Centralized Secure Storage (iSCSI) – “Initiator Client” Setup on RHEL/CentOS/Fedora – Part III

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28 Responses

  1. Atul says:

    Thank you for the wonderful tutorial, i have a question regarding mount point. I have a LV in target and i would like this to be mounted on the initiator however it tells me its not able to find special device

    Is it possible to mount the lv in above setup?

    • I have a LV in target and i would like this to be mounted on the initiator however it tells me its not able to find special device

      // Okay you have a Logical volume in iSCSI server but you can’t mount without giving that lv to in iSCSI configuration//

      Is it possible to mount the lv in above setup?

      // Have you provided that LV to target server configuration under /etc/tgt/targets.conf ? //

      Then reload target and find the output using tgtadm –mode target –op show

      If above steps done you can’t mount the LUN under initiator.

  2. TDG says:

    I have two host initiators that are connected to one target using one LUN. After the connection is established it gives me on every host (initiator) a disk that I mount to a directory using ext4 file system. When I write some data to the disk that I mounted on each initiator, data is replicated to the target. The problem is that: what I write on one initiator is not seen by the other initiator, but if I umount the disks on initiators and I mount them again data written on one is seen on the other initiator.
    Please suggest.

  3. TDG says:

    Sir I am trying to connect one LUN to more linux clients. I mounted the LUN to one client should i have to run commands from 10 to 16 on second client or is there any single command to connect same LUN to another client? or can i share this LUN with other clients?

  4. Dinesh C says:

    Thanks much…It is very helpful… I have one question here… After mounting the iscsi share permanently by fstab entry… If we want to reboot the client machi, do we need to logout from the targer server??

    • @Dinesh,

      No we don’t need to logout those iSCSI session in any case. Only we need to add the route for those target IP. If the route was not persistent upon reboot it will not connect to Storage.

  5. Tony says:

    This series has been a great help for me. Would it be possible to add multiple NICs to the target and configure multi-path/redundancy/fail-over? Thank you again.

  6. shiv says:

    I m shy to say that.
    I tried my best to configure mail server in 2008. But I am fail.
    one for dns and second for mail server.
    Could any one explain please step by step all configuration till clients side

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