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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5
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1answer
925 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) ...
3
votes
2answers
1k 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 ...
2
votes
2answers
162 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 ...
1
vote
1answer
540 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 ...
1
vote
1answer
29 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 ...
1
vote
1answer
15 views

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 ...
1
vote
3answers
315 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. ...
1
vote
2answers
917 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 `-+- ...
1
vote
0answers
148 views

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 ...
1
vote
0answers
547 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 ...
0
votes
2answers
202 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 ...
0
votes
1answer
386 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 ...
0
votes
0answers
27 views
+50

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 ...
0
votes
0answers
9 views

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?
0
votes
0answers
92 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- ...
0
votes
1answer
31 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?