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    Does FOG work with iSCSI?

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    • ManofValorM
      ManofValor
      last edited by

      Curious, why do I have two of the same sd’s, sdb and sdc? I was going to partition one, I guess it doesn’t matter but just wondering.

      [root@localhost images]# dmesg | grep sd
      [    4.849861] sd 1:0:0:0: [sda] 976707632 512-byte logical blocks: (500 GB/465 GiB)
      [    4.850038] sd 1:0:0:0: [sda] Write Protect is off
      [    4.850041] sd 1:0:0:0: [sda] Mode Sense: 6b 00 00 08
      [    4.850145] sd 1:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
      [    4.854445]  sda: sda1 sda2 sda3 sda4 < sda5 sda6 >
      [    4.855586] sd 1:0:0:0: [sda] Attached SCSI disk
      [    8.932316] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
      [   10.314292] sd 1:0:0:0: Attached scsi generic sg0 type 0
      [   12.148400] EXT4-fs (sda5): mounted filesystem with ordered data mode. Opts: (null)
      [   18.889193] talpa-vfshook: nfsd is on the skip list, not patching
      [   25.390122] sd 5:0:0:0: Attached scsi generic sg3 type 0
      [   25.391593] sd 5:0:0:0: [sdb] Very big device. Trying to use READ CAPACITY(16).
      [   25.391837] sd 5:0:0:0: [sdb] 17488150528 512-byte logical blocks: (8.95 TB/8.14 TiB)
      [   25.392079] sd 5:0:0:0: [sdb] Write Protect is off
      [   25.392083] sd 5:0:0:0: [sdb] Mode Sense: 77 00 00 08
      [   25.392599] sd 5:0:0:0: [sdb] Write cache: disabled, read cache: disabled, doesn't support DPO or FUA
      [   25.393716] sd 5:0:0:0: [sdb] Very big device. Trying to use READ CAPACITY(16).
      [   25.420711]  sdb: unknown partition table
      [   25.421463] sd 5:0:0:0: [sdb] Very big device. Trying to use READ CAPACITY(16).
      [   25.423684] sd 5:0:0:0: [sdb] Attached SCSI disk
      [   25.464766] sd 6:0:0:0: Attached scsi generic sg4 type 0
      [   25.466368] sd 6:0:0:0: [sdc] Very big device. Trying to use READ CAPACITY(16).
      [   25.466836] sd 6:0:0:0: [sdc] 17488150528 512-byte logical blocks: (8.95 TB/8.14 TiB)
      [   25.467369] sd 6:0:0:0: [sdc] Write Protect is off
      [   25.467373] sd 6:0:0:0: [sdc] Mode Sense: 77 00 00 08
      [   25.468057] sd 6:0:0:0: [sdc] Write cache: disabled, read cache: disabled, doesn't support DPO or FUA
      [   25.468843] sd 6:0:0:0: [sdc] Very big device. Trying to use READ CAPACITY(16).
      [   25.474337]  sdc: unknown partition table
      [   25.475430] sd 6:0:0:0: [sdc] Very big device. Trying to use READ CAPACITY(16).
      [   25.476647] sd 6:0:0:0: [sdc] Attached SCSI disk
      [10997.260848] nfsd: last server has exited, flushing export cache
      
      1 Reply Last reply Reply Quote 0
      • ManofValorM
        ManofValor
        last edited by

        I’m not sure I quite understand this message during the FOG install/update. Am I supposed to add those two lines to the .fogsettings file, cause I don’t see them in there? If so, does it matter where it goes?

         ########################################################################################
           FOG has adjusted to using a login system to protect what can/cannot be downloaded
           We have detected that you don't have credentials defined to perform the backup
           If you would like the database to be backed up during install please define
           in your /opt/fog/.fogsettings file
        
           fogguiuser='usernameOfFOGGUI'
           fogguipass='passwordOfFOGGUIUser'
        
           You can also re-run this installer as:
        
           fogguiuser='usernameOfFOGGUI' fogguipass='passwordOfFOGGUIUser' ./installfog.sh -y
        ########################################################################################
        

        Also, I believe I’ve got the iSCSI mounted right and ready to try an image.

        # /etc/fstab
        # Created by anaconda on Thu Feb 18 14:47:41 2016
        #
        # Accessible filesystems, by reference, are maintained under '/dev/disk'
        # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
        #
        /dev/mapper/centos00-root00 /                       ext4    defaults        1 1
        UUID=31117e50-bdd0-446a-8527-e08cebd24684 /boot                   ext4    defaults        1 2
        /dev/mapper/fog-opt_fog_images /opt                    ext4    defaults        1 2
        /dev/mapper/centos00-swap swap                    swap    defaults        0 0
        /opt/fog/images /images bind bind 0 0
        /dev/sdb1 /opt/fog/images 
        
        [root@localhost bin]# df -H
        Filesystem                      Size  Used Avail Use% Mounted on
        /dev/mapper/centos00-root00      22G  7.4G   13G  37% /
        devtmpfs                        2.0G     0  2.0G   0% /dev
        tmpfs                           2.0G  6.6M  2.0G   1% /dev/shm
        tmpfs                           2.0G  9.4M  2.0G   1% /run
        tmpfs                           2.0G     0  2.0G   0% /sys/fs/cgroup
        /dev/sda5                       1.1G  308M  639M  33% /boot
        /dev/mapper/fog-opt_fog_images  424G  240G  163G  60% /opt
        /dev/sdb1                       8.9T   95M  8.5T   1% /images
        tmpfs                           397M  8.2k  397M   1% /run/user/1000
        tmpfs                           397M     0  397M   0% /run/user/0
        
        [root@localhost bin]# ls /opt/fog/images -a
        .  ..  dev  lost+found  .mntcheck  postdownloadscripts
        [root@localhost bin]# ls /opt/fog/images/dev -a
        .  ..  .mntcheck
        
        Tom ElliottT 1 Reply Last reply Reply Quote 0
        • Tom ElliottT
          Tom Elliott @ManofValor
          last edited by

          @ManofValor I think you are almost there.

          Last bit, I’d do if I were you.

          Make sure permissions are proper.

          Run: chmod =R 777 /images

          Then run her up and see how it goes.

          Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

          Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

          Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

          ManofValorM 1 Reply Last reply Reply Quote 0
          • ManofValorM
            ManofValor @Tom Elliott
            last edited by

            @Tom-Elliott Awesome thanks. What about the first question, the FOG update one?

            Wayne WorkmanW 1 Reply Last reply Reply Quote 0
            • Wayne WorkmanW
              Wayne Workman @ManofValor
              last edited by Wayne Workman

              @ManofValor said in Does FOG work with iSCSI?:

              @Tom-Elliott Awesome thanks. What about the first question, the FOG update one?

              It’s not critical, but for backups to automatically happen when you re-run the installer or update, you need those fields inside of /opt/fog/.fogsettings just like it says. All you’d do is just add them, just as it says.

              Also, the command Tom gave has a typo. He was probably on cellular.

              It’s chmod -R 777 /images

              Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!
              Daily Clean Installation Results:
              https://fogtesting.fogproject.us/
              FOG Reporting:
              https://fog-external-reporting-results.fogproject.us/

              ManofValorM 1 Reply Last reply Reply Quote 0
              • ManofValorM
                ManofValor @Wayne Workman
                last edited by

                @Wayne-Workman said in Does FOG work with iSCSI?:

                It’s not critical, but for backups to automatically happen when you re-run the installer or update, you need those fields inside of /opt/fog/.fogsettings just like it says. All you’d do is just add them, just as it says.

                Ok, thanks.

                Also, the command Tom gave has a typo. He was probably on cellular.

                It’s chmod -R 777 /images

                Yeah I caught that. See I’m learning something…lol.

                1 Reply Last reply Reply Quote 0
                • ManofValorM
                  ManofValor
                  last edited by

                  Also, I’m still getting this error when clicking on the FOG Configuration in fog management.

                  Not Found

                  The requested URL /static/index.html was not found on this server.

                  Wayne WorkmanW 1 Reply Last reply Reply Quote 0
                  • Wayne WorkmanW
                    Wayne Workman @ManofValor
                    last edited by

                    @ManofValor you could try blasting everything in /var/www except the html directory, and the blast everything inside of /var/www/html directory, and then re-run the installer.

                    Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!
                    Daily Clean Installation Results:
                    https://fogtesting.fogproject.us/
                    FOG Reporting:
                    https://fog-external-reporting-results.fogproject.us/

                    ManofValorM 1 Reply Last reply Reply Quote 0
                    • ManofValorM
                      ManofValor @Wayne Workman
                      last edited by

                      @Wayne-Workman When you say blast I assume you mean delete? Just making sure its not another term or something…lol.

                      Wayne WorkmanW 1 Reply Last reply Reply Quote 0
                      • Wayne WorkmanW
                        Wayne Workman @ManofValor
                        last edited by

                        @ManofValor yes. Blast sounds so much more exciting than delete.

                        rm -rf NameOfFileOrDirectory

                        Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!
                        Daily Clean Installation Results:
                        https://fogtesting.fogproject.us/
                        FOG Reporting:
                        https://fog-external-reporting-results.fogproject.us/

                        ManofValorM 2 Replies Last reply Reply Quote 0
                        • ManofValorM
                          ManofValor @Wayne Workman
                          last edited by

                          @Wayne-Workman Haha, I agree.

                          ManofValorM 1 Reply Last reply Reply Quote 0
                          • ManofValorM
                            ManofValor @ManofValor
                            last edited by

                            This post is deleted!
                            1 Reply Last reply Reply Quote 0
                            • ManofValorM
                              ManofValor @Wayne Workman
                              last edited by

                              @Wayne-Workman Still the same error.

                              Wayne WorkmanW 1 Reply Last reply Reply Quote 0
                              • Wayne WorkmanW
                                Wayne Workman @ManofValor
                                last edited by

                                @ManofValor I have no earthy idea why that page is being requested then. If you have time to do a TeamViewer session I can try to figure out why.

                                Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!
                                Daily Clean Installation Results:
                                https://fogtesting.fogproject.us/
                                FOG Reporting:
                                https://fog-external-reporting-results.fogproject.us/

                                ManofValorM 1 Reply Last reply Reply Quote 0
                                • ManofValorM
                                  ManofValor @Wayne Workman
                                  last edited by

                                  @Wayne-Workman Ok, check your PM.

                                  1 Reply Last reply Reply Quote 0
                                  • ManofValorM
                                    ManofValor
                                    last edited by

                                    OK, so I started to image and got this:

                                    0_1465506334288_upload-233a09f6-a373-411f-b3f4-54fde2194ea4

                                    Tried to Google but no luck.

                                    1 Reply Last reply Reply Quote 0
                                    • ManofValorM
                                      ManofValor
                                      last edited by

                                      Got a strange thing happening. I’m on my Win7 machine, my usual work space, when I go to FOG management and storage node the password is the same as my login. When I look at it from my FOG server it’s the usual randomly generated password. When I try to update it back to random password it won’t change. The password under .fogsettings is the random password. What am I missing?

                                      Q 1 Reply Last reply Reply Quote 0
                                      • Q
                                        Quazz Moderator @ManofValor
                                        last edited by

                                        @ManofValor This is detailed on the wiki, it’s because of the browser auto fill feature. Turn it off for fog website.

                                        ManofValorM 1 Reply Last reply Reply Quote 2
                                        • ManofValorM
                                          ManofValor @Quazz
                                          last edited by

                                          @Quazz Thanks, that worked.

                                          1 Reply Last reply Reply Quote 0
                                          • Wayne WorkmanW
                                            Wayne Workman
                                            last edited by Wayne Workman

                                            I remoted in with TeamViewer and figured out why it was redirecting to that /static/index.html page.

                                            There were two nodes configured (incorrect in this particular scenario), one pointing to the fog server, another to the iSCSI device’s IP.

                                            So, in FOG Configuration, it’s written to report the kernel and other info on all attached nodes. A web query was being made to that second (incorrect) storage node, and the NAS was redirecting to the aforementioned page.

                                            Since iSCSI is a block device, and mounts like a local HDD, the secondary node was incorrect.

                                            After deleting that incorrect node, all started working fine, and the main server which has the iSCSI device mounted as a local HDD is correctly displaying the available space on the dashboard so all should be fine now.

                                            Tom had hinted at this, and that’s what I was looking for. Storage Management was literally the last place I looked for problems (of course). I actually ran a WireShark capture during the redirect and figured out the server was talking to the iSCSI device’'s IP via port 80, and that led me to find the issue.

                                            Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!
                                            Daily Clean Installation Results:
                                            https://fogtesting.fogproject.us/
                                            FOG Reporting:
                                            https://fog-external-reporting-results.fogproject.us/

                                            1 Reply Last reply Reply Quote 2
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