[ovirt-users] can not use iscsi storage type on ovirtandGlusterfshyper-converged environment

Fri Nov 4 09:14:18 UTC 2016

Hi Sahina Bose:
     my envirnment ,the /etc/multipath.conf is edited to blacklist all devices before . Now I change  blaklist to exist physical device ,and multipahd is enabled .  logout the lun block device by manual  , then add iscsi type storage by ovirt UI , the error alse exist , add iscsi storage fail .

    and https://bugzilla.redhat.com/show_bug.cgi?id=1303940   bug  last report time on 2016-09 -15 .    my vdsm install on sep 8:

-rw-r--r--. 1 root root     703032 Sep  8 00:27 vdsm-4.18.13-1.el7.centos.x86_64.rpm
-rw-r--r--. 1 root root      54076 Sep  8 00:25 vdsm-api-4.18.13-1.el7.centos.noarch.rpm
-rw-r--r--. 1 root root      68524 Sep  8 00:26 vdsm-cli-4.18.13-1.el7.centos.noarch.rpm
-rw-r--r--. 1 root root      54580 Sep  8 00:26 vdsm-gluster-4.18.13-1.el7.centos.noarch.rpm
 ovirt version :  0.4.0  

     I  will update  vdsm and ovirt pakages to test . 

    Thanks very much !

------------------ Original ------------------
From:  "Sahina Bose"<sabose at redhat.com>;
Date:  Thu, Nov 3, 2016 05:54 PM
To:  "胡茂荣"<maorong.hu at horebdata.cn>; 
Cc:  "Maor Lipchuk"<mlipchuk at redhat.com>; "Jeff Nelson"<jenelson at redhat.com>; "users"<users at ovirt.org>; 
Subject:  Re: [ovirt-users] can not use iscsi storage type on ovirtandGlusterfshyper-converged environment

A wild guess, not sure if it is related - can you check if multipathd service is enabled. If you set up your oVirt-Gluster hyperconverged environment via gdeploy, multipathd service is disabled and the /etc/multipath.conf is edited to blacklist all devices - this was to fix https://bugzilla.redhat.com/show_bug.cgi?id=1303940

Since you mention you're unable to add iscsi storage only in this environment, thought it's worth checking.

On Thu, Nov 3, 2016 at 6:40 AM, 胡茂荣 <maorong.hu at horebdata.cn> wrote:

     my   environment rpm  are :
 [root at horeba ~]# rpm -q vdsm
vdsm-4.18.13-1.el7.centos.x86_64

[root at horeba ~]# rpm -aq | grep ovirt
ovirt-vmconsole-host-1.0.4-1.el7.centos.noarch
ovirt-imageio-common-0.4.0-1.el7.noarch
ovirt-hosted-engine-setup-2.0.2.2-1.el7.centos.noarch
ovirt-imageio-daemon-0.4.0-1.el7.noarch
ovirt-engine-appliance-4.0-20160928.1.el7.centos.noarch
ovirt-vmconsole-1.0.4-1.el7.centos.noarch
ovirt-host-deploy-1.5.2-1.el7.centos.noarch
ovirt-hosted-engine-ha-2.0.4-1.el7.centos.noarch
ovirt-release40-4.0.4-1.noarch
ovirt-setup-lib-1.0.2-1.el7.centos.noarch
ovirt-engine-sdk-python-3.6.9.1-1.el7.centos.noarch

  and I test if not on ' ovirt and Glusterfs hyper-converged environment ' ,  ovirt WEB UI  add iscsi storage  work ok .

------------------ Original ------------------
From:  "Maor Lipchuk"<mlipchuk at redhat.com>;
Date:  Wed, Nov 2, 2016 07:37 PM
To:  "胡茂荣"<maorong.hu at horebdata.cn>; 
Cc:  "users"<users at ovirt.org>; "Jeff Nelson"<jenelson at redhat.com>; "Nir Soffer"<nsoffer at redhat.com>; 
Subject:  Re: [ovirt-users] can not use iscsi storage type on ovirtandGlusterfs hyper-converged environment

Thanks for the logs,

What kind of VDSM version are you using? 
    "rpm -q vdsm"
There seems to be a similar issue which was reported recently in the VDSM area
 (see https://bugzilla.redhat.com/show_bug.cgi?id=1197292)
It should be fixed in later versions of VDSM vdsm-4.16.12-2.el7ev.x86_64
Adding also Nir and Jeff to the thread, if they have any insights

Regards,
Maor

On Wed, Nov 2, 2016 at 4:11 AM, 胡茂荣 <maorong.hu at horebdata.cn> wrote:

 Hi Maor:
      vdsm/supervdsm/engine log on attachment .  I mkfs.xfs the lun block device and mount to /mnt , dd write  ,dmesg not report error ,dd result is ok :

/dev/sdi                      50G   33M   50G   1% /mnt 

[root at horebc mnt]# for i in `seq 3`; do dd if=/dev/zero of=./file   bs=1G count=1 oflag=direct ; done
1+0 records in
1+0 records out
1073741824 bytes (1.1 GB) copied, 13.3232 s, 80.6 MB/s
1+0 records in
1+0 records out
1073741824 bytes (1.1 GB) copied, 9.89988 s, 108 MB/s
1+0 records in
1+0 records out
1073741824 bytes (1.1 GB) copied, 14.0143 s, 76.6 MB/s 

   my envirnment  have three  network segments (hosts have 3 network segments ) :
       engine  and glusterfs mount : 192.168.11.X/24   
        glusterfs brick : 192.168.10.x/24
        iscsi : 192.168.1.0/24  

    and I add 192.168.1.0/24 to engine vm ,  ovirt web UI report the same error .

 humaorong 
  2016-11-2

------------------ Original ------------------
From:  "Maor Lipchuk"<mlipchuk at redhat.com>;
Date:  Tue, Nov 1, 2016 08:14 PM
To:  "胡茂荣"<maorong.hu at horebdata.cn>; 
Cc:  "users"<users at ovirt.org>; 
Subject:  Re: [ovirt-users] can not use iscsi storage type on ovirt andGlusterfs hyper-converged environment

Hi 胡茂荣

Can u please also add the VDSM and engine logs.
If you try discover and connect to those luns directly from your Host does it work?

Regards,
Maor

On Tue, Nov 1, 2016 at 6:12 AM, 胡茂荣 <maorong.hu at horebdata.cn> wrote:

    on ovirt and Glusterfs hyper-converged environment , can not use iscsi storage type , UI report error: "Could not retrieve LUNs, please check your storage." , vdsm report :"VDSM hosted_engine_3 command failed: Error block device action: ()" .
    but this block device alse login on centos 7 host :
=============================================================

## lsscsi 

[7:0:0:0]    disk    SCST_BIO DEVFOR_OVIRT_rbd  221  /dev/sdi

  ## dmesg :

[684521.131186] sd 7:0:0:0: [sdi] Attached SCSI disk

===================================---

   ###vdsm or supervdsm log  report :

    MainProcess|jsonrpc.Executor/7::ERROR::2016-11-01 11:07:00,178::supervdsmServer::96::SuperVdsm.ServerCallback::(wrapper) Error in getPathsStatus

MainProcess|jsonrpc.Executor/4::ERROR::2016-11-01 11:07:20,964::supervdsmServer::96::SuperVdsm.ServerCallback::(wrapper) Error in getPathsStatus

   jsonrpc.Executor/4::DEBUG::2016-11-01 11:07:04,251::iscsi::434::Storage.ISCSI::(rescan) Performing SCSI scan, this will take up to 30 seconds

jsonrpc.Executor/5::INFO::2016-11-01 11:07:19,413::iscsi::567::Storage.ISCSI::(setRpFilterIfNeeded) iSCSI iface.net_ifacename not provided. Skipping.

11:09:15,753::iscsiadm::119::Storage.Misc.excCmd::(_runCmd) /usr/bin/taskset --cpu-list 0-7 /usr/bin/sudo -n /usr/sbin/iscsiadm -m session -R (cwd None)

======================================

     the other info please the attachment "bug-info.doc".

     this prolem on ovirt3.6 and 4.X  ovirt and Glusterfs hyper-converged environment . how can I use iscsi storage type on ovirt and Glusterfs hyper-converged environment .Please help me !

    humaorong

   2016-11-1

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