, up to 10 times a day (manually restored ...
0
votes
1answer
21 views

Ubuntu, iSCSI LIO listen on any IPv4

I've installed targetcli from repo on my Ubuntu 14.04 server. I'm trying to figure out how to make the service listen on any (0.0.0.0) address. Trying to setup 0.0.0.0 specific gives me an error: IP ...
3
votes
1answer
57 views

Backup Hyper-V VMs using wbadmin and iSCSI on Windows Server 2012

I am trying to setup a backup system at my work. We have an Windows 2012 environment with some VMs. We have a SAN and I tried do backups on a shared folder but, because of some incompatibilities with ...
0
votes
1answer
43 views

Proxmox virtual machines and iSCSI NAS

I ordered a dedicated server from a certain service provider and they rent out iSCSI NAS as well. So I ordered 1TB iSCSI and connected it to proxmox via GUI. Then I read that the provider does not ...
3
votes
1answer
165 views

Shared access to iSCSI target

Does anyone know how shared access (multiple Initiators) to a single iSCSI target is supposed to work. I have got it semi-working with Linux (CentOS-7) target and Win 2012 server / Win Hyper-V 2012 ...
1
vote
1answer
38 views

iscsi with multiple lun, how linux to connect only selected lun

My 10.1.1.100 have 10 Targets. I'm initially connected to single Target by running iscsiadm --mode node --targetname iqn.2005-06.com.drobo:b800i.1112.id5 --portal 10.1.1.100:3260 --login It only ...
1
vote
1answer
66 views

Persistent Disk Name in RedHAt Cluster on VMWare Workstation-10.01

I am trying to implement a 2 Node REDHAT HA cluster. The following is my environment. VMWare WorkStation 10.01 Node-1 >> CentOS-6.3 x86_64 Node-2 >> CentOS-6.3 x86_64 Node-3 >> CentOS-6.3 x86_64 [ ...
0
votes
1answer
29 views

Xen cannot see all the LUNs in ISCSI HP StorageWorks MSA2312i Dual Controller Modular Smart Array

I have a HP StorageWorks MSA2312i Dual Controller Modular Smart Array and a second enclosure. I have four vdisks: vd01 (RAID5) (Current Owner A) vd02 (RAID5) (Current Owner B) vd03 (RAID10) ...
8
votes
3answers
867 views

Why should iscsi traffic be isolated?

Why should iscsi SAN traffic be isolated? I'm trying to explain to my network guy why we should isolate the traffic.
0
votes
0answers
56 views

Windows Server Backup to iSCSI target 10x slower than copying a file using Windows Explorer to the same location

I'm running a colocation server with Windows Server 2008 R2. As a backup target, I'm using a Linux server run by the datacenter provider. The storage is addressed via iSCSI so that I can use Bitlocker ...
0
votes
1answer
86 views

Deploying iSCSI Diskless Clients via WDS

I am trying to install Windows 7 to iSCSI targets that will be booted by diskless clients via iPXE. To do this, I need to setup .wim boot and install images in WDS. Is there a way to create standard ...
3
votes
1answer
35 views

Properly ordering shutdown of MySQL and iSCSI on Ubuntu Lucid

I'm running MySQL on an Ubuntu 10.04 server, with the MySQL $datadir located on an iSCSI volume. The filesystem is tagged with "_netdev" in /etc/fstab. On system shutdown, upstart sends MySQL a ...
3
votes
1answer
130 views

Is there any downtime when expanding a volume on an iSCSI setup using Synology Hybrid RAID?

The subject sums up the scenario. I believe the answer is there is no downtime but the system might simply be slower during the rebuild. Which is fine. But if there is downtime, how long? A small blip ...
2
votes
1answer
118 views

Cluster-Shared Volume on Windows Server 2012 R2 drops off with minor iSCSI pauses

We are running into an issue here where the Cluster-Shared Volume attached to our Hyper-V 2012 R2 cluster is being dropped off / faulted with the slightest interruption from the iSCSI SAN connection ...
1
vote
0answers
19 views

iSNS Best Practices

I am looking into deploying an iSNS server to simplify deployment of a new iSCSI infrastructure for a client of mine. I feel that I understand what iSNS does and how to configure it, but I'd like some ...
0
votes
0answers
17 views

XenServer move VM Failed

We currently are running our XenServer virtual machines off of an over extended Drobo unit and wanted to migrate a particular 600+GB VM off of the Drobo onto a newer Drobo, so I attached a storage ...
0
votes
1answer
47 views

iSCSI paths are alternately active and dead after connecting second ESX server

Multiple Virtual Machines (VMs) reside on an ESX server (ESX1) and are stored on iSCSI. Connecting a second (ESX2) to iSCSI seems to work fine as a VM is created and stored on iSCSI. However inactive ...
0
votes
2answers
110 views

iSCSI SAN RAID 10 Performance — Poor Read, Good Write

I have a EqualLogic PS4000 SAN unit with the latest firmware, setup in RAID 10. I have 3 2TB Volumes on the SAN shared out via iSCSI on 2 eth ports on two different subnets. I have moved a test server ...
4
votes
1answer
70 views

sg_map & lsscsi showing old storage version

I am using SUN storage and recently upgraded/refreshed my ISCSI LUN storage. We have replicated old storage to new storage and attached to our servers. I can see at SUN storage side that storage is ...
0
votes
0answers
54 views

iSCSI remote boot from intel NIC working in vmware ESX, not other distro´s

The objective is to have a completely diskless Centos connected to storage via. iSCSI over a 10Gb intel X540 NIC. The ROM on the NIC is flashed as initiator and tailing the logs on the target, i can ...
1
vote
2answers
86 views

What is the maximum number of iSCSI connections that Server 2012 R2 can initiate?

I found online that Server 2008 R2 host can only initiate a maximum of 255 iSCSI connections, and that it was a hard limit within the OS itself. Does this same restriction apply to Server 2012 R2? ...
1
vote
2answers
49 views

Setting up a multi-host SAN

I'm looking for some advice on setting-up multi-host I/O access on our SAN: I have a blade enclosure (PowerEdge1000e) containing an Equallogic PS-M4110 storage blade with a single RAID6 volume ...
2
votes
1answer
110 views

iSCSI: HP MSA 2012i, initiator only discovers one target

I am trying to configure my HP MSA 2012i such that every disk is a vdisk and every vdisk is a volume. Each volume shall be accessible using iSCSI. So each volume shall be a iSCSI target. This is not a ...
1
vote
2answers
145 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
165 views

Windows 8.1 / iSCSI / Hyper-V Depedencies

My workstation has Windows 8.1 and uses iSCSI for SAN storage, which is where the Hyper-V configuration and VHD files sit. When the workstation is booting up, the VM is not able to auto start because ...
-1
votes
1answer
82 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 ...
0
votes
0answers
37 views

Creating file server failover cluster

I'm in the process of setting up a new file server cluster with a shared iSCSI disk. I've been through the setup of iSCSI and MPIO and the disk has been initialized, formatted and brought online. ...
1
vote
2answers
79 views

What could be wrong with my XenServer iscsi configuration after a recent power outage

We just experienced a power outage due to a lightning storm. Outage was long enough to restart servers and switches. We have 2 XenServer hypervisors running in the same pool. At first, both of them ...
4
votes
1answer
220 views

Installing to an iSCSI target and booting it without PXE

I'm running Windows Server 2012 R2, Standard Edition and have set up an iSCSI target, which I'm wanting a client to be able to: Connect to in such a way that I can install Windows 7. Allow client to ...
1
vote
2answers
98 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
544 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 ...
0
votes
0answers
64 views

Error in XenServer iSCSI SR Creation (SR is not available)

I have a XenServer 6.2 with a Debian 7.5 VM which i use as iSCSI target. I have my target reachable by portal but i would make a Storage Repository available in my XenServer pool. Unfortunately, ...
2
votes
0answers
188 views

Booting a diskless Debian system using bonding, bridging, and iSCSI

I'm trying to build my personal holy grail: booting my Debian Wheezy KVM server diskless from a iSCSI target and the only configuration needed on the diskless server is the iSCSI parameters in the NIC ...
3
votes
2answers
540 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
571 views

How to configure multiple iSCSI Portal Groups on a EqualLogic PS6100?

I am working on a migration from a VMware vSphere environment to a Hyper-V Cluster utilizing Windows Server 2012 R2. The setup is pretty small, an EqualLogic PS6100e and two Dell PowerConnect 5424 ...
0
votes
2answers
196 views

Windows 8 on iSCSI with LIO target: thin provisioning

I have installed Windows 8.1 on an iSCSI target. This target is provided by Linux LIO and is backed by a sparse file. One of the reasons I created such an installation was thin provisioning. In other ...
3
votes
1answer
118 views

Are FC and SAS DAS devices standard enough?

Before I ask my questions, here is some background info that may or may not be useful: For the first time I find myself needing a DAS solution. My priority is data through-put in a single direction. ...
1
vote
1answer
185 views

Install xenserver on iscsi target

Is is know that Xen Server is based on CentOS, and it is fact that CentOS can be installed on an ISCSI target flawlessly, but I wanted to install Xen server on an ISCSI target I couldn't find a way. ...
3
votes
1answer
60 views

Arch: sharing a raw SCSI device via iSCSI?

I am working with some older SCSI devices on my Arch Linux installation. The information on the disks is actually needed on other systems. While I certainly could mount the disk on Linux and share it ...
1
vote
0answers
155 views

Diskless XenServer 6.2

I'm a bit suspicious since I cannot find relevant recent information on this. I am wanting to boot a diskless XenServer version 6.2 (the server... not the installer). I have an Intel Pro 1000 ET ...
-2
votes
1answer
757 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
90 views

NTFS corrupts by using Windows 2008 R2 share with Debian iSCSI Target

I'm currently using a Debian Wheezy server with a iSCSI block target "lun0". This target is mounted on my Windows 2008 R2 machine and formated using NTFS. The device is mounted as "D:\DATA" and shared ...
0
votes
1answer
16 views

ISCSI device and partitions used in ISCSI client

The command list all devices including ISCSI. cat /proc/partitions Is it possible to know which device is currently used by a given target? Thanks
0
votes
0answers
293 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
244 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 ...
-6
votes
1answer
239 views

Is nfs good to share disk images over the internet? [closed]

I have an image server, this server contains disk images to be used by virtual machines. The server has to allow the runtime creation of new images, so iscsi is not good as it requires to restart the ...
2
votes
1answer
206 views

iSCSI MPIO disconnections

We have a test cluster setup with MPIO and all seems to be working well. The setup is using Windows Server 2012 r2 with a qnap as the backend storage. Routes are as follows; 172.16.10.10 (qnap port ...
0
votes
1answer
65 views

Windows 2012 server wrong iscsi disk size

I have Windows Server 2012 and iSCSI storage. On the storage, I created a RAID1 array out of two 2TB disks and connected it over iSCSI to the server. But the server sees the connected device as ...
1
vote
0answers
160 views

Linux/Open iSCSI: How to make iSNS discovery working?

I've read dozens tutorials and howtos but none of them helps me with the following problem. I have three machines: NAS server with iSCSI target on it which is registered in iSNS server. Solaris ...