Questions tagged [iscsi]

iSCSI (or Internet Small Computer System Interface) is a network storage technology that can be used to transfer data across IP networks.

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Two issues with iSCSI on Windows 10

I'm using iSCSI on Synology DS918+ with Windows 10 PCs. I think iSCSI with Jumbo Packet enabled, the performance is ok on 1Gbps ethernet. (Wish I had 10Gbps though) Two issues I'm having are: If I ...
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Debian upgrade - iscsiadm hangs on logout, blkid hangs too

I have been using iscsiadm on Debian Jessie for a while without any issues. Then I upgraded Jessie to Stretch today and could log in with iscsiadm. lsblk showed the partitions, but no partiition UUIDs ...
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How can I change iSCSI links if the connection is lost but the data is still on the NAS/QNAP storage system?

We're having a problem with our NAS system. The iSCSI links are failing to connect (shown as "reconnecting"). We'd like to change the iSCSI links, but the data is still on the QNAP/NAS ...
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356 views

MPIO and ESXi 7.0 standalone

I'm trying to setup MPIO between ESXi 7.0 standalone (free license) and a SCST server. I created 4 vmknics (vmk1,vmk2,vmk3,vmk4) with IPv6 addresses (2001::1/64,2002::1/64,2003::1/64,2004::1/64) and I ...
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Analysis of the ISCI Windows 10 Setup Process

I would like to understand the process by which setup creates an iscsi installation. There is little documentation of this procedure. A sysprep'd image if converted to a wim, can be applied by setup ...
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377 views

How to connect to iscsi target with iscsiadm from Synology through SSH

Since we want to back up our Synology NAS internally with a rotation system, I'm trying to connect to an iscsi target on my tandberg/overland Quickstation 4 from my Synology NAS (SA3400). I've tried ...
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46 views

Mounting an iSCSI Server in a WinPE Instance

Does anybody know of a Small-and-Light iSCSI Server that I can use in WinPE (Windows 10 based PE) to mount a target for a remote client? Better... is there a way to use the MS-ISCSI server in WinPE ...
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116 views

Can VMware ESXi host local storage as an iSCSI target to another device?

Obviously in ESXi you can connect to an iSCSI target to access remote storage, but is there a way to host local server storage on an ESXi machine as an iSCSI target to another system?
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Ubuntu: Unable to mount NFS share

I have an NFS share and an iSCSI target on my NAS. I'm trying to mount either of them on my Ubuntu 18.04 VM. I'm using Hyper-V for the hypervisor. I can connect to both the NFS and iSCSI on the ...
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About using Windows 2016 physical server iscsi with vmware on Windows 10

I am using iscsi on a Windows 2016 physical server. The Windows 2016 physical server has a vmware workstation installed and is running Windows 10 as an image. Windows 10 uses iscsi from 2016 Physical ...
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724 views

Ubuntu 18.04 server hangs on startup when enabling iptables

After enabling iptables, with the following very basic configuration: iptables -P INPUT DROP iptables -A INPUT -s 127.0.0.1 -d 127.0.0.1 -j ACCEPT iptables -A INPUT -p udp --sport 53 -j ACCEPT ...
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2k views

Iscsi target configuration on centos7, how to resolve authentication error

I am attempting to setup an iscsitarget, with one block lun which is a zfs zvol on a centos7 machine. I've only ever used iscsitarget and the /etc/iet/ietd.conf file on ubuntu systems. I have this (...
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146 views

iscsiadm hangs and tcpdump shows nothing

I am troubleshooting iscsiadm. iscsiadm --mode discovery --portal 10.144.35.235 --type sendtargets --discover The command mentioned above blocks and does nothing. I've cleared ipvs and iptables. ...
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53 views

What roles to add to a Windows Server so that I can have a share disk to use in a cluster?

I am adding the role - File and iSCSI Services - for clustering purposes What I actually want is to add a Disk Witness in Quorum - a network share to be part of my clustering as per my picture below: ...
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401 views

Homelab SAN, I need advices

I'd like to add a SAN to my homelab for learning / fun purpose, so I have spend the last few days trying to learn more about it but as some infos are pretty old and there is a lot a different ...
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511 views

Every time I reboot my Windows 10 machine, I have to restart the iSCSI service

Whenever I reboot, the iSCSI drives are not connected, and I see "reconnecting" in the Microsoft iSCSI initiator, if I try to disconnect I get an error, but after restarting the iSCSI service (at this ...
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2k views

Force iSCSI Disconnect

I've been toying around with iSCSI for a little while (FreeNAS 11.1-U5 target, Win10 Pro initiator) and have run into what would be a bit of a deal-breaking issue: I can't seem to disconnect from an ...
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237 views

iSCSI - Unable to mount external disk on target

I use targetcli-fb package My target is configured on a computer with installed Debian. Initiator is configured on Virtual Debian System, I use VirtualBox for virtualisation. I log in to target ...
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140 views

Hyper-V VM fail with at end of iSCSI boot

I have a Hyper-V VM (generation 1) booting from iSCSI The OS in the iSCSI target is Windows 10 it loads almost all of the of the system and fails at end with "INACCESSIBLE_BOOT_DEVICE" error try ...
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Ubuntu offline shared folder

So I've got a PABX (Ubuntu) that records calls to /opt/recordings. Because this folder can get very large I don't want to keep it on my fast storage so I moved it over to our slow iSCSI storage. So /...
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How to clear unused iscsi device after replace

I just use new iscsi disk to replace old iscsi disk on Ubuntu 14.04. I had mount new, migrate data and replace mount point(/var/vcap/store). But old iscsi target was still existing. colocated/...
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509 views

iSCSI over MPIO, Hyper-V Host or Guest

I have a Virtual Machine that needs to have exclusive access to an iSCSI volume. In an all Win Server 2016 / Hyper-V environment is it better to setup iSCSI over MPIO in the Host or in the Guest OS? ...
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562 views

mounting .vhdx image and iscsi target (windows server 2012 R2) at the same time

I have questions about .VHDX iscsi target in windows 2012 R2, and mounting the .VHDX image at the same time. To make my question clear, here is the configuration details: fileserver detail: ...
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177 views

Delayed execution on shell script

I made a simple script file on my linux machine to mount a iscsi drive. iscsiadm –m node --targetname THE_TARGET_IQN --login mount /dev/sdb1 /home/mounted The problem is, When I exceuted this script,...
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245 views

iscsiadm initialize target larger than 2TB

Background I'm setting up ISCSI on my Linux server at home and I bought a 4 TB WDBlack to use. At first, I had mounted the HD and created a partition, created the target through Webmin and initiated ...
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49 views

Which server in the iSCSI network needs the offload network adapter TOE?

Which server in the iSCSI network needs the offload network adapter, the initiator server or the target server?
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333 views

Same dropbox account, multiple VMs. Most efficient way?

What is the optimal way to use the same Dropbox account on multiple virtual machines residing on the same computer? I could just install Dropbox on the main user of every VM, but that would be ...
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467 views

How to run windows command line when getting diskless boot error?

I am using diskless boot Windows 7 with iPXE. PC is intended to boot from vhdx, which i obtained by snapshotting sata(ahci) hard drive with sysiternals disk2vhd utility. Hard drive was previously in ...
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186 views

How to configure iSCSI Redirection on either Linux or Windows?

I am trying to set up an iSCSI redirection environmnt. First I tried with Windows Server 2012 following this video. But it seems the Windows Server 2012 doesn't provide the iSCSI redirection feature. ...
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126 views

How to configure iSCSI redirection on Windows Server 2012?

rfc 7143 defines the iSCSI redirection function. I don't have a Windows Server 2012 instance at hand. Is it possible to configure this feature on Windows Server 2012? Redirection - indicates that ...
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431 views

How to make iscsi initiator propogate changes?

I use CentOS 7. I created simple target/initiator configuration and two acls(ACL) for two users. However, when I mount on both users and write from the first user, write changes don't propagate to ...
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604 views

How do I automount a LUKS partition on iscsi at boot?

I have a partition on a CentOS7 machine that is mounted from iSCSI as follows: iSCSI -> LVM -> LUKS -> XFS /etc/crypttab is configured as follows with a key: home_vmail UUID="b79e45cf-89aa-40f2-...
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4k views

How can I quickly decompress a 1TB (5 million file) 7-Zip (7z) file stored on a NAS

There is a 7-Zip (7z) file (size: 1TB with about 5 million files inside) in a NAS device running in iSCSI mode. The 7-Zip file was compressed by the “only store not compress” mode. When the files ...
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263 views

Windows cannot be installed to this disk. iscsi drive install

I am trying to install a windows operating system on a remote iscsi drive following this tutorial http://www.etherboot.org/wiki/sanboot/win2k8_iscsi_install I get far as the drive selection screen ...
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788 views

Does Tiered Storage in Microsoft Windows Server 2012 work with Microsoft Software ISCSI Target

I am trying to build a storage machine for my home network, but I'm running into an issue with understanding how certain things work behind the scenes. I am hoping to set up a tiered storage system ...
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557 views

Diagnosing iSCSI bottleneck

I just got my hands on a few DL380 G5s, and I thought I would use them in my home lab to test out the creation of a Hyper-V cluster using an iSCSI storage setup. I have installed Server 2012 R2 on all ...
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190 views

Creating Symlinks from a iSCSI-Volume to a Fileserver

my fileserver is near capacity limit (using Windows 2012) und full of files, that hasn't been used for years, but still need to be kept for researches in the future. Furthermore the unused and ...
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2k views

Wildcard IP addresses for an iSCSI target initiator-address doesn’t seem to work on CentOS 6

In /etc/tgt/targets.conf wildcard (172.16.2.*) not work with initiator-address. I'm preparing for Red Hat High Availability Clustering exam (EX436). The student workbook says: With tgtadm command, ...
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2k views

What is the maximum SCSI LUN size?

What is the maximum size of single (i)SCSI LUN from perspective of SCSI protocol, what is the limit?
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1k views

Programs having trouble connecting to internet resources

I am running Windows 8. Recently, a bunch of my programs such as GitHub for Windows, WebStorm, Chrome, etc.. stopped being able to use internet resources. Many say, that there me bay a firewall or ...
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56 views

Network storage and backup [closed]

I had a MS 2003 server on my home LAN as an AD DC (inc DNS). It's main purpose was to share files (photos, music, family docs etc) and to act as a backup facility for the desktops. laptops on the LAN. ...
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898 views

Strange tgtd behavior: Multiple instances?

I'm trying to add a LUN to a running iSCSI target under CentOS 6.5. The iSCSI target is tgtd from the scsi-target-utils package. I'm seeing some pretty weird behavior and I’m a bit of a loss as to how ...
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2k views

Attach Cloud Storage as External Drive to Windows

I am looking to use a Cloud Storage provider as an attached drive on Windows Server 2008, kind of like an iSCSI storage device. I downloaded Google Drive which created a new folder on my system, but ...
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147 views

Issues with connection to portal after IP change of Target

After changing the static ip of my Linux hosted iSCSI target I cannot connect anymore using the windows iSCSI initiator. I can ping both ways, all firewalls are off for troubleshooting and I restarted ...
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104 views

how it is different to use an iSCSI-connected disk than for example an SMB file share?

How it is different to use an iSCSI-connected disk than for example an SMB file share? Also what kind of use an iSCSI-connected disk is good for and what are the examples in which situations an SMB ...
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8k views

ccboot iSCSI not supported on client

I'm trying to implement some thin clients and I've tried openthinclient, but I don't know how to make the client boot to Win XP. I can only boot to OpenThinClientOS. So I tried another thin client ...
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7k views

fsck.ext4 unable to resolve UUID

While connecting remote iscsi storage I was getting above error. This is the configuration of my iscsi server(target) cat /etc/tgt/targets.conf tgtd service is running in server side. My client (...
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530 views

Windows fails to detect file system on Linux CD-ROM iSCSI Target

I'm attempting to mount the CD-ROM drive on a machine running Linux to a machine running Windows 8 via iSCSI. tgtd is configured on the Linux machine and the Windows iSCSI Initiator succesfully ...
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891 views

Am I likely to encounter data loss when using ZFS send to copy a pool to a server without ECC memory?

I have an OmniOS file server with a ZFS raidz2 array that I want to back up to another machine over gigabit ethernet. The other machine is a Linux (Ubuntu 12.04) system with non-ecc RAM connected to a ...
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233 views

Booting multiple Windows 7 from same image and then applying correct CD key

I'm planning to connect 21 Windows 7 computers (OEM) to a central server with iSCSI, and then boot all computers from the same "image". The problem is the CD key. I have 21 valid OEM keys with valid ...