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    Continuous replication fails every time

    Xen Orchestra
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    • julien-f
      julien-f Vates 🪐 Co-Founder🦸 XO Team 🔭 last edited by

      @LPJon Like all settings from config.toml and sample.config.toml, you can override it in your user config (probably /etc/xo-server/config.toml?):

      guessVhdSizeOnImport = false
      LPJon 1 Reply Last reply Reply Quote 0
      • LPJon
        LPJon @julien-f last edited by

        @julien-f Ok....thanks Olivier and Julien. Changing that setting in that way had no effect on the issue. You have any idea what would cause this from one version to the other. XCP-ng is version 7.5 with a second local storage repository.

        1 Reply Last reply Reply Quote 0
        • rizaemet 0
          rizaemet 0 last edited by

          Hello,
          I experience this problem with CR job. xo-server 5.51.1
          I revent xo-server 5.50.1. No problem with this version.

          I found these errors in xensource.log. maybe not related:

          Importing raw VDI R:55902cfbe5b0|vhd_tool_wrapper] vhd-tool failed, returning VDI_IO_ERROR
vhd-tool output: vhd-tool: Non-zero size required (either a pre-existing destination file or specified via --destination-size on the command line)

          and this:

          xapi: [error|XenServer-08|12899 INET :::80|Importing raw VDI R:55902cfbe5b0|import] Caught exception: VDI_IO_ERROR: [ Device I/O errors ]
xapi: [debug|XenServer-08|12899 INET :::80|Importing raw VDI R:55902cfbe5b0|taskhelper] the status of R:55902cfbe5b0 is failure; cannot set it to `failure
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] Importing raw VDI R:55902cfbe5b0 failed with exception Server_error(VDI_IO_ERROR, [ Device I/O errors ])
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] Raised Server_error(VDI_IO_ERROR, [ Device I/O errors ])
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] 1/12 xapi @ XenServer-08 Raised at file ocaml/xapi/vhd_tool_wrapper.ml, line 59
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] 2/12 xapi @ XenServer-08 Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 24
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] 3/12 xapi @ XenServer-08 Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 35
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] 4/12 xapi @ XenServer-08 Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 24
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] 5/12 xapi @ XenServer-08 Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 35
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] 6/12 xapi @ XenServer-08 Called from file ocaml/xapi/import_raw_vdi.ml, line 81
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] 7/12 xapi @ XenServer-08 Called from file ocaml/xapi/import_raw_vdi.ml, line 105
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] 8/12 xapi @ XenServer-08 Called from file ocaml/xapi/server_helpers.ml, line 80
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] 9/12 xapi @ XenServer-08 Called from file ocaml/xapi/server_helpers.ml, line 99
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] 10/12 xapi @ XenServer-08 Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 24
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] 11/12 xapi @ XenServer-08 Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 35
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace] 12/12 xapi @ XenServer-08 Called from file lib/backtrace.ml, line 177
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|backtrace]
xapi: [debug|XenServer-08|13023 UNIX /var/lib/xcp/xapi||dummytaskhelper] task dispatch:session.logout D:8800126a89c1 created by task D:8f42c874d788
xapi: [ info|XenServer-08|13023 UNIX /var/lib/xcp/xapi|session.logout D:04108f92fdfe|xapi] Session.destroy trackid=4319d4a602955613971f7a77e5c9e8cf
xapi: [debug|XenServer-08|640 |xapi events D:0b0842fbd22a|xenops] Event on VM 20192c0a-8918-4e11-8e80-1ac10ff145d1; resident_here = true
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:8f42c874d788|import] Caught exception in import handler: VDI_IO_ERROR: [ Device I/O errors ]
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:9903e89b7f74|backtrace] VDI.import D:8f42c874d788 failed with exception Unix.Unix_error(Unix.EPIPE, "single_write", "")
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:9903e89b7f74|backtrace] Raised Unix.Unix_error(Unix.EPIPE, "single_write", "")
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:9903e89b7f74|backtrace] 1/9 xapi @ XenServer-08 Raised at file unix.ml, line 326
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:9903e89b7f74|backtrace] 2/9 xapi @ XenServer-08 Called from file lib/xapi-stdext-unix/unixext.ml, line 463
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:9903e89b7f74|backtrace] 3/9 xapi @ XenServer-08 Called from file lib/xapi-stdext-unix/unixext.ml, line 465
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:9903e89b7f74|backtrace] 4/9 xapi @ XenServer-08 Called from file ocaml/xapi/import_raw_vdi.ml, line 141
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:9903e89b7f74|backtrace] 5/9 xapi @ XenServer-08 Called from file ocaml/xapi/server_helpers.ml, line 80
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:9903e89b7f74|backtrace] 6/9 xapi @ XenServer-08 Called from file ocaml/xapi/server_helpers.ml, line 99
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:9903e89b7f74|backtrace] 7/9 xapi @ XenServer-08 Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 24
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:9903e89b7f74|backtrace] 8/9 xapi @ XenServer-08 Called from file map.ml, line 135
xapi: [debug|XenServer-08|640 |xapi events D:0b0842fbd22a|dummytaskhelper] task timeboxed_rpc D:647b3dd768d7 created by task D:0b0842fbd22a
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:9903e89b7f74|backtrace] 9/9 xapi @ XenServer-08 Called from file sexp_conv.ml, line 148
xapi: [error|XenServer-08|12899 INET :::80|VDI.import D:9903e89b7f74|backtrace]
xapi: [error|XenServer-08|12899 INET :::80||backtrace] VDI.import D:9903e89b7f74 failed with exception Unix.Unix_error(Unix.EPIPE, "single_write", "")
xapi: [error|XenServer-08|12899 INET :::80||backtrace] Raised Unix.Unix_error(Unix.EPIPE, "single_write", "")
xapi: [error|XenServer-08|12899 INET :::80||backtrace] 1/1 xapi @ XenServer-08 Raised at file (Thread 12899 has no backtrace table. Was with_backtraces called?, line 0
xapi: [error|XenServer-08|12899 INET :::80||backtrace]
          txsastre 1 Reply Last reply Reply Quote 0
          • julien-f
            julien-f Vates 🪐 Co-Founder🦸 XO Team 🔭 last edited by

            Could this be related to this: https://github.com/vatesfr/xen-orchestra/issues/4640?

            BluejacketScott created this issue in vatesfr/xen-orchestra

            closed XO From source restore backup fails with VDI_IO_ERROR #4640

            1 Reply Last reply Reply Quote 0
            • txsastre
              txsastre @rizaemet 0 last edited by

              @rizaemet-0 could you tell me how have you reverted to 5.50.1 ? thanks

              rizaemet 0 Danp 2 Replies Last reply Reply Quote 0
              • rizaemet 0
                rizaemet 0 @txsastre last edited by rizaemet 0

                @txsastre I'm taking snapshot of XO vm before every update. Simple revent it.

                Because it is from source so I have no support subscription. I recommend this to you.

                txsastre 1 Reply Last reply Reply Quote 1
                • txsastre
                  txsastre @rizaemet 0 last edited by

                  @rizaemet-0 thanks you've got the right. I already doing this, but I didn't know if you uninstalled it and installed a previous version.

                  it was just curiosity. So I'm gonna rollback to a previous snapshot too.

                  Thank you

                  1 Reply Last reply Reply Quote 1
                  • Danp
                    Danp Top contributor 💪 @txsastre last edited by

                    @txsastre I outlined the procedure here --

                    https://xcp-ng.org/forum/post/18974

                    txsastre 1 Reply Last reply Reply Quote 1
                    • txsastre
                      txsastre @Danp last edited by

                      @Danp thanks ! but I have rolled back to a previous version ( 5.50.1) and now I'm testing the backup again.

                      1 Reply Last reply Reply Quote 0
                      • F
                        Fungusware last edited by Fungusware

                        Can any comment on the fact that all of these issues are caused because 'import_raw_vdi' doesn't support Chunked transfers?

                        This used to be fine casuse the loophole that allowed a massive Content-Length has been closed.

                        (here: xapi-project/vhd-tool@f978789#diff-a1476b2332c40710d3f1791146a29aeaL484 ).

                        Regards.

                        0 jonludlam committed to xapi-project/vhd-tool 
                        XSI-19 locate VHD footer based on file size

I order to locate the footer in a VHD file or stream, the total length
of that file or stream must be known. This commit passes it when it is
known. This depends on a corresponding change in the ocaml-vhd library.

Signed-off-by: Christian Lindig <christian.lindig@citrix.com>
                        1 Reply Last reply Reply Quote 0
                        • R
                          RKENS last edited by

                          I saw this note relating to ZFS: It is not yet possible to import, migrate or export a VDI to/from a ZFS SR

                          Could that be why my continuous replication is failing? I'm trying to replicate from one ZFS SR to another on a different server.

                          1 Reply Last reply Reply Quote 0
                          • olivierlambert
                            olivierlambert Vates 🪐 Co-Founder🦸 CEO 🧑‍💼 last edited by

                            No, since few release, ZFS should support all operations.

                            1 Reply Last reply Reply Quote 0
                            • R
                              RKENS last edited by

                              That's too bad. I don't see where anyone really had any solution.

                              1 Reply Last reply Reply Quote 0
                              • olivierlambert
                                olivierlambert Vates 🪐 Co-Founder🦸 CEO 🧑‍💼 last edited by

                                Your CR issue might be related to a XO bug on master, not too a XCP-ng issue 😉

                                1 Reply Last reply Reply Quote 0
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