Debian Configuration :: ISCSI Connection - Attach To The ISCSI LUN
Jun 24, 2010
I have never done this before but stood up a new Debian (testing) x64 system. It only has 146GB available for RAID1 so I created a 500GB iSCSI LUN on my NAS device on the network and am really confused how I can attach my Debian to the iSCSI LUN I created. Right now the OS is installed all locally on the machine but I would like the iSCSI LUN to be the /home directory for mail storage. Is this possible or do I need to mount the LUN to a newly created folder / mount point that is locally attached?
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Feb 18, 2010
want to create a iSCSI connection which mounts /home directory to a share on my NAS via iSCSI. Does anyone know if this is possible on a RHEL 5.4 machine? I am building the server from scratch and then creating the iSCSI mount point in /etc/fstab. After the /home directory is mounted on the mail server, I will copy all the mailboxes over to the /home directory via iSCSI.
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Mar 16, 2016
I have just set up a high available San with 2 nodes which run on debian 7.
Replication and high disponibility works fine but i have some problem with iscsi.
I have create on 2 windows server 2012 1 iscsi iniator on each, my problem is when i create a file or a directory on one server, I have to put the hard drive offline then online and the change appear but it's not really useful.
So i would like to know if there is a way to automatically do this.
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May 23, 2015
I am still extremely green, but I have been able to add my Debian Wheezy server to my Windows domain and I am able to connect to my Windows file server iSCSI target, but it does not re-connect at system startup. The nodes are set to startup automatically and are in my fstab by UUID. However, checkin dmesg as well as the syslog shows that iSCSI doesn't attempt to initiate a connection at boot.
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Feb 11, 2010
I seem to get logged into the NetApp filer fine - it shows the session, but I don't get a device. And don't panic - the system is CentOS 5.4, but the system is named OpenVMS (don't ask . . . ) iscsiadm shows me logged into the NetApp and the session is up.
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Feb 21, 2011
I have an iSCSI target on my Ubuntu 10.04 LTS server that is giving me access to 3 x 2TB volumes. I am using LVM to create 1 big volume and using it as a place for my backup software to write to. Upon initial setup I tested to see if the connection would still be there after a reboot, and it was. After going through the trouble of configuring my backup software (ZManda) and doing a few very large backups I had to reboot my SAN (OpenFiler) for hardware reasons. I took my server down while performing the maintenance and brought it back up only after the SAN work was done. Now, the LVM volume is listed as "not found" when booting.
Using iscsiadm I can see the target but LVM doesn't know of any volumes that exist using those targets. I need to get it back up and running and then troubleshoot the reboot issue.
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Jan 28, 2010
iscsi-client OS: SLES10SP3i586I configured this sles10sp3 box an iscsi-client via YaST (yast2 iscsi-client), but 'lsscsi' or 'fdisk -l' doesnt show any iscsi-disk
# rcopen-iscsi restart
Closing all iSCSI connections: Logging out of session [sid: 1, target: iqn.2010-03.com.ibm:sn.135026430, portal: 192.168.0.1,3260]
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Jul 19, 2010
I'm trying to increase the size of an iSCSI device. On the LUN side, the provision size has been expanded already. I expanded the size of this device from 15GB to 30GB.
I then rescanned the devices:
[root@ps-dev-nfs ~]# iscsiadm -m node --targetname iqn.2001-05.com.equallogic:0-8a0906-db7938c02-c6a994bda8a4a773-ps-dev-nfs -R
Rescanning session [sid: 1, target: iqn.2001-05.com.equallogic:0-8a0906-db7938c02-c6a994bda8a4a773-ps-dev-nfs, portal: 10.3.2.10,3260]
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Mar 10, 2010
I've been trying to figure out how to set up a partition on my CentOS serve r as an iscsi target, so I can access it from another CentOS client.I've been reading the manuals and various pages on the web, and nothing is very clear. I just want to be able to create a partition on my server, define it as a target, and then have my client initiator mount it.
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Jan 12, 2010
i have installed centOS5. i want to configure iscsitarget. i know that iscsi target is built-in in centOS5. how can i use iscsiadm utility to configure iscsi target. please describe in detailed.
1.) i want to make 4 drives (4Drives OR 4LUNs)in iscsi target each with 5GB space.
2.) please describe and highlight where we mention disk space(5GB)
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Nov 15, 2010
I have an iSCSI device that is large, ~17TB usable, and I've created an XFS file system at the device level. I mount the device no problem and am able to touch and remove files without issue. I start my application and within about 5-10 minutes I start seeing the following entries appear in /var/log/messages
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Mar 3, 2010
I want to install iscsi-target package in opensuse 11.1.
Step 1:
linux-7bvl:~ # zypper search iscsitarget
Loading repository data...
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Aug 17, 2010
I'm running 10.04 64-bit diskless on ESXi, installed as a minimal virtual machine. I want this server to access an iSCSI drive. The machine can view the iSCSI shares with iscsiadm, and can even log into the drive. When I do an iSCSI login, this appears in /var/log/messages:
Aug 17 11:08:21 ubuntutest kernel: [1123295.329972] scsi4 : iSCSI Initiator over TCP/IP
So, it appears that open-iSCSI is working correctly. But no new /dev/sd* nodes appear, and nothing new appears in /dev/disk/by-path. I'd expect to see /dev/disk/by-path/ip-XXXXXXXXX. fdisk -l shows nothing but the boot drive. My guess is that the "minimal kernel" doesn't include some necessary module or driver.
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Oct 19, 2010
I am currently wanting to connect to an NAS unit that I have. I have installed open-iSCSI and have made the following changes to the iscsi_conf file:
Quote:
# To set a CHAP username and password for initiator
# authentication by the target(s), uncomment the following lines:
node.session.auth.username = "user"
node.session.auth.password = "12 digit pass"
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My goal is to get the iSCSI initiator to connect after a reboot. Mounting after connecting I am sure this will be another challenge.
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Nov 8, 2010
connecting to my QNAP iSCSI target from Ubuntu (10.04). I've followed the instructions in the QNAP manual, but I something goes wrong when I need to list the nodes. When I enter
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Dec 24, 2010
On windows I installed the iscsi initiator which tells me my pc id. Then I take that id and put it in my storage which automatically gives me my extra disk. How can I find out the id assigned to my ubuntu pc?
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Feb 15, 2011
I have used open-iscsi for a couple of years on fedora and oracle linux, but since I use ubuntu for my desktop, web servers and mysql servers I thought I would be nice to do so on our new MySQL-server which should be connected to our Qlogic SAN. The installation went well after figuring out how to put two network cards on the same network, which seems to be the Qlogic way to do multipath. But I cannot make open-iscsi to log on automatically after reboot. Is there something different with open-iscsi on ubuntu?
Everything works if I logon and do:
iscsiadm -m node -l
multipath -v2
And then mount the volumes but if I try to put them in my fstab like:
/dev/MySQLdata/data/var/lib/mysql/ext4_netdev1 2
/dev/MySQLbackup/backup/var/mysqlbackupext4_netdev1 2
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May 3, 2010
I am setting up iSCSI on Oracle Enterprise Linux.
After configuring the iscsi service, the symbolic link iscsi under the /dev folder is not created when the iscsi service is started.
Created the following UNIX shell script /etc/udev/scripts/iscsidev.sh on iscsi client node:
..............................................
#!/bin/sh
# FILE: /etc/udev/scripts/iscsidev.sh
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Mar 7, 2010
I have been trying to learn iSCSI from google but there is one main point that remains unclear. Is iSCSI suitable to move data between IP of [URL] and IP of [URL] rather than between 192.168.xxx.xxx and 192.168.xxx.xxy?
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May 25, 2011
How to connect disks from iSCSI array and from SAN network. I found that it is possible to establish iSCSI on solaris by using COMSTAR [url]
Questions: Could you give me some tutorial how to do this ? I don't have of course SAN network in my home lab and iSCSI array too, is there some way I can simulate this on VBOX or VMWARE ?
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Sep 29, 2009
I have a CentOS 5.3 server, running in a VM. I get the iSCSI session to my Buffalo, but the disk doesn't appear.
Sep 29 09:06:29 qaservice iscsid: iscsid shutting down.
Sep 29 09:06:29 qaservice kernel: Loading iSCSI transport class v2.0-871.
Sep 29 09:06:29 qaservice kernel: iscsi: registered transport (tcp)
Sep 29 09:06:29 qaservice kernel: iscsi: registered transport (iser)
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Apr 30, 2011
Linux 2.6.18-238.9.1.el5
Apache 2.2.3
MySql 5.0.77
PHP 5.3.3
Samba 3.5.4-0.70.el5_6.1
Problem: my server eats up all the memory in the box after a few days. My guess is it has something to do with these processes:
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Jun 20, 2009
was able to install iSCSI target via yum, configured a couple of target LUNs, in fact all the same steps that worked on Fedora 10 appeared identical. However, when I try to start the service the following happens.
[root@Server01 ~]# service iscsi-target start
Starting iSCSI target service: FATAL: Error inserting crc32c_intel (/lib/modules/2.6.29.4-167.fc11.i686.PAE/kernel/arch/x86/crypto/crc32c-intel.ko): No such device
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Mar 28, 2011
How I can auto-mount a iSCSI drive into a folder? Because every time I reboot computer, I need to mount it manually.
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Aug 10, 2011
So I've been trying to install to an iSCSI target for the past two weeks and while the installation finishes, booting doesn't work. I get dropped to a shell after boot installation. I have seen some bugs on red hat bugzilla 705213, but don't know how to resolve it. I'm new to Fedora but really want to embrace the distro
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Mar 10, 2011
I am running SuSE 11.3 ( 2.6.34.7-0.7-desktop) on a Dell Laptop I am using an external NAS (QNAP-809pro) that connects to the laptop via iSCSI When my laptop boots I get an error that stops the boot process and gives me the filesystem repair terminal: ther I have to comment out the iSCSI lines from /etc/fstab and reboot normally. This is my fstab with commented-out iscsi mount lines
Code:
/dev/disk/by-id/md-uuid-16c447dd:e92ee13a:7e2f04b9:2688e99d-part5 swap swap defaults 0 0
/dev/disk/by-id/md-uuid-16c447dd:e92ee13a:7e2f04b9:2688e99d-part6 / ext4
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Jan 18, 2011
I have a problem here for which I am unable to find any relevant info on google. I have an openfiler server and another server which is running OEL(redhat5). When i give the following command iscsiadm -m discovery -t sendtargets -p 192.168.2.13it only gives me one line output which is:192.168.2.13:3260,1 iqn.2006-01.com.openfiler:tsn.03821172572cNone of the mapped LUNS gets identified neither it shows me any message that it is connecting. I have setup CHAP in openfiler to accept an incoming user plus gave access to my OEL server.Any feedback is helpful. If you need the contents of /etc/iscsi/iscsid.conf file let me know
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Jul 7, 2011
I am interested in turning my home server into something that I can store backups on. I do photography and therefore have a lot of photos. I use Mac OS X for my photo editing, so it must be accessible from my Macbook. I am new when it comes network storage servers, so what would be the best solution for me to be able to backup my photos seamlessly? I would like it easy enough so others can backup files without any terminal commands and such. What would you suggest? CIFS? RAID? iSCSI?
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Jul 9, 2010
I am running RHEL5.5 its a fresh install and we are testing Xen Virtualization. We are wanting to use our iSCSI SAN for the VMs. I have created the initiator iqn, and discovered the target address. We are connected to the target, but there is no new block device in /dev.
[root@xxxxxxxx etc]# netstat -a | grep iscsi
tcp 0 0 *:iscsi-target *:* LISTEN
tcp 0 0 xxxxx-netapp.okc-:44840 xxxxxx-iscs:iscsi-target ESTABLISHED
tcp 0 0 *:iscsi-target *:* LISTEN
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Sep 3, 2009
I built a CentOS 5 Linux cluster with GFS storage using local RAID volume and share it with gnbd_export/import on two web-servers. Now I need to expand that storage to another servers local volume. I saw the picture in the manual, but I don`t know, how can I create that scheme.
I can use gnbd_export on the second server and gnbd_import on the first. In that case I will have two volumes on the first storage and I can expand volume group, logical volume, etc on it.
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