[ovirt-users] Very big device. Trying to use READ CAPACITY

Yaniv Kaul ykaul at redhat.com
Sun Jun 25 08:08:13 UTC 2017


On Sun, Jun 25, 2017 at 10:51 AM, Iman Darabi <iman.darabi at gmail.com> wrote:

> my os version is:
>   Operating System: CentOS Linux 7 (Core)
>   CPE OS Name: cpe:/o:centos:centos:7
>   Kernel: Linux 3.10.0-327.28.3.el7.x86_64
>   Architecture: x86-64
> and san storage is EMC VNX 5400 with double cisco mds 9148s.
>
>
I completely forgot to ask, is there a real problem besides those messages?
See [1] - appears to be harmless.
Y.

[1] https://bugzilla.kernel.org/show_bug.cgi?id=115351


> actually i had problem with one of my switches and sent it to garanty
> guarantee. now i set it up again ... . but i get these errors from dmesg:
> [20258845.245029] sd 12:0:0:16384: [sdf] Very big device. Trying to use
> READ CAPACITY(16).
> [20258845.245454] sd 5:0:0:0: [sdb] Very big device. Trying to use READ
> CAPACITY(16).
> [20258845.246554] sd 12:0:1:16384: [sdg] Very big device. Trying to use
> READ CAPACITY(16).
> [20258845.246650] sd 5:0:1:0: [sdc] Very big device. Trying to use READ
> CAPACITY(16).
> [20258845.248915] sd 12:0:0:0: [sdd] Read Capacity(10) failed: Result:
> hostbyte=DID_OK driverbyte=DRIVER_SENSE
> [20258845.248919] sd 12:0:0:0: [sdd] Sense Key : Illegal Request [current]
> [20258845.248922] sd 12:0:0:0: [sdd] Add. Sense: Logical unit not supported
> [20258845.249561] sd 12:0:1:0: [sde] Read Capacity(10) failed: Result:
> hostbyte=DID_OK driverbyte=DRIVER_SENSE
> [20258845.249564] sd 12:0:1:0: [sde] Sense Key : Illegal Request [current]
> [20258845.249565] sd 12:0:1:0: [sde] Add. Sense: Logical unit not supported
> [20258845.285583] device-mapper: table: 253:14: multipath: error getting
> device
> [20258845.286019] device-mapper: ioctl: error adding target to table
>
> here is output of HBA configurations:
>
> [root at compute52 host12]# multipath -ll
> 3600601604d003a00036edddd268de611 dm-2 DGC     ,VRAID
> size=2.0T features='1 retain_attached_hw_handler' hwhandler='1 alua' wp=rw
> |-+- policy='service-time 0' prio=50 status=active
> | `- 5:0:1:0      sdc 8:32  active ready  running
> `-+- policy='service-time 0' prio=10 status=enabled
>   `- 5:0:0:0      sdb 8:16  active ready  running
> ==================================================
> [root at compute52 host12]# systool -c fc_host
> Class = "fc_host"
>
>   Class Device = "host12"
>     Device = "host12"
>
>   Class Device = "host5"
>     Device = "host5"
> ==================================================
> [root at compute52 host12]# systool -c fc_host -v host12
> Class = "fc_host"
>
>   Class Device = "host12"
>   Class Device path = "/sys/devices/pci0000:80/0000:
> 80:01.0/0000:81:00.1/host12/fc_host/host12"
>     dev_loss_tmo        = "16"
>     fabric_name         = "0x20028c604f799791"
>     issue_lip           = <store method only>
>     max_npiv_vports     = "254"
>     node_name           = "0x5001438033136e4f"
>     npiv_vports_inuse   = "0"
>     port_id             = "0x6e0200"
>     port_name           = "0x5001438033136e4e"
>     port_state          = "Online"
>     port_type           = "NPort (fabric via point-to-point)"
>     speed               = "8 Gbit"
>     supported_classes   = "Class 3"
>     supported_speeds    = "1 Gbit, 2 Gbit, 4 Gbit, 8 Gbit"
>     symbolic_name       = "HPAJ764A FW:v7.03.00 DVR:v8.07.00.18.07.2-k"
>     system_hostname     = ""
>     tgtid_bind_type     = "wwpn (World Wide Port Name)"
>     uevent              =
>     vport_create        = <store method only>
>     vport_delete        = <store method only>
>
>     Device = "host12"
>     Device path = "/sys/devices/pci0000:80/0000:
> 80:01.0/0000:81:00.1/host12"
>       fw_dump             =
>       nvram               = "ISP "
>       optrom_ctl          = <store method only>
>       optrom              =
>       reset               = <store method only>
>       sfp                 = " "
>       uevent              = "DEVTYPE=scsi_host"
>       vpd                 = "�$"
> ===============================================
>
> [root at compute52 host12]# systool -c fc_host -v host5
> Class = "fc_host"
>
>   Class Device = "host5"
>   Class Device path = "/sys/devices/pci0000:80/0000:
> 80:01.0/0000:81:00.0/host5/fc_host/host5"
>     dev_loss_tmo        = "16"
>     fabric_name         = "0x20018c604fec3441"
>     issue_lip           = <store method only>
>     max_npiv_vports     = "254"
>     node_name           = "0x5001438033136e4d"
>     npiv_vports_inuse   = "0"
>     port_id             = "0x6d0200"
>     port_name           = "0x5001438033136e4c"
>     port_state          = "Online"
>     port_type           = "NPort (fabric via point-to-point)"
>     speed               = "8 Gbit"
>     supported_classes   = "Class 3"
>     supported_speeds    = "1 Gbit, 2 Gbit, 4 Gbit, 8 Gbit"
>     symbolic_name       = "HPAJ764A FW:v7.03.00 DVR:v8.07.00.18.07.2-k"
>     system_hostname     = ""
>     tgtid_bind_type     = "wwpn (World Wide Port Name)"
>     uevent              =
>     vport_create        = <store method only>
>     vport_delete        = <store method only>
>
>     Device = "host5"
>     Device path = "/sys/devices/pci0000:80/0000:
> 80:01.0/0000:81:00.0/host5"
>       fw_dump             =
>       nvram               = "ISP "
>       optrom_ctl          = <store method only>
>       optrom              =
>       reset               = <store method only>
>       sfp                 = " "
>       uevent              = "DEVTYPE=scsi_host"
>       vpd                 = "�$"
>
>
>
>
> On Sun, Jun 25, 2017 at 11:27 AM, Yaniv Kaul <ykaul at redhat.com> wrote:
>
>>
>>
>> On Sat, Jun 24, 2017 at 10:58 AM, Iman Darabi <iman.darabi at gmail.com>
>> wrote:
>>
>>> hi.
>>> i'm using ovirt version 4.0 .
>>>
>>> I've created two LUNs.  firs lun is 2047GB and working properly as data
>>> domain. but when i try to add second lun  as second data domain, i get this
>>> error on server:
>>>
>>> Jun 21 13:22:41 compute52 kernel: sd 12:0:0:16384: [sdf] Very big
>>> device. Trying to use READ CAPACITY(16).
>>> Jun 21 13:22:41 compute52 kernel: sd 5:0:0:0: [sdb] Very big device.
>>> Trying to use READ CAPACITY(16).
>>> Jun 21 13:22:41 compute52 kernel: sd 12:0:1:16384: [sdg] Very big
>>> device. Trying to use READ CAPACITY(16).
>>> Jun 21 13:22:41 compute52 kernel: sd 5:0:1:0: [sdc] Very big device.
>>> Trying to use READ CAPACITY(16).
>>> Jun 21 13:22:41 compute52 kernel: sd 12:0:0:0: [sdd] Read Capacity(10)
>>> failed: Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
>>> Jun 21 13:22:41 compute52 kernel: sd 12:0:0:0: [sdd] Sense Key : Illegal
>>> Request [current]
>>> Jun 21 13:22:41 compute52 kernel: sd 12:0:0:0: [sdd] Add. Sense: Logical
>>> unit not supported
>>>
>>
>> Looks like an issue between your platforms (what version is it? You have
>> not specified it) and your storage (what is it? You have not specified it),
>> unrelated directly to oVirt.
>>
>>
>>> Jun 21 13:22:41 compute52 kernel: sd 12:0:1:0: [sde] Read Capacity(10)
>>> failed: Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
>>> Jun 21 13:22:41 compute52 kernel: sd 12:0:1:0: [sde] Sense Key : Illegal
>>> Request [current]
>>> Jun 21 13:22:41 compute52 kernel: sd 12:0:1:0: [sde] Add. Sense: Logical
>>> unit not supported
>>> Jun 21 13:22:41 compute52 kernel: device-mapper: table: 253:16:
>>> multipath: error getting device
>>> Jun 21 13:22:41 compute52 kernel: device-mapper: ioctl: error adding
>>> target to table
>>> Jun 21 13:22:41 compute52 multipathd: dm-16: remove map (uevent)
>>> Jun 21 13:22:41 compute52 multipathd: dm-16: remove map (uevent)
>>>
>>> error shows that second lun is very big device, but i've created second
>>> lun as 10GB for test.
>>>
>>> BTW: is there any good documentation for ovirt and FC in detail. all
>>> administration docs are using GUI ... .
>>>
>>
>> What are you missing exactly?
>> Y.
>>
>>
>>>
>>> --
>>> R&D expert at Ferdowsi University of Mashhad
>>> https://ir.linkedin.com/in/imandarabi
>>> <https://www.linkedin.com/profile/public-profile-settings?trk=prof-edit-edit-public_profile>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>>
>>>
>>
>
>
> --
> R&D expert at Ferdowsi University of Mashhadhttps://ir.linkedin.com/in/
> imandarabi
> <https://www.linkedin.com/profile/public-profile-settings?trk=prof-edit-edit-public_profile>
>
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