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Questions tagged [iscsi]

iSCSI - SCSI over IP - mount disks across the network

iSCSI is Internet Small Computer Systems Interface, and is a standard for sending SCSI commands across the IP layer of the TCP/IP suite.

Unlike ATA over Ethernet, (ATAoE) iSCSI allows you to use the same network link for mounting remote storage as well as communicating with the rest of the network.

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Should I bond iSCSI network connections?

I'm setting up some iSCSI storage (Lenovo) along with a physical server running RHEL7. The server has 2 NICs for the main LAN (bonded) and 2 NICs for the iSCSI network. The Lenovo storage has 4 ports connected to 2 physical switches. The iSCSI NICs…
frozenhelp
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Recommended switch for an iSCSI implementation

We want to implement an iSCSI SAN and all of our testing has shown that we can implement this quite cheaply (Starwind target, refurbished HP Storage array). What concerns me is the throughput/latency of the switch itself, so open questions: Which…
Rick
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vSphere P2V Conversion without converting an iSCSI disk

I have a physical Windows 2008 R2 server that connects via iSCSI, over ethernet, to a SAN. I need to convert the server to virtual, but I don't want to convert the iSCSI volume to VMDK, because I don't have the storage space required. Rather, I'd…
user189133
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LIO iSCSI Target for Windows Server 2016 Cluster disk - device is not ready

I have a LIO iSCSI Target configured on a Fedora 22 machine exporting 1 LUN to 2 Windows Server 2016 machines, both of these are able to access the disk without issues. These servers are part of a HA Cluster and when I attempt to add the disk to…
James Hirst
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Snow Leopard iSCSI initiator

I'm getting ready for a large Snow Leopard migration and am having problems with the standard iSCSI initiator from globalSAN. After some research I found out that the initiator is just incompatible with Snow Leopard. My question is what iSCSI…
Jordan Eunson
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iSCSI target stuck reconnecting after server reboots

I've been having some ongoing issues with my iSCSI connection not reconnecting itself after the server reboots, as shown below: OS is Windows Server 2008 R2. The iSCSI device is for my SQL Server 2008 R2 instance that is in a failover cluster with…
Nathan C
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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 R2 Initiators. Problem is each instance seems to…
NickC
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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 Services but it seems to be about the opposite of…
Kevin
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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 SAN, while the 1gb are for a 1gb iSCSI SAN. We were…
Gregory Thomson
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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 devices (fdisk -l). I see in /var/log/messages that…
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Linux NIC bonding on top of vlan interfaces?

Is it possible to set up bonding(active/backup) on top of existing vlan interfaces ? Assume the following scenario: Linux Server with 2 NICs connected to separate switches iSCSI initiator + MPIO to utilize both NICs (redundancy+throughput) each…
powo
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EMC VNX iSCSI setup - unsure about SP/port assignment

We have a new VNX5300 waiting to get configured, and I need to plan out the network infrastructure before the EMC tech arrives. It has 4x1gbit iSCSI per SP (8 ports in total), and I'd like to get the most out of the performance until we jump over to…
pauska
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How can I use NTFS and iSCSI and not corrupt my SAN?

I know you can't use multiples NTFS machines/servers with the same SAN iSCSI target without corruption. I have multiple servers, however, that need access to the same data on the same SAN. I do not have Microsoft Clustering Services nor can I use…
johnny
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iSCSI for databases, good idea

Is it a good idea to have a transactional database running on a server that uses iSCSI? They main argument is that you can have two servers accessing the same disk array, so if one server breaks the other one can kick in an do the work. So I have…
Franz Kafka
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ESX3.5 Cluster & MD3000i -- Both servers see iSCSI Targets, Only one server can use partition

Alright. First and foremost, Warning. This is a bigger-then-normal question. I like to be thorough and try to eliminate all possible "easymode" answers, as well as give everyone a feel of what i've tried. I've included several images of our setup…
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