iSCSI - SCSI over IP - mount disks across the network

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2
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0answers
303 views

iscsi disk over 2 TB cant initialized

I have a windows server 2012 x64. I'm free to connect and initialize the disks smaller than 2 TB. I can connect more than 2 TB disk but I can't initialize it? Windows can not determine its size, the ...
4
votes
1answer
186 views

SAN Performance Slow

I have an iSCSI HP P2000 loaded with 12 x 300gb DP SAS drives. This is connected to 2 DL385 servers with 64gb RAM running XenServer. The SAN network is multipathed via 2 gigabit switches (4 x copper ...
2
votes
1answer
209 views

SAN: is it better to have separate LUNs for operating system and data of virtual machines? [closed]

We have an iSCSI SAN that will be used as backing store for virtual machines. We use Xen and will directly present the LUNs as block devices of VMs (so there is no file system with files on it for ...
1
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1answer
64 views

Mount a iscsi target volume natively

I have a LVM logic volumn exported though iscsi and formatted by the client to ext4. Now that machine serving the iscsi target went down and I'm wondering if I can just take the hard disk out to ...
-3
votes
2answers
68 views

high bandwidth usage iscsid, who's doing it?

We run a couple of onapp nodes that connect through iSCSI to a SAN. This is now using up all bandwidth and we want to know where it is coming from, we have been search for days now and would like to ...
2
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0answers
514 views

Trying to boot a diskless server to Windows 2012 using iSCSI and Differencing VHDs

We are in the middle of a big VMware to Hyper-V migration at the moment. Part of this process is going to be changing some of our existing ESXi servers to Hyper-V. These ESXi servers don't have hard ...
0
votes
1answer
2k views

Failure connecting to Dell MD3200i from XenServer 6.2 pool

This question also asked at Citrix Forums http://forums.citrix.com/thread.jspa?threadID=332289 I have a MD3200i that is currently working fine with my Xen5.6 pool, but I cannot get a connection to ...
2
votes
5answers
145 views

Provide iSCSI storage for Virtual Environments through host or directly to guests?

We are planning to place a HP MSA P2000 with two FC/iSCSI controllers in our network. We have two options to provide more storage to Virtual Machines (We are running Hyper-V): A) Add iSCSI targets ...
5
votes
1answer
762 views

BitLocker with Windows DPAPI Encryption Key Management

We have a need to enforce resting encryption on an iSCSI LUN that is accessible from within a Hyper-V virtual machine. We have implementing a working solution using BitLocker, using Windows Server ...
0
votes
1answer
142 views

SAN HQ Write Latency

We have an iSCSI SAN setup with Dell's EqualLogic PS series SANs. SAN HQ reports a 30ms write delay. Is this 30ms for the SAN box itself to write the data to the disks, or does the 30ms also include ...
3
votes
1answer
137 views

Resting Encryption on iSCSI SAN in Hyper-V Environment

I have a need to implement resting encryption of data within our environment. Basically, we have a Hyper-V virtual server named FILER01 that runs Windows Server 2012 that is has a direct iSCSI ...
1
vote
1answer
160 views

Does the FreeNAS target make use of iSCSI offload cards?

When using a FreeNAS as iSCSI target, would it use the iSCSI offload engine on cards that have it, or is it an initiator-only feature? EDIT: just to clarify, I want to know if a supported iSCSI ...
2
votes
1answer
93 views

Storage Network Stops Transmitting Traffic

I have a troublesome issue. I have a 10Gb storage network serving a VMWare vSphere 5.1 environment. Storage: TrueNAS(NFS) with a Chelseio T320 10Gb Nic Storage: Dell PowerVault MD3600i(iSCSI) ...
1
vote
1answer
193 views

iostat to analyze iSCSI mount

Is there a way to analyze the IO wait on a iSCSI mount from the machine on which the iSCSI share is mounted? I understand the local volumes can be analyzed, but, we have one particular directory on ...
5
votes
1answer
391 views

100% packets dropped on first RX queue on 3/5 raid6 iSCSI NAS devices using intel igb (resolved)

Edit : The issue is resolved. The Queues in question have been used for Flow Control Packets. Why the igb driver propagated FC packets up to have them dropped (and counted) is another question. But ...
0
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0answers
248 views

PXE Boot an ISO with iSCSI information

High Level: I'm using pxelinux.0 and memdisk to boot a Windows PE iso. I then connect to an iSCSI lun and apply a Windows WIM. More information: Normally netboot/i is used to automatically assign ...
-1
votes
1answer
284 views

tar operation taking extremely long time

Wonder if anyone can help with this issue, we running RHL 5 on HP Proliant DL580 G7 it has 2xCPU @1.87GHz 6XCORES each & 64GB RAM. lately backing up a directory (62GB) with tar (tar -czvf ...
0
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0answers
443 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 ...
6
votes
1answer
312 views

Why MPIO instead of 802.3ad Team for iSCSI

Doing my first server to iSCSI target and I thought i would be off to a running start by teaming my NIC on the server (conventional 802.3ad team). However, from many online sources I see this is NOT ...
-1
votes
1answer
499 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
263 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
3answers
190 views

cheap software iSCSI with server mirroring [closed]

I am looking for free / cheap solution to create iSCSI for hyper-v cluster. I have the free Hyper-V Server, free management tool for w8 and few of my own PowerShell scripts and everything is working ...
3
votes
1answer
288 views

iSCSI multipath: should I keep all portals configured, even unreachable ones?

Sometimes when you connect to a multipath'ed iSCSI target you will have access to only some of its portals. This is common when the initiator is directly connected to the target's ethernet ports, as ...
0
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1answer
417 views

How to set MaxRecvDataSegmentLength on Solaris 11 iSCSI target (COMSTAR)

Our system is Solaris 11.1 with COMSTAR iSCSI target. We would like to increase MaxRecvDataSegmentLength iSCSI parameter on the target but can't find a way to do it, although certain blog records on ...
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 ...
0
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2answers
333 views

Can't find ISCSI drives after NAS firmware update

This is what it's all about: I've got a Linux network with an actual hardware server running two separate virtual machines and a QNAP NAS T-459 Pro+ as a fileserver. Since updating the QNAP firmware ...
1
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0answers
75 views

share an iscsi target thru samba

i just built an Openindiana/Napp-it box and i dont really want to get into Solaris ldap client setup. Does it sound doable to create a linux vm, set up samba on it, then connect to an iscsi target ...
0
votes
1answer
209 views

iSCSI and NFS file locking and concurrency

I've got a linux host that need to mount a data share located on a NAS. The choice is between NFS v3 (NAS limitation) and iSCSI. The initial idea was to have a NFS mount to the file server that ...
2
votes
4answers
704 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 ...
1
vote
1answer
321 views

Attach storage drive in a VM via iSCSI initiator or VHDX on the Hyper-V host

Our current 200-user infrastructure is based upon XenServer and a StarWind iSCSI SAN. The C: drives for the virtual server's OS are mounted in XenServer SR volumes which are in turn virtual hard disks ...
1
vote
1answer
430 views

iscsi concurrent access / iscsi volume shared access on NAS

I having a 7-bay NAS box with Raid-5 (5.3TB usable) with netgear gigabit Ethernet switch to connect the hosts (3 windows7 machine Specs: i7 / 16GB RAM / 1TB HDD / gigabit Ethernet NIC). (All of the ...
2
votes
2answers
162 views

Would storing logical volumes on a ZFS storage benefit from caching?

What I'm planning to do is having a ZFS storage connected to my network. Attaching it with either iSCSI or SRP to the hypervisor server. And storing KVM images (logical volumes) on it. Would this ...
-2
votes
2answers
143 views

When is iSCSI Required or Most Useful? [closed]

Background: I have two SANs (Dell Equallogic PS6100E, though not necessarily an eql. question). I have a NAS that connects to them (FS7600). That NAS is on the regular network lan, but has it's ...
0
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0answers
242 views

DFS CIFS shares not responding to demand

I'm hoping someone can help me here with understanding how a windows file copy differs between a copy using terracopy (or similar) and what that means for contention on my NAS head. Background: ...
0
votes
1answer
371 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
369 views

Mirroring iSCSI target to slower drive, asynchronous RAID or block-level replication?

I'm planning on setting up a test iSCSI export on my NAS which will be used by a KVM virtualisation host to store all guest volumes and data. My NAS box is a self-build running CentOS. The device ...
0
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0answers
46 views

Registry change on a key a server does not have

I have written a script that queries the registry on multiple servers looking for specific keys (dealing with iSCSI). After the query, I need to make changes to some of the keys in: ...
3
votes
1answer
411 views

Second NIC “not working properly” on diskless Server 2012

I've got (after a considerable fight) a diskless Server 2012 running via the MS software iSCSI initiator being booted via gPXE chained from the NIC's PXE. However, now that it is booting properly I ...
1
vote
2answers
1k views

ZFS iSCSI and free capacity in VMFS

I use ZFS in FreeNAS 8.0.4 and use iSCSI to provide a LUN to Vmware ESXi 5.0. I post it at http://forums.freenas.org/showthread.php?10990-Memory-utilization-and-performance-problem/page4, but I ...
3
votes
1answer
2k views

Can't boot Windows Server 2012 from iSCSI

I'm working out how to install various OSes onto diskless servers to be run via iSCSI. The servers have no special hardware for this (no iSCSI HBAs etc.) I briefly played with Windows Deployment ...
1
vote
1answer
322 views

Can the Microsoft iSCSI Software Target back an LU by a physical disk?

In short, I want the Microsoft iSCSI Software Target to expose a physical disk (from the OS' perspective) as an iSCSI unit, instead of using a file (a Microsoft-proprietary "virtual disk") as the ...
1
vote
2answers
408 views

How to manage isolated/dedicated iSCSI network?

This is more of iSCSI switch setup question. I have an isolated iSCSI storage network which includes 2ea managed switches, and setup for redundancy. I could just connect a management pc to one of ...
0
votes
1answer
133 views

scripted resize kvm images

I'm examining the possibility to script the resizing of a kvm image. The goal is to give our customers the possibility to upgrade their vps online. So for instance if a customer has a vps of 10G then ...
3
votes
0answers
397 views

Windows Server 2012 - Hyper-V - iSCSI SAN - All Hyper-V Guests stops responding and extensive disk read/write

We have a problem with one of our deployments of Windows Server 2012 Hyper-V with a 2 node cluster connected to a iSCSI SAN. Our Problem Our problem is that for some reason all of the VMs stops ...
0
votes
1answer
85 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 ...
2
votes
0answers
2k views

iSCSI issue; “the media is write protected”

i've got some serious issues with w2k8 r2 standard and iSCSI controller. i'm running dell server, connected via ethernet to synergy NAS, which is handling LUN via iSCSI. i'm using ms iSCSI initiator ...
0
votes
2answers
665 views

Can a Dell Equallogic have an SMB share or are they only iSCSI?

Is it possible to set up an SMB share on a Dell Equallogic 4100, or is it solely iSCSI? I can't find anything but iSCSI. I would like to access the data over SMB (\\myequallogic) shares as opposed ...
1
vote
2answers
346 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 ...
2
votes
4answers
188 views

Is is possible to span “infinitely” across multiple Dell Equalogic devices?

I was looking at Dell Equalogic devices, the PS4100E. It says you can have two PS4100 boxes for 36TB each. Am I reading that right? What if I want to have more space? Can I span to more 4100E ...
1
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1answer
225 views

Xen: iSCSI initiator in dom0 VS in domU with BCM5709 ethernet cards

In the future we'll move from local storage for our VMs to an iSCSI-based solution. Our server vendor supports Broadcom NetXtreme II 5709 cards with dual gigabit ports and TOE + iSCSI acceleration. ...