Episode #125 of the Stack Overflow podcast is here. We talk Tilde Club and mechanical keyboards. Listen now

Questions tagged [iscsi]

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

Filter by
Sorted by
Tagged with
0
votes
1answer
52 views

Using Ubuntu Server 18.04 as iSCSI target and Windows 10 nodes

I´m starting to look at the possibility in running a iSCSI-target from a Ubuntu Server 18.04 to deploy image file (golden image file) to boot Win10-nodes(diskless) in a network. I have a running ...
0
votes
0answers
54 views

Error added iSCSI storage disk to Ubuntu 18.04

I just installed Ubuntu 18.04, followed steps from "iSCSI Initiator" sections from Ubuntu server. Everything went fine until ran command sudo iscsi -m -node --login Able to log on but when seeing ...
1
vote
1answer
45 views

Why is iSCSI Trying to Connect on IPv6 at boot?

18.04.02 I recently added an iSCSI target (Synology Diskstation). It mounts just fine at each boot; however, many times, boot time hangs and the only thing I really see that may be causing it is many ...
0
votes
1answer
46 views

MAAS and ISCSI SAN

I have 3 servers, I am deploying one as MAAS controller I also have a Dell MD3000i storage which connect via network. The goal is 1) 1 Server for MAAS CONTROLLER 2) 2 servers to host virtual machine 3)...
0
votes
0answers
197 views

Configure PXE Boot to boot Ubuntu 18.04 Desktop system on ISCSI Target

I have an Ubuntu 18.04 Desktop Configuration on an ISCSI target which I have installed from VirtualBox. It is configured correctly with open-iscsi. Virtual Box can boot from it, but only because the ...
0
votes
1answer
50 views

Configuring ISCSI timeout settings for AWS Storage Gateway volume gateway

I have an EC2 instance which is configured to attach to an volume gateway volume configured using the AWS Storage Gateway service. The instance connects to the iSCSI interface provided by the volume ...
0
votes
0answers
20 views

Will restarting open-iscsi.service interrupt an ongoing transfer?

I need to restart open-iscsi.service to connect a new target. But the server is transferring backups over iSCSI now (it will take a long time). Will restarting open-iscsi.service interrupt an ...
1
vote
1answer
54 views

Why open-iscsi has 2x slower writes than Samba via 10G Ethernet?

On my local file server I have raid-6 on 7x HDD drives. dd if=/dev/zero of=tempfile bs=1M count=2048 conv=fdatasync Local speed test gives me 349 MB/s. Remote writes to Samba from SSD (>2Gb/s read ...
1
vote
0answers
369 views

Can't apt-get upgrade or install, dkpg --configure -a hangs at “Setting up open-iscsi”

I've been unable to upgrade or install packages for a few months. Whenever I use an apt-get command, it tells me dpkg was interrupted. When I run the command it suggests, it hangs at "Setting up open-...
1
vote
0answers
276 views

Connected to iSCSI Synology NAS, but can't see devices in Ubuntu

I've got a Synology NAS which I'm trying to connect to via a bootable Ubuntu USB. I can see the Synology's targets and I'm connected to them. However, I can't seem to see any of the volumes using ...
0
votes
1answer
387 views

iSCSI volume not available during startup

I have successfully connected to my iSCSI target, mounted the volume and added the volume to fstab. After login, the volume is available and working. My problem is, that the iSCSI is supposed to be ...
0
votes
0answers
72 views

Setup Ethernet interface to bee used by iscsi with targetcli

I am trying to create a iscsi device but I am stuck on how to assign a Ethernet interface to the device. I got an Ethernet adapter available to be used. I don't know how to move on. o- / ................
0
votes
1answer
34 views

create instance with big volume and found retry filter running in nova-scheduler.log then fail with

Need some help, about RetryFilter running then create instance show 2 ip addresses . I have situation about , 1.Create volume with big size about more than 80GB 2.Run "launch as instance" then it ...
0
votes
0answers
73 views

Ubuntu terminal commands using SCSI tool induce disk failure

I have written a code to do read & write(random file) pulling a hard disk performance.But,I also want to check when there is a disk failure.So,I am trying to induce disk failure using SCSI tool....
1
vote
1answer
1k views

How to prevent an unconnected iscsi disk to slow down my pc boot?

My ubuntu 16.04 bootime is consistently long (several minutes). When i run systemd-analyze blame the first line is 2min 687ms open-iscsi.service The box is indeed setup with an iscsi drive (a ...
0
votes
1answer
311 views

How to show (on iscsi target) which initiators (if any) are active?

An Ubuntu host is an iSCSI target using targetcli. Once configured how can I show on the target host which initiators are (if any) are active?
0
votes
2answers
1k views

Install WORKING iSCSI (BUT SCST) on Ubuntu 16.04 Kernel 4.8.0.53-generic

Title says it all. The "SCST Build Team" that has the BS, NON-WORKING repo crap posted, please do not offer that as an answer unless you can back it up with a video cap as I've now seen enough others ...
1
vote
0answers
156 views

iSCSI latency under load with ESXi 6.0u2

Short question: Why am I experiencing write latency of 150ms on an iSCSI LUN on ESXi 6.0 update2, when the network is saturated. (Both SCST and LIO) Longer: Ubuntu 16.04(4.4.0-77) with LIO Target ...
3
votes
1answer
675 views

Open-iscsi target : enable write-back

Ubuntu 16.10 forced me to migrate iSCSI targets to openscsi as previous package iscsitarget (also known as ietd - iSCSI Enterprise Target Daemon) was unsupported and removed. Open-iscsi works, and ...
1
vote
1answer
2k views

Ubuntu Server 16.04 iSCSI to ESXi

I've recently moved my storage out to a SAN which runs Ubuntu Server 16.04 LTS. The SAN and ESXi box each have two NICs: one for management, and one for iSCSI. The iSCSI NICs are 10Gbps and ...
1
vote
1answer
699 views

Is there any way to setup a raid device after installation?

I just set up a storage-manager server that I connect via iscsi to my main system and am trying to set up a mirrored volume. The resultant volume would be a mirror of /dev/sda1 and /dev/sdd4, however ...
0
votes
1answer
2k views

How to install Ubuntu Server to a iSCSI Drive using IBFT

We have to install Ubuntu Server 16.04 on iSCSI Drives and boot from them, because we have no local storage. We have configured the iSCSI capable Network Controllers to log in into the iSCSI Target ...
1
vote
1answer
903 views

iscsi_trgt module for kernel 4.5

Ubuntu 15.10, Kernel 4.5 I followed this guide: http://www.cyberciti.biz/faq/debian-ubuntu-building-installing-a-custom-linux-kernel/ and I'm running Kernel 4.5, but I'm missing the iscsi_trgt module....
0
votes
1answer
874 views

Ubuntu installation, system failed to detect the iSCSI disk

I configured a iSCSI SAN disk in HP DL360p G8 server BIOS using card HP 556FLR SP+. Storage used is IBM DS storage. Bios can detect the disk, also I abled to install RHEL 6.7 over it. But, During ...
1
vote
1answer
257 views

What is mapping fiber channel upon install of 14.04?

We installed 14.04 that is connected to a fiber channel. I was expecting to wrestle with multipath to get the LUNs connected, but I noticed that I am mounted to the fiber channel right after install. ...
2
votes
0answers
337 views

How can I modify Ubuntu SCSI driver to support non-512 sector size hard drive or SSD like sector size = 520 bytes?

I have one drive with sector size = 512 bytes (/dev/sdb below) and one drive (/dev/sdc below) with sector size = 520 bytes as follows. # lsscsi -g [0:0:2:0] disk ATA SDLF1DAR-480G-1H ...
1
vote
0answers
690 views

Help connecting to Fiber HBA

We have a fiber channel set up, and I'd like to connect to it (I'm on Ubuntu 12.04 btw). I can see the wwpns that were delivered. But I don't quite know what to do from here. I can fdisk to the /...
0
votes
2answers
2k views

Using MAAS on Ubuntu 15.04 (Vivid Vervet)

i have just downloaded Ubuntu 15.04 Server AMD64 (Vivid Vervet) ISO and wanted to setup MAAS. I went through a simple OS install and then added MAAS with the command sudo apt-get install maas maas-...
1
vote
0answers
383 views

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 ...
4
votes
0answers
1k views

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 ...
2
votes
1answer
18k 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 ...
1
vote
0answers
470 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 ?
0
votes
0answers
70 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 ...
6
votes
2answers
5k views

Why is a SCSI disk not showing up?

I have a Seagate SCSI disk that is installed in my Kurwel 2500R sampler which I send files to via the computer. I had this system running on my Windows machine, but am not able to get it configured ...
1
vote
1answer
2k 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 ...
0
votes
1answer
1k 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 ...
1
vote
1answer
210 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 ...
1
vote
1answer
974 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 ...
5
votes
1answer
959 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 and/or hibernation? I seem to have a different one. After a recent ...
0
votes
1answer
72 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 ...
0
votes
1answer
871 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 ...
0
votes
1answer
233 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: ...
0
votes
1answer
2k 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 ...
0
votes
2answers
2k 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 ...
2
votes
1answer
202 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 ...
2
votes
1answer
3k 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? ...
1
vote
1answer
862 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 ...
5
votes
3answers
20k 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 http://sourceforge.net/apps/mediawiki/iscsitarget/index....