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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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ESX Server not seeing ISCSI Device for connection to HP Lefthand SAN Array

I have an ESX server array that I had connected to four HP SAN boxes. Unfortunately, HP only sent me three certificates (and I lost track) so it was running with only 3 of the 4 boxes cert'ed. I have called up HP, we found the cert and now all 4 are…
Coergo
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Is it possible to use RAID-Z/Z2 and iSCSI on FreeNAS 8

I am trying to configure FreeNas 8 to expose an RAID-Z or RAID-Z2 volume via iSCSI. I have had limited success. If I delete the RAID-Z volume and simply expose a "physical" disk in the iSCSI setup then everything works no problem. I have 4 * 2TB…
Nate Zaugg
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iSCSI Target RAID Array Recommended for MacOS X

What iSCSI Target RAID Array would your recommended for MacOS X? I would prefer one that has official MacOS X iSCSI support, but if you have ones that you have used and know that work well that could do as well. We're looking at SyneRAID and HP's…
tegbains
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SQL Server iSCSI session issue with a NetApp SAN

We had an issue early this morning when iSCSI issues broke connectivity with a few of our databases (resulting in a SQL Server Error 21). Attempts to DBCC CheckDB did not work, and the only solution was to restart the SQL Service. Is there a known…
Matt Beckman
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Booting XenServer 5.6 from iSCSI

I would like to setup a diskless XenServer 5.6 FP 1 machine that boots from an iSCSI target. I think installation onto an iSCSI should be pretty easy: start the installer, open up a shell, use iscsiadm to connect to the iSCSI target, and have the…
Alex
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Creating multiple ISCSI LUNs from one disk, under Linux

I have a 2.7 TB virtual disk (LSI MegaRAID controller with ten 600GB SAS drives configured in RAID10) under Linux. I am sharing this disk to a remote ESX host via ISCSI. Unfortunately ESX will only make a 740GB VMFS partition if you present it LUN…
Henno
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SAS HBA and P2000 SAS controllers speed

I have HP SC08Ge HBAs and P2000 G3 solution (RAID6, 8+2 spare disks) working on XenServer 5.6.0 . What seems to be strange, is the speed - 35MB/s maximum in one VM (Squeeze). Is it normal or I have to investigate some bottleneck or whatever ... I'm…
John
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Mounting image files created for iSCSI target daemon

I have recently installed a iSCSI environment on a Ubuntu Server. In this system i have used images created with the following command: dd if=/dev/zero of=/storage/lun1.img bs=1024k count=20000 as seen on:…
user78270
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Raid array overloaded with no apparent reason, iostat output not making much sense?

I am looking to an iscsi installation comprised of the raid arrays managed by an HP P400 controller. 2 pairs of drives each mirrored plus 4 drives in a raid 10 configuration, all 7200rpm sas drives. The drives hold vmfs3 volumes exported through…
Fulvio Scapin
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Convert EMC AX150 to iSCSI?

I've to an EMC AX150 SAN, with two FC controllers in it. And no existing FC infrastructure. Since the controller cards seem to be modular (you can get 1 or 2 of them), is it possible to obtain iSCSI cards and replace the FC ones in that SAN to make…
Dentrasi
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2 web servers' application accessing the same data

I've been tasked to find for a solution that will allow me to use 1 storage location for 2 different web servers' applicaiton data. My problem is that these 2 web servers will both be accessing the same files. I need a way to lock the file if 1…
Phygg
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Novell Xen cloud

I'm trying to set up a mini-cloud with Novell Xen (SLES 10 SP2 so it's Xen 3.2.x). I have an iSCSI server in the back, using a Starwind 4.1 target. The problem is that I when I write to the iSCSI server with the first host, I can't see the file on…
Hofa
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could a NFS volume export to VMWARE ESX used for Windows 2008 cluster?

Linux NFS export to VMWare ESX. Could this be used as shared storage for two Windows Virtual machines inside the ESX? "cluster in a box" "Windows 2008 R2 needs support for SCSI-3 persistent reservations"
JMS77
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Selinux/MySQL permissions issue in a new iSCSI disk: not allowed default_t context

I've a server with MySQL installed and running, and an iSCSI disk (with multipath) connected and running OK. The iSCSI disk uses /emc as mountpoint. My problem is when I move MySQL datadir to a new dir on de iSCSI disk, i.e., to /emc/lib/mysql. The…
ARemesal
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Is it possible to use an EMC SAN in iscsi without starting any Powerwhatever dæmon?

I can't seem to get my iscsi targets working without starting the PowerPath module, even though I don't actually use it. Is it at all possible? Edit: Precision, I'm not currently even using multipathing. But if I don't start /etc/init.d/PowerPath,…
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