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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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What could be causing this bottleneck on Nextenta

I have a Nextenta box connected to another Windows 7 machine via iSCSI. It is getting horribly slow average write speeds, but a large active time in the Windows Resource Monitor. The machines are connected via a cross over cable, so I don't think…
Rowan Parker
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How to track physical drives to server LUNs & mount points

I need to document which physical drives each server depends on ( SAN, on an external array, iSCSI etc). Since this potentially a many-many relationship, with dependencies, finding a usable solution is a small challenge. What tools (or Excel…
makerofthings7
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Free SAN Storage Software for Linux

I'm looking for a free solution to build virtual disk targets accessible over SAN (iSCSI). Primary requirement for me is data deduplication support. After much search on the internet i came across quadstor (quadstor.com) and nexentastor…
joel billy
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Is it possible to use iscsi to create a red hat cluster?

I have a netapp fast 2xxx with iscsi support, with 2 san switches. Is it possible to use one iscsi lun with cluster purposes? The idea is to create a clustered service which needs storage, the storage is provided by iscsi. The distribution should be…
Marc Riera
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Hide iSCSI targets in linux?

My SAN reports the same targets with multiple IP addresses. Is there a way to hide some of those IPs so I don't see the same targets multiple times?
Xoff
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Dell MD3200i config query

Just a short query: I have a Dell Md3200i setup to serve LUNs to my 2 physical hosts and I'm running vSphere/ESXi v5 with a number of VM's. Is it normal behavior for ALL VM's and LUN's to run off the one controller all the time? At the moment…
vlannoob
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iSCSI drive dropping connection

I have a problem at the moment with one of our main shared folders. The network speeds to this drive will suddenly slow right down and occasionally completely stop. The shared folder is an iSCSI drive stored on a SAN connected to one of our servers.…
boburob
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How to connect SAN from CentOS through two iSCSI Targets

I had asked the similar question before. This time I want to use subnet for two iSCSI Targets, hence I start a new question. I have an old Promise VTrak M500i SAN Server. It comes with 2 iSCSI ports. I want to connect to two LUNs on the SAN server…
garconcn
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Configure initiator on CentOS for two Targets

I have an old Promise VTrak M500i SAN Server. It comes with 2 iSCSI ports. I have given each port an IP: port1 - 192.168.2.12 port2 - 192.168.2.13 I have two Logical Drives on this SAN and they are mapped as follows: Index Initiator Name …
garconcn
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Change ESX Server 3 iSCSI IP Addresses

Moved ESX farm to a different datacenter with a different IP address scheme. Two questions: 1) I've changed the ip address of the service console but when I boot it still says: "You can manage this host from the web at http://OLD-IP-ADDRESS" - how…
Matt Rogish
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Can I have different ESX hosts accessing the same LUN over different protocols?

I currently have a cluster of two ESX 3.5U2 servers connected directly via FiberChannel to a NetApp 3020 cluster. These hosts mount four VMFS LUNs for virtual machine storage. Currently these LUNs are only made available via our FiberChannel…
Kevin Kuphal
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mixing single path and multipath SR's in a Xenserver pool

Has anyone attempted to run a single path iSCSI SR alongside a multipath iSCSI SR in a Xenserver 5.6 pool? We're migrating from an old SAN to a new one and I want the new one to use multipathing. Firstly, is this possible? If so, what steps will I…
seaweed
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Is Amazon EC2 ready for real-world disk-access-heavy webapp hosting with HTTPS balancer?

Load balancing with HTTPS We have apache/java/php web application that has HTTPS sessions and we want to move to Amazon EC2 with Elastic Load balancer. But we've been reading on stackoverflow that various features of HTTPS are not supported by…
Roman
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ESXi 4.1 iSCSI won't create partition the full size of the Openfiler Volume

I created an iSCSI volume in Openfiler. Volume name Volume description Volume size File system type File system size FS used space FS free space Delete Properties Snapshots backup Backup Storage 3717536 MB iSCSI Not…
Nick
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ReadyNAS 2100 iSCSI and ESX Server 3 - Multiple Host Connections

I have a simple VMWare ESX Server 3 farm (plus Virtual Infrastructure/HA) that is running off of a single iSCSI SAN. We have a NetGear ReadyNAS 2100 set up as an iSCSI target with two volumes (mirroring the iSCSI SAN). Its job is to run as a backup…
Matt Rogish
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