iSCSI is a protocol to exchange SCSI commands over TCP/IP and by so doing makes it possible to manage storage devices over the network.

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PXE Boot iSCSI wait time

I am deploying a single Laptop via PXE boot over a wired network. It runs perfectly, DHCP connects, TFTP finds and loads config data, scsi sends over the boot partition. Then it pauses for a minute ...
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20 views

nova volume-detach fails silently, compute log shows libvirtError: invalid argument: no target device vdb

Using Openstack Havana, I'm trying to detach a cinder volume from a nova instance. Nova volume-list shows it as in-use: | 34b0ea26-f85c-4b62-8ebd-884b0e63e2d5 | in-use | filestore | 256 | None| ...
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23 views

Configure CHAP login on Solaris 11.2 ISCST target for Win7 / 2003 initiator

Since a few days I try to configure a Solaris 11.2 (x64) ISCSI target to use with the Windows 7 / Windows Server 2003 ISCSI initiator client. I want to use it with a CHAP-name and a 12-character ...
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38 views

iscsi won't start at boot

I am trying to configure iscsi initiator. Everything works accept it won't start at boot. It times out. Once system is up, I am able to manually mount the drive and /etc/init.d/iscsi status says its ...
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40 views

XFS over iSCSI share with Cluster? Will fencing cause data corruption/loss?

I have a Question: when using XFS on iSCSI share, where HA is enabled, nodes may be fenced by cluster. Will this result in Data Loss/Corruption etc ?
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Pacemaker and iSCSi

I currently am trying to make a highly available NAS under debian 7. I am using following packages: drbd8-utils iscsitarget iscsitarget-dkms pacemaker corosync ...
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36 views

How to share a CD drive using ISCSI

I installed an iscsi target in my Linux system. The target itself and the initiators connected to it is getting listed in the terminal. My initiator is a Windows 7 system and in the iedtd.conf file I ...
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435 views

How to expand an iSCSI lun with targetcli on CentOS7?

I have a CentOS 7 machine with iSCSI configured. see ls output from targetcli below. I want to add disk02 to lun0 so that to the iSCSI client can see a total 869.16GB instead of 392.2GB Question: Is ...
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How to see mounting files in target for iscsi?

I am doing iscsi target and initiator, I was mounted files in initiator side using target disk(LUN), so how to see the file or folder in target side?
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62 views

How to map iscsi device to /dev/sdX

I have an initiator (Debian 7) connected to two targets. Each target provide multiple iscsi devices. On the initiator, iscsi devices are mapped randomly to /dev/sdx, for example : target1-iscsi1 ...
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174 views

How to mount multiple iSCSI images too loop

I have to mount iscsi images to loop. Yesterday someone with a similar problem asked that already. The difference is, my iscsi image is splitted into 5 parts. ls -la insgesamt 4718592004 -rw-rw-rw- ...
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42 views

Is it possible to set a whole hard disk(partition) as iscsi target?

till now I defined just image files. But I have a logical partition and I'd like to share it by iscsi. Is it possible or I am limited to single files?
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Suggest me an iscsi server which supports adding a target at runtime

Default iscsitarget requires to restart the whole server after editing the /etc/iet/ietd.conf. This is a problem as if, any iSCSI target is being read/wrote the server restart will make every ...
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3answers
526 views

/dev/disk/by-uuid/ not working on one machine

I have a iSCSI disk which I am mounting from several machines (exclusively, not concurrently). On machine A, I start iscsi service open-iscsi start and the iscsi disk is discovered as /dev/sdb1. ...
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2answers
275 views

Does configuring iscsi target and iscsi initiator in two linux nodes and using ethernet cable for communication make it SAN?

I'm using freeNAS to share an extent via iSCSI to my another Linux box using Ethernet cable. It work as a block storage. So SAN work as a block storage. Now, in my scenario is it working as a NAS or ...
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1answer
876 views

iptables rules for iscsi initiator

I need to configure iptables on my client (iscsi-initiator). From tcpdump, I can see that the server (iscsi target) sends tcp from port 3260. So I have added following iptables rule on my client ...
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2k views

Local disks detected as multipath device

My local partitions are detected as multipath device $multipath -l mpathb (360014380125d90420000a000003e0000) dm-9 HP,HSV450 size=200G features='1 queue_if_no_path' hwhandler='0' wp=rw `-+- ...
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iSCSI on startup

I've configure iSCSI but CentOS 6.3 is unable to recognize if on startup. Here is fstab config: /dev/sdb1 /home ext4 _netdev 0 0 Here is iscsi.conf ...
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1answer
1k views

NFS server causes high load even when idle

I have an Ubuntu (12.04) NFS server that has a high load (larger than 10) even when nothing is running. In detail, the storage is provided by an iSCSI device, on which I have 5 logical volumes (LVM) ...
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2answers
2k views

iSCSI device mapped to different SCSI device

I have an iSCSI disk array connected to a server (Ubuntu). When I login with iscsiadm -m node --login -p 192.168.1.240 the device used to appear as /dev/sdb. I created a volume group with LVM using ...
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2answers
184 views

How to securely export a device (HDD)?

So I have a Scientific Linux 6.3 (RHEL clone so basically the question is Redhat related) machine called "B" (with an extra "A" HDD besides the system HDD) and a notebook with SL 6.3. They are in a ...
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582 views

Install Fedora 17 to iSCSI Target, Boot from iSCSI Target

I have installed Fedora 17 to an iSCSI target by: Booting with the Fedora 17 ISO Chose LiveCD so I could install iscsi-initiator-utils Started the installer Chose iSCSI target from native Fedora ...
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1answer
614 views

Multipath device name doesn't display correctly

I'm playing with iscsi and I'm trying to figure out why the vendor/product names aren't showing up correctly. I've restarted all the appropriate services along with a reboot. Listed below are the ...