[ovirt-users] Self hosted engine iusses

[Stefano Danzi]

Il 05/02/2015 11.52, Nir Soffer ha scritto:
> ----- Original Message -----
>
> After ovirt installation on host console I see this error every 5 minutes:
>
> [ 1823.837020] device-mapper: table: 253:4: multipath: error getting device
> [ 1823.837228] device-mapper: ioctl: error adding target to table
> This may be caused by the fact that vdsm does not cleanup properly after
> deactivating storage domains. We have an open bugs on this.
>
> You may have an active lv using non-existent multipath device.
>
> Can you share with us the output of:
>
> lsblk
> multipath -ll
> dmsetup table
> cat /etc/multipath.conf
> pvscan --cache > /dev/null && lvs
>
> Nir
>
See above:

[root at ovirt01 etc]# lsblk
NAME                                 MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda                                    8:0    0 931,5G  0 disk
├─sda1                                 8:1    0   500M  0 part
│ └─md0                                9:0    0   500M  0 raid1 /boot
└─sda2                                 8:2    0   931G  0 part
   └─md1                                9:1    0 930,9G  0 raid1
     ├─centos_ovirt01-swap            253:0    0   7,9G  0 lvm [SWAP]
     ├─centos_ovirt01-root            253:1    0    50G  0 lvm   /
     ├─centos_ovirt01-home            253:2    0    10G  0 lvm /home
     └─centos_ovirt01-glusterOVEngine 253:3    0    50G  0 lvm 
/home/glusterfs/engine
sdb                                    8:16   0 931,5G  0 disk
├─sdb1                                 8:17   0   500M  0 part
│ └─md0                                9:0    0   500M  0 raid1 /boot
└─sdb2                                 8:18   0   931G  0 part
   └─md1                                9:1    0 930,9G  0 raid1
     ├─centos_ovirt01-swap            253:0    0   7,9G  0 lvm [SWAP]
     ├─centos_ovirt01-root            253:1    0    50G  0 lvm   /
     ├─centos_ovirt01-home            253:2    0    10G  0 lvm /home
     └─centos_ovirt01-glusterOVEngine 253:3    0    50G  0 lvm 
/home/glusterfs/engine

[root at ovirt01 etc]# multipath -ll
Feb 05 11:56:25 | multipath.conf +5, invalid keyword: getuid_callout
Feb 05 11:56:25 | multipath.conf +18, invalid keyword: getuid_callout
Feb 05 11:56:25 | multipath.conf +37, invalid keyword: getuid_callout

[root at ovirt01 etc]# dmsetup table
centos_ovirt01-home: 0 20971520 linear 9:1 121391104
centos_ovirt01-swap: 0 16531456 linear 9:1 2048
centos_ovirt01-root: 0 104857600 linear 9:1 16533504
centos_ovirt01-glusterOVEngine: 0 104857600 linear 9:1 142362624

[root at ovirt01 etc]# cat /etc/multipath.conf
# RHEV REVISION 1.1

defaults {
     polling_interval        5
     getuid_callout          "/usr/lib/udev/scsi_id --whitelisted --replace-whitespace --device=/dev/%n"
     no_path_retry           fail
     user_friendly_names     no
     flush_on_last_del       yes
     fast_io_fail_tmo        5
     dev_loss_tmo            30
     max_fds                 4096
}

devices {
device {
     vendor                  "HITACHI"
     product                 "DF.*"
     getuid_callout          "/usr/lib/udev/scsi_id --whitelisted --replace-whitespace --device=/dev/%n"
}
device {
     vendor                  "COMPELNT"
     product                 "Compellent Vol"
     no_path_retry           fail
}
device {
     # multipath.conf.default
     vendor                  "DGC"
     product                 ".*"
     product_blacklist       "LUNZ"
     path_grouping_policy    "group_by_prio"
     path_checker            "emc_clariion"
     hardware_handler        "1 emc"
     prio                    "emc"
     failback                immediate
     rr_weight               "uniform"
     # vdsm required configuration
     getuid_callout          "/usr/lib/udev/scsi_id --whitelisted --replace-whitespace --device=/dev/%n"
     features                "0"
     no_path_retry           fail
}
}

[root at ovirt01 etc]# pvscan --cache > /dev/null && lvs
   Incorrect metadata area header checksum on /dev/sda2 at offset 4096
   Incorrect metadata area header checksum on /dev/sda2 at offset 4096
   LV              VG             Attr       LSize  Pool Origin Data%  Move Log Cpy%Sync Convert
   glusterOVEngine centos_ovirt01 -wi-ao---- 50,00g
   home            centos_ovirt01 -wi-ao---- 10,00g
   root            centos_ovirt01 -wi-ao---- 50,00g
   swap            centos_ovirt01 -wi-ao----  7,88g