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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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. ...
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715 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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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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185 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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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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286 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 ...
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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 ...
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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 ...
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144 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 ...
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223 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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Why iscsi volumes mapping to linux device always changes when adding new volumes?

All, I found every time when I create a new volume on iSCSI storage and restart iscsi on my linux host (to discover this new volume), the mapping of previous iSCSI volumes to linux device names of ...
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57 views

Missing the /iscsi path in targetcli

I am running Ubuntu 15.10 cloud image on OpenStack and I am having an issue with targetcli. I need to configure an iscsi target, but the /iscsi directory is missing. $ sudo targetcli /iscsi info No ...
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iscsi connections not appearing as local device

I'm attempting to connect to an AccuRAID AR316IR from Ubuntu 14.04. I've run the following commands: root@BSPRDLNX02:/etc/iscsi# iscsiadm -m discovery -t sendtargets -p 192.168.10.71 ...
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46 views

How to mount a “Microsoft Data Protection Manager (DPM)” volume image in Linux?

I have MS DPM on an ISCSI lun. ISCSI is not starting so I want to mount it and backup the data. The lun just appears like a 11 TB file. If this was NTFS or VMFS on that LUN, I could use kpartx to ...
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222 views

Best iSCSI Target for Ubuntu 15.04

What is preferred service for iSCSI target on Ubuntu Server 15.04 ? Most tutorial shows IET but isn't outdated server ? There is also LinuxIO and SCST, but what is Ubuntu 'recommended' ?
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33 views

Server 14.04 LTS

I use 14.04 LTS server with latest updates, did all as written here: iscsi_trgt missing because can't build kernel module with same problem, installed all 3 packets as Clausi sad and it helped me ...
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106 views

iscsi drive not connecting at boot - breaks ordering cycle

Not sure if this is allowed, but I mounted an iscsi drive, encrypted it with LUKS, added LVM on top, and mounted it. Now I am trying to mount it as any other drive on boot, but it doesn't come up. ...
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187 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 ...