iSCSI, is an abbreviation of Internet Small Computer System Interface, an Internet Protocol (IP)-based storage networking standard for linking data storage facilities.

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Need advice about Linux I/O user space API

I work with the SCST SCSI target subsystem now, and I was asked to compare this subsystem (which is not a part of the kernel) with kernel SCSI subsystem LIO (mostly performance). So, I'm going to ...
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Lun os crash in san box [on hold]

In my server lun os rhel6u5 is getting crashed . San box i'm using is p4000. Please tell me what might be the reason for os crash . Only for linux i'm seeing this issue
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Ubuntu server 14.0 iscsi drive not mounting

I am new to Ubuntu and I am having a problem mounting an ISCSI drive on boot. When I watch the services start up, I see FAIL for mounting network filesystem. When the server finishes booting, the ...
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45 views

Cannot reattach iscsitarget after reboot

So I had built a SAN Storage over Ethernet using Ubuntu Server 14.04 and IscsiTarget last year. About a week ago we had a major crisis with our 16TB SAN and it for some reason just decided to start ...
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Device attached over iSCSI not found at /dev/disk/by-path

Device attached over iscsi not found at /dev/disk/by-path. The iscsiadm also shows that there are devices without attached disk: sudo iscsiadm -m session -P 3 iSCSI Transport Class version 2.0-870 ...
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143 views

Trouble connecting to Drobo b800i using ISCSI on Ubuntu 14.04

I have a new Drobo b800i that I am having trouble connecting to an Ubuntu 14.04 workstation. Any help is appreciated. This is a completely fresh installation, so all the settings I haven't changed are ...
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200 views

iscsitarget suddenly broken after upgrade of the 12.04 Hardware Stack

After an upgrade to the latest Hardware Stack using Ubuntu 12.04, my iscsi service is not longer operational. The error from the service is such: FATAL: Module iscsi_trgt not found. I have learned ...
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328 views

stored iSCSI information target in Ubuntu 14.04 boot

We are doing some testing with iSCSI boot of Ubuntu Server 14.04 on a large bed of diskless clients. We installed one client to an iSCSI target rbd_base and then shut down and cloned the volume and ...
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2k views

iSCSI auto startup at boot 14.04

I'm running Trusty Tahr (14.04) server. I've attached an iscsi disk and mounted it, mkfs, etc. works great, if I do it manually. I'd much prefer to have my box mount the disk at boot so I've modified ...
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156 views

ubuntu 14.04 boot from san

I installed ubuntu 14.04 on iscsi target and after reboot i get grub rescue prombt after error Boot sector id not valid error: no such device : c098787-4839-34bh-3d4f-b3eef9i3j9f any advice ?
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55 views

USB Drive Mounting - Noob Question [duplicate]

Ubuntu noob here... I have a Ubuntu 14.04 server installed with 4 internal SATA drives. I've recently added a USB 1.5 TB drive and used it for a while without issue. Even more recently, I've added ...
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651 views

Auto mount mount point on iSCSI driver

I am running Ubuntu 12.04 LTS. I recently added a 1 terabyte iSCSI volume with a single ext4 partition. Everything works as it should but with the only issue being I cannot create a mount point using ...
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1answer
136 views

iscsiadm discovery gives multiple paths. Want to specify one

I've using iSCSI to connect a server to a SAN. The SAN has multiple ethernet NICs. When I do an iSCSI discovery... iscsiadm -m discovery -t st -p 172.16.0.1 ... we get the a listed path for each ...
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1answer
116 views

Installing drivers for “BT-930 BusLogic flashpoint LT”, Ubuntu 12.04

I'm trying to install the driver for a SCSI controller card: BT-930 BusLogic flashpoint LT. I'm on Ubuntu 12.04 64-bit with kernel 3.2.0-54-generic. I have (I think) the tarball I require and is ...
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1answer
598 views

Highly available iSCSI target

I'm in the process of setting up iSCSI target on DRBD following the steps detailed here. I would appreciate if someone can answer and explain the following queries: Is there a way to set up just 1 ...
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1answer
597 views

How do I prevent immediate wake up from suspend (version II)?

This question covers one reason a computer might immediately wake after suspend: How do I prevent immediate wake up from suspend? I seem to have a different one. After a recent security patch update ...
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1answer
41 views

Can I get back data after setting up root to iSCSI device?

I tried to setup iSCSI target and defined root partition as target (that was wrong I know). I didn't format the iSCSI device; is it possible to get back the data from this partition? System does not ...
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1answer
480 views

How to reinstall server

Since I got a blank screen after installation, I tried to reinstall the server OS 12.04 using the CD. This time after the country and login information are given, it asks me to specify some scsi ...
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1answer
158 views

ISCSI iscsi_trgt sess_param_check(55) default_retain_time is out of range

Clustered ISCSI target has been installed based on Ubuntu Server 12.04 amd64. Target is working, but I have few kernel messages, when heartbeat starts iscsi service. Sep 5 08:47:58 cluster01 kernel: ...
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1answer
1k views

Targetcli can't load modules qla2xxx and ib_srpt

I've installed targetcli from ubuntu repository and when I start targetcli as root, it starts and display following info: Welcome to the targetcli shell: Copyright (c) 2011 by RisingTide Systems ...
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2answers
1k views

How to configure iscsi fault tolerance in ubuntu 12.04?

How to configure iscsi fault tolerance in ubuntu 12.04? iSCSI SANs usually have multiple controllers that make failover transparent to the clients.. what i am doing is the following. i made an ubuntu ...
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1answer
126 views

Why is iSCSI support not included on the alternate installer?

Does anyone know the reason that Canonical decided not to include the ability to install to iSCSI using the "alternate" installation CD (on 10.04 at least)? Ubuntu 10.04 Server installation CD ...
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2answers
2k views

How To Boot XEN VMs Using iSCSI?

In simple, I want boot XEN fully virtualized (HVM) guests (both Windows & Linux) using iSCSI drives (i.e. from SAN). My main purpose of this is to learn about this process. So, how can I do it? ...
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621 views

Need to set up shared storage for Guest virtual machines that are running on a Xen host

My environment: I am doing these things at home with the purpose of learning about virtualization techniques. My machine have quad core processor that supports Intel-VT and 8GB RAM. XEN is the ...
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13k views

iscsi_trgt missing because can't build kernel module

When attempting to start the iscsitarget service, I get FATAL: Module iscsi_trgt not found. Trying to build module using instructions from ...