iSCSI - SCSI over IP - mount disks across the network

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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
99 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
291 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 ...
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4answers
875 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 ...
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1answer
392 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 ...
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1answer
549 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 ...
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2answers
175 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 ...
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2answers
162 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 ...
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283 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: ...
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1answer
432 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 ...
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1answer
432 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 ...
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49 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: ...
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1answer
504 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 ...
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2answers
2k 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 ...
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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 ...
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1answer
360 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 ...
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2answers
519 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 ...
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1answer
135 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 ...
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0answers
425 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 ...
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1answer
95 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 ...
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0answers
3k 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 ...
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2answers
905 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 ...
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2answers
378 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 ...
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4answers
206 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 ...
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1answer
254 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. ...
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2answers
255 views

large iSCSI disk a good idea on an entry-level “unified” NAS?

I am working on implementing a D2D backup solution for ~150 computers based on Crashplan ProE (no cloud storage). For the storage backend, I picked up an Overland Snapserver DX2 head unit and one ...
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1answer
307 views

NetApp Flex Volumes (Flexible Volumes)

I have an aggregate with a 150 GB Flexible volume with a 3 TB capacity and a growth increment of 10 GB. If I want to Copy 1.5 TB of data to the volume, it tells me there is not enough disk space. ...
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2answers
162 views

iscsi versus non-iscsi san?

We are considering adding a SAN. I have two choices right now, the Dell MD3000 and the Dell MD3000i, 15 x 146Gb san drives. Naturally the latest model is more expensive (2x as much), but can ...
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2answers
421 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?
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1answer
866 views

How do you get iSCSI multipath to discover new LUNs that have not been partitioned yet?

Oracle Linux 6.3 iscsi multipath shows LUNs with existing file system but not the raw block devices that have not been partitioned yet. When I run multipath -ll it will show a LUN that has previously ...
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2answers
689 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 ...
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2answers
533 views

VMWare vSphere 5: 4 pNICs for iSCSI vs. 2 pNICs

New SAN for me, never used before: it's an IBM DS3512, dual controller with a quad 1GbE NIC per controller that a client bought and needs help setting up. Hosts (x2) have 8 pNICs and while I usually ...
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2answers
833 views

Fine tuning iSCSI Initiator configuration in Windows Server 2008 R2

I've set up a 3 node cluster with Windows Server 2008 R2. I need to connect to these nodes a lot of lun (18 LUN on each node; not my decision... :( ). After digging a while with iSCSI Initiator ...
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1answer
415 views

Dell Powerconnect 7024 and iSCSI on Dell PS6000

I am setting up an iSCSI environment for a Windows Server. I will be using 2 Dell Poweconnect 7024s , 1 Dell PS6000, and a Windows Server (2008 R2). I have more experience in fiber switches and EMC ...
2
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1answer
397 views

iSCSI write cache

Is there a way to setup on a Linux iSCSI initiator a local disk partition for write cache ? The data would be first written on some high performance local disk and then in a second time on capacitive ...
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2answers
296 views

iSCSI using uplink ports on switch

Do the uplink ports on switches typically work okay as iSCSI ports? We're adding a 10gb iSCSI SAN, and want to get a combo switch (48x1gb & 4x10gb SFP+ uplink ports) and use the 10gb for the iSCSI ...
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2answers
645 views

iSCSI Distributed RAID?

Thinking about setting-up as distributed RAID array over iSCSI. Has anyone else tried this, if so what was your experience. To be more specific I am thinking of a couple of CentOS servers each with ...
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1answer
187 views

iSCSI - what's faster?

I have a DroboPro that is currently connected to a GS748TS switch. Also connected to the switch is a server and few workstations. Which method would be better in performance? Add a NIC to the ...
2
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1answer
452 views

AWS Storage Gateway without the “on-premises” part?

The use cases for the AWS Storage Gateway always seem to assume that the virtual storage gateway would be installed on-premises (i.e. local to the customer) and would then be synced to AWS. I am ...
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1answer
81 views

MPIO Linux Servers and switches

Good day, I have an UltraStor RS16IP4 ISCSI SAN and two Netgear GS748T switches. I'm looking to integrate MPIO (Multipath I/O) between my servers and the SAN. I'm somewhat new to MPIO and want to ...
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2answers
439 views

Can't access to a iSCSI volume

I have a iSCSI target on a customer place I'm using from an old Fedora (Core6) server. I configured it and formatted as ext3 (mistake, now I know) and I've been working with it for some time. Now I ...
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2answers
210 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. ...
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1answer
7k views

iSCSI errors continue after removing inaccessible target portal

By mistake I entered an iSCSI target portal address in the iSCSI Initiator on one of our virtual servers that does not have an address in the network range used for iSCSI. This caused the following ...
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1answer
463 views

iSCSI logout Input output error

203 hava a iSCSI target named poolA that I am trying to log into using this command: iscsiadm -m node -T poolA -p 192.168.0.203 -l I am trying to use it as a vg. Secondly, I create two lvs on this ...
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1answer
210 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 ...
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4answers
2k views

Boot from iSCSI. How does it work?

I have a Supermicro 2uTwin2 blade server which we're hoping to run XenServer on. Because this motherboard only provides Intel's fakeraid, I was hoping to leverage its boot from iSCSI functionality ...
3
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1answer
3k 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 ...
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1answer
57 views

Backups devices for Windows Server Backup and Symantec [closed]

What is the best way to backup windows SQL, Exchange or AD servers data to? NAS, external USB , iSCSI or perhaps some other backup solution? I will not however be considering cloud backup solutions ...
4
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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 ...
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3answers
3k views

CentOS iscsi initiator has session but there is no block device

I have installed the scsi-target-utils package on CentOS and I used it to perform a discovery. The discovery did give me an active session. I restarted the iscsi service but I do not see any new ...