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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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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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28 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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36 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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15 views

Can't I acess /dev/nbdX(qemu device) via iSCSI?

I know if I create logical volume, it must be ok to read/write via iSCSI. But I wanna try acess qemu nbd device. I create a qcow2 and mount on /dev/nbd0, and fdisk /dev/nbd0 -l shows: Disk /dev/nbd0:...
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54 views

setting custom name/alias for multipath devices without /etc/multipath.conf?

I need to create a multipath configuration for testing purposes in a script, but I would like to use specific names with some prefix for the devices that gets created - so I can easily filter the ...
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20 views

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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21 views

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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114 views

Windows iSCSI target / initiator - copy files up to 1GB/s

I have 2 windows servers, 1 application server as iSCSI initiator and 1 file server as recepint (aka iSCSI target). They are connected through MPIO setup. I copied 150GB files and it takes only ...
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1answer
133 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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216 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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51 views

Microsoft MPIO slow

I have Asus F1A75V_PRO desktop with 4 network card tp link TL-3269 as file server, as iscsi target. The desktop has 32GB fyi. OS is windows 2012 R2. The mother board has build in network interface and ...
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82 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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135 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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29 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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239 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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1answer
298 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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78 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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98 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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1answer
136 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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403 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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2k 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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194 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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2answers
644 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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401 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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140 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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1answer
1k 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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1k 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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704 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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1answer
50 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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1answer
668 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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2answers
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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126 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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94 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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1answer
6k 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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1answer
5k 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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477 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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1answer
789 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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1answer
226 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 ...
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984 views

Windows 7 Home Premium recovering from iSCSI target?

I have a notebook with Windows7 Home Premium which unable to backup to a network drive, but can use an iSCSI device. For backup... :( But... Is there any way to restore my system from the backup was ...
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1answer
227 views

Making very large file systems in windows with multiple RAID volumes

I have an ipSAN that supports 64 3Tb Hard drives. The SAN limits the volume size of each RAID to be 16HDD's Per volume(16+1 for RAID5). I must split my total HDD space in to 4 volumes. I have a ...
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1k views

vmware host stuck after adding a virtual drive to client

I use ESXi 5.0 I created a virtual (400GB) drive (located on an iSCSI mapped drive), and tried to add it to a specific client on the host. The task has stopped at 11%. After over an hour, it seems ...
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1answer
252 views

Unmount iscsi volume from bash script

Plan: I want to unmount an iscsi volume on my OS X Desktop in a script only if it's mounted. So far, I've identified the disk as disk4s2 with: diskutil list | grep 'V-Movies' | rev | cut -c1-7 | rev....
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1answer
1k views

Performance of iSCSI devices

I am toying around with the idea to use my 2009 Mac Mini as a server. For performance and reliability reasons, I guess I would want to replace its HDD with a SSD. In order to have some disk space ...
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1answer
285 views

Equallogic two subnet's iscsi conection

I buy one Dell Equallogic PS 6010, and don't buy fiber switch. There are 3 servers, a domain controler with other financial software and yet another with sql server and IIS. The DC and SQL server is ...
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2answers
1k views

Can I mount a volume that is targeted by iSCSI in Linux?

I have a GPT NTFS volume that I have targeted by iSCSI. I need it to be a drive on my Windows machine AND access the information simultaneously in Linux. Is this possible? I can do some kind of ...
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1answer
884 views

iscsitarget for linux, mounting on windows

I have an issue with iscsitarget, I feel I finally got it working, but when I mount the drives on my various windows machines, they seem to keep theire own folder structure. example: one computer1, ...
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1answer
3k views

hosting iscsi on smartos

I am trying to get back into the unix game for some storage projects we have got going. We would love to use joyents smartos (based on illumos) for that. Working with it is a real joy (setting up vms ...
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2answers
813 views

Fibre Channel, HBAs, iSCSI, general IT knowledge?

I am looking between two options, a pair of Emulex LPe1150-E cards or a pair of Dell XR997 cards. What I'm looking to do: I have a RAID6 array with an NTFS volume on an Areca card. I have my i5-...
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1answer
968 views

using ZFS and local hard drives as a cache for a remote iSCSI SAN

This is purely theoretical idea, i dont plan on doing this any time soon, but could you use Local hard drives as a kind of Cache to remote drives stored on Amazon EC2, shared to a user via iSCSI? The ...
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1answer
16k views

Why do I need to reactivate my dynamic disk after a reboot?

I have added a dynamic disk to a W2K3 machine. It is correctly connected and displayed in the iScsi Initiator and correctly binded. However, I need to reactivate it in the Manage disks console after ...