iSCSI - SCSI over IP - mount disks across the network

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122 views

iSCSI initiator - only want one of three available volumes

Initiator: CentOS 6.4 Target: EqualLogic PS6110 I have three volumes currently exported from this SAN. I want to connect to one of these (and only one) from the CentOS machine. What I've tried: ...
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2answers
6k views

Basic iSCSI target setup on Proxmox VE (Debian 7) not working

I have created a Linux LVM partition on my disk and want to share it over network via iSCSI. However, the target is unreachable with iscsiadm (from both local and remote). The setup is shown below. ...
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2answers
426 views

windows 2012 failover cluster, system validation, and storage spaces

I have two host servers with Windows 2012 Hyper-V installed. I have also configured File and Storage Services with one Storage Pool, one Virtual Disk on each server. I used Star Wind SAN for Hyper-V ...
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2answers
11k views

Routing traffic to a specific NIC in Windows

I added a 10GB NIC to a SQL server which is connected over to a backend storage using ISCSI. I would like to force traffic going to a certain IP address/host to use the 10gb NIC, while all other ...
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1answer
214 views

Where is the location of shares stored in Windows Server? (Switching iSCSI disk to VMDK)

I have a virtualized Windows Server 2008 with iSCSI volume attached (inside the guest). This disk servers as the main file server data disk with lots of shares, permissions, etc. I would like to "...
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1answer
1k views

Create a share on iscsi drive in Windows Server 2012

I am brand new to server administration but I don't belive im trying to do anything to exotic I have a windows server 2012 (standard) and a drobo 800i My goal is to setup company shares on the ...
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2answers
3k views

iSCSI: LUNs per target?

My question relates specifically to ZFS/COMSTAR but I assume is generally applicable to any iSCSI system. Should one prefer to create a target for every LUN that you want to expose? Or is it good ...
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1answer
492 views

Solaris iSCSI read speeds increase when we start writing

Here's one I haven't seen before. We have an IBM Storwize V3700 storage array, 24 TB, RAID 5 connected to a Solaris 10 file server via an iSCSI link over Gigabit Ethernet (no MPIO at present). We ...
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4answers
206 views

SAN newbie: Using a server like an ISCSI gateway for a purely FC SAN device

I am very new to SANs and have inherited an old EMC CX300 to play with. The CX300 is purely FC, but I'd like to experiment with ISCSI as well without having to purchase an expensive ISCSI gateway ...
2
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1answer
803 views

Lio iSCSI target on OpenSUSE?

I want to use an iSCSI targeting framework that supports SCSI-3 and VAAI for use as an iSCSI SAN cluster across 2 servers. As far as i'm aware I can use either Lio (http://linux-iscsi.org/wiki/...
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1answer
3k views

CentOS 6.4 iSCSI Target - crm shell error

I try to make a iSCSI Target on CentOS 6.4 with DRBD, Pacemaker, Open-iSCSI and LVM2. Now I need to prepare the HA iSCSI Target configuration on the crm shell, but if I enter the configure mode, ...
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1answer
178 views

iSCSI LUN, more than one intitator

I am experimenting for the first time with iSCSI. I ´ve setup a Synology DS1513+, target and LUN configured, first initiator (WS 2008) configured, copied some folders on it, everything works fine. ...
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1answer
1k views

cannot create zfs pool on iscsi multipath drives

I have a disk on iSCSI SAN, which i have mounted on my server through multipath. when i run the command to create zfs pool using zpool create -f zfs-data /dev/sdc or zpool create -f zfs-data /dev/...
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1answer
78 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 ...
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0answers
233 views

Using puppet to deploy windows backup with Microsoft iSCSI

We currently have started using the following strategy for Windows backups, which I am looking to deploy via puppet: iSCSI Initiator is enabled on the client server. iSCSI Virtual Disk + VHD are ...
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1answer
68 views

ISCSI Connector and Domain Name Migration

I have a Dell MD3000i that is connected to both of my Hyper V hosts. We recently went through a full domain migration from one domain to another. The last AD server is one of the hyper v hosts ...
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0answers
168 views

Upstart task to wait for iscsi target to become available?

I've got a couple of virtualization servers running Ubuntu 12.04 and Virtualbox and just bought a Synology NAS which I plan to use as an iSCSI target to serve storage for the VMs. I realize that ...
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1answer
391 views

Windows Server 2012 MPIO 30sec Time Delay

I build up one iSCSI with MPIO in my lab, attached is draft diagram. My MPIO may not configure as well, due to even though I set Round Robin in my Windows Server 2012 iSCSI manager, I still noticed ...
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1answer
2k views

Server hangs at “Shutting down loopback interface” on reboot

I'm having some trouble understanding what's going on with connecting one of our Xen hypervisors to our iSCSI SAN. Ever since we mounted our iSCSI targets, we've experienced hanging on reboots. This ...
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0answers
745 views

Broadcom BCM57810 iSCSI offload performance

Anyone out there doing iSCSI offloading using Broadcom BCM57810 10 gigabit ethernet cards? My test scenario Network.... 2 x Dell Force 10 S4810 switches Client.... Dell R620 24 core 128gb memory ...
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1answer
236 views

Cannot see available disk space in LVM

I have iSCSI disks connected to my server. i want to resize their capacity. It has LVM on the disk. when i resize the disk in equallogic SAN, i gave it 700GB. and when it check its disk space by fdisk ...
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1answer
359 views

iSCSI Storage with Broadcom BCM5709 Offload in XenServer 6.2

I'm in a process of migration from ESXi to XenServer. But we can't add our iSCSI Storage via Hardware HBA in XenServer 6.2. I've tried to manually load bnx2i and cnic modules via modprobe but it has ...
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1answer
243 views

Accessing iSCSI LUN from OS X and Debian simultaneously

My setup is the following: Synology Disk Station as iSCSI target OS X 10.8 as client Debian as client I don't like to know that I should use WebDAV or similar file sharing protocols. I'd like to ...
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1answer
2k views

Sharing storage between DFS nodes providing failover without failover manager

I'm currently consulting for a small engineering firm that has been using a single server for all their domain needs and their management has got sick of not being able to access networked shares from ...
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1answer
517 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 ...
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1answer
942 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 ...
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1answer
81 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 ...
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2answers
85 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 ...
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0answers
1k 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 ...
2
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1answer
4k 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 ...
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5answers
181 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 ...
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1answer
1k 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 ...
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1answer
326 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 ...
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1answer
358 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 ...
2
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1answer
301 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? For clarification, I want to know if a supported iSCSI offload ...
2
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1answer
204 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) ...
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1answer
466 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
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1answer
1k 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 ...
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0answers
576 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 ...
0
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1answer
2k 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 ...
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1answer
891 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 ...
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1answer
2k 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
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2answers
405 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 ...
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3answers
287 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 ...
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2answers
592 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 ...
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1answer
566 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 ...
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1answer
34 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 ...
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2answers
563 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 ...
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0answers
152 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 ...
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1answer
642 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 ...