<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Jun 25, 2017 at 8:17 PM, Iman Darabi <span dir="ltr"><<a href="mailto:iman.darabi@gmail.com" target="_blank">iman.darabi@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">i didn't configured any thing and let ovirt configure storage automatically. should i configure multipath manually? <br></div></blockquote><div><br></div><div>Usually not, but for ALUA you might want to.</div><div>Y.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Jun 25, 2017 at 3:06 PM, Yaniv Kaul <span dir="ltr"><<a href="mailto:ykaul@redhat.com" target="_blank">ykaul@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span>On Sun, Jun 25, 2017 at 11:25 AM, Iman Darabi <span dir="ltr"><<a href="mailto:iman.darabi@gmail.com" target="_blank">iman.darabi@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>i can not add second lun, this is my problem. when ever i try to add lun i get that message ... .<br><br>Jun 25 12:51:55 compute52 kernel: sd 12:0:0:16384: [sdf] Very big device. Trying to use READ CAPACITY(16).<br>Jun 25 12:51:55 compute52 kernel: sd 5:0:0:0: [sdb] Very big device. Trying to use READ CAPACITY(16).<br>Jun 25 12:51:55 compute52 kernel: sd 12:0:1:16384: [sdg] Very big device. Trying to use READ CAPACITY(16).<br>Jun 25 12:51:55 compute52 kernel: sd 5:0:1:0: [sdc] Very big device. Trying to use READ CAPACITY(16).<br>Jun 25 12:51:55 compute52 kernel: sd 12:0:0:0: [sdd] Read Capacity(10) failed: Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE<br>Jun 25 12:51:55 compute52 kernel: sd 12:0:0:0: [sdd] Sense Key : Illegal Request [current] <br>Jun 25 12:51:55 compute52 kernel: sd 12:0:0:0: [sdd] Add. Sense: Logical unit not supported<br>Jun 25 12:51:55 compute52 kernel: sd 12:0:1:0: [sde] Read Capacity(10) failed: Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE<br>Jun 25 12:51:55 compute52 kernel: sd 12:0:1:0: [sde] Sense Key : Illegal Request [current] <br>Jun 25 12:51:55 compute52 kernel: sd 12:0:1:0: [sde] Add. Sense: Logical unit not supported<br>Jun 25 12:51:56 compute52 kernel: device-mapper: table: 253:14: multipath: error getting device<br>Jun 25 12:51:56 compute52 kernel: device-mapper: ioctl: error adding target to table<br>Jun 25 12:51:56 compute52 multipathd: dm-14: remove map (uevent)<br>Jun 25 12:51:56 compute52 multipathd: dm-14: remove map (uevent)<br><br></div>mybe i've problem with multipath ... ?!. <br></div></blockquote><div><br></div></span><div>I think so. Is ALUA correctly configured?</div><div>I'd try to connect with oVirt and see that all works well first.</div><span class="m_4245169694563904272HOEnZb"><font color="#888888"><div>Y.</div></font></span><div><div class="m_4245169694563904272h5"><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><br></div></div><div class="m_4245169694563904272m_-6919701076471747969HOEnZb"><div class="m_4245169694563904272m_-6919701076471747969h5"><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Jun 25, 2017 at 12:38 PM, Yaniv Kaul <span dir="ltr"><<a href="mailto:ykaul@redhat.com" target="_blank">ykaul@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span>On Sun, Jun 25, 2017 at 10:51 AM, Iman Darabi <span dir="ltr"><<a href="mailto:iman.darabi@gmail.com" target="_blank">iman.darabi@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div><div>my os version is: <br> Operating System: CentOS Linux 7 (Core)<br> CPE OS Name: cpe:/o:centos:centos:7<br> Kernel: Linux 3.10.0-327.28.3.el7.x86_64<br> Architecture: x86-64<br></div>and san storage is EMC VNX 5400 with double cisco mds 9148s. <br><br></div></div></div></blockquote><div><br></div></span><div>I completely forgot to ask, is there a real problem besides those messages?</div><div>See [1] - appears to be harmless.</div><div>Y.</div><div><br></div><div>[1] <a href="https://bugzilla.kernel.org/show_bug.cgi?id=115351" target="_blank">https://bugzilla.kernel.or<wbr>g/show_bug.cgi?id=115351</a></div><div><div class="m_4245169694563904272m_-6919701076471747969m_6014242247706224540h5"><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div></div>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:<br>[20258845.245029] sd 12:0:0:16384: [sdf] Very big device. Trying to use READ CAPACITY(16).<br>[20258845.245454] sd 5:0:0:0: [sdb] Very big device. Trying to use READ CAPACITY(16).<br>[20258845.246554] sd 12:0:1:16384: [sdg] Very big device. Trying to use READ CAPACITY(16).<br>[20258845.246650] sd 5:0:1:0: [sdc] Very big device. Trying to use READ CAPACITY(16).<br>[20258845.248915] sd 12:0:0:0: [sdd] Read Capacity(10) failed: Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE<br>[20258845.248919] sd 12:0:0:0: [sdd] Sense Key : Illegal Request [current] <br>[20258845.248922] sd 12:0:0:0: [sdd] Add. Sense: Logical unit not supported<br>[20258845.249561] sd 12:0:1:0: [sde] Read Capacity(10) failed: Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE<br>[20258845.249564] sd 12:0:1:0: [sde] Sense Key : Illegal Request [current] <br>[20258845.249565] sd 12:0:1:0: [sde] Add. Sense: Logical unit not supported<br>[20258845.285583] device-mapper: table: 253:14: multipath: error getting device<br>[20258845.286019] device-mapper: ioctl: error adding target to table<br><br></div>here is output of HBA configurations: <br><br>[root@compute52 host12]# multipath -ll<br>3600601604d003a00036edddd268de<wbr>611 dm-2 DGC ,VRAID <br>size=2.0T features='1 retain_attached_hw_handler' hwhandler='1 alua' wp=rw<br>|-+- policy='service-time 0' prio=50 status=active<br>| `- 5:0:1:0 sdc 8:32 active ready running<br>`-+- policy='service-time 0' prio=10 status=enabled<br> `- 5:0:0:0 sdb 8:16 active ready running<br>==============================<wbr>====================<br><div><div><div><div>[root@compute52 host12]# systool -c fc_host<br>Class = "fc_host"<br><br> Class Device = "host12"<br> Device = "host12"<br><br> Class Device = "host5"<br> Device = "host5"<br>==============================<wbr>====================<br>[root@compute52 host12]# systool -c fc_host -v host12<br>Class = "fc_host"<br><br> Class Device = "host12"<br> Class Device path = "/sys/devices/pci0000:80/0000:<wbr>80:01.0/0000:81:00.1/host12/fc<wbr>_host/host12"<br> dev_loss_tmo = "16"<br> fabric_name = "0x20028c604f799791"<br> issue_lip = <store method only><br> max_npiv_vports = "254"<br> node_name = "0x5001438033136e4f"<br> npiv_vports_inuse = "0"<br> port_id = "0x6e0200"<br> port_name = "0x5001438033136e4e"<br> port_state = "Online"<br> port_type = "NPort (fabric via point-to-point)"<br> speed = "8 Gbit"<br> supported_classes = "Class 3"<br> supported_speeds = "1 Gbit, 2 Gbit, 4 Gbit, 8 Gbit"<br> symbolic_name = "HPAJ764A FW:v7.03.00 DVR:v8.07.00.18.07.2-k"<br> system_hostname = ""<br> tgtid_bind_type = "wwpn (World Wide Port Name)"<br> uevent = <br> vport_create = <store method only><br> vport_delete = <store method only><br><br> Device = "host12"<br> Device path = "/sys/devices/pci0000:80/0000:<wbr>80:01.0/0000:81:00.1/host12"<br> fw_dump = <br> nvram = "ISP "<br> optrom_ctl = <store method only><br> optrom = <br> reset = <store method only><br> sfp = " "<br> uevent = "DEVTYPE=scsi_host"<br> vpd = "�$"<br>==============================<wbr>=================<br><br>[root@compute52 host12]# systool -c fc_host -v host5<br>Class = "fc_host"<br><br> Class Device = "host5"<br> Class Device path = "/sys/devices/pci0000:80/0000:<wbr>80:01.0/0000:81:00.0/host5/fc_<wbr>host/host5"<br> dev_loss_tmo = "16"<br> fabric_name = "0x20018c604fec3441"<br> issue_lip = <store method only><br> max_npiv_vports = "254"<br> node_name = "0x5001438033136e4d"<br> npiv_vports_inuse = "0"<br> port_id = "0x6d0200"<br> port_name = "0x5001438033136e4c"<br> port_state = "Online"<br> port_type = "NPort (fabric via point-to-point)"<br> speed = "8 Gbit"<br> supported_classes = "Class 3"<br> supported_speeds = "1 Gbit, 2 Gbit, 4 Gbit, 8 Gbit"<br> symbolic_name = "HPAJ764A FW:v7.03.00 DVR:v8.07.00.18.07.2-k"<br> system_hostname = ""<br> tgtid_bind_type = "wwpn (World Wide Port Name)"<br> uevent = <br> vport_create = <store method only><br> vport_delete = <store method only><br><br> Device = "host5"<br> Device path = "/sys/devices/pci0000:80/0000:<wbr>80:01.0/0000:81:00.0/host5"<br> fw_dump = <br> nvram = "ISP "<br> optrom_ctl = <store method only><br> optrom = <br> reset = <store method only><br> sfp = " "<br> uevent = "DEVTYPE=scsi_host"<br> vpd = "�$"<br><br><br><br></div></div></div></div></div><div class="m_4245169694563904272m_-6919701076471747969m_6014242247706224540m_-6214566044563131591gmail-HOEnZb"><div class="m_4245169694563904272m_-6919701076471747969m_6014242247706224540m_-6214566044563131591gmail-h5"><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Jun 25, 2017 at 11:27 AM, Yaniv Kaul <span dir="ltr"><<a href="mailto:ykaul@redhat.com" target="_blank">ykaul@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span>On Sat, Jun 24, 2017 at 10:58 AM, Iman Darabi <span dir="ltr"><<a href="mailto:iman.darabi@gmail.com" target="_blank">iman.darabi@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>hi. <br></div>i'm using ovirt version 4.0 .<br><br><div><div>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: <br><br>Jun 21 13:22:41 compute52 kernel: sd 12:0:0:16384: [sdf] Very big device. Trying to use READ CAPACITY(16).<br>Jun 21 13:22:41 compute52 kernel: sd 5:0:0:0: [sdb] Very big device. Trying to use READ CAPACITY(16).<br>Jun 21 13:22:41 compute52 kernel: sd 12:0:1:16384: [sdg] Very big device. Trying to use READ CAPACITY(16).<br>Jun 21 13:22:41 compute52 kernel: sd 5:0:1:0: [sdc] Very big device. Trying to use READ CAPACITY(16).<br>Jun 21 13:22:41 compute52 kernel: sd 12:0:0:0: [sdd] Read Capacity(10) failed: Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE<br>Jun 21 13:22:41 compute52 kernel: sd 12:0:0:0: [sdd] Sense Key : Illegal Request [current] <br>Jun 21 13:22:41 compute52 kernel: sd 12:0:0:0: [sdd] Add. Sense: Logical unit not supported<br></div></div></div></blockquote><div><br></div></span><div>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.</div><span><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div>Jun 21 13:22:41 compute52 kernel: sd 12:0:1:0: [sde] Read Capacity(10) failed: Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE<br>Jun 21 13:22:41 compute52 kernel: sd 12:0:1:0: [sde] Sense Key : Illegal Request [current] <br>Jun 21 13:22:41 compute52 kernel: sd 12:0:1:0: [sde] Add. Sense: Logical unit not supported<br>Jun 21 13:22:41 compute52 kernel: device-mapper: table: 253:16: multipath: error getting device<br>Jun 21 13:22:41 compute52 kernel: device-mapper: ioctl: error adding target to table<br>Jun 21 13:22:41 compute52 multipathd: dm-16: remove map (uevent)<br>Jun 21 13:22:41 compute52 multipathd: dm-16: remove map (uevent)<br><br></div><div>error shows that second lun is very big device, but i've created second lun as 10GB for test.<br></div><div><br></div><div>BTW: is there any good documentation for ovirt and FC in detail. all administration docs are using GUI ... . <br clear="all"></div></div></div></blockquote><div><br></div></span><div>What are you missing exactly?</div><div>Y.</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span><div dir="ltr"><div><div></div><span class="m_4245169694563904272m_-6919701076471747969m_6014242247706224540m_-6214566044563131591gmail-m_4176811594090005005m_-6789123589852363288HOEnZb"><font color="#888888"><div><br>-- <br><div class="m_4245169694563904272m_-6919701076471747969m_6014242247706224540m_-6214566044563131591gmail-m_4176811594090005005m_-6789123589852363288m_6137603065571007505gmail_signature"><div dir="ltr"><div><div dir="ltr"><dd><font size="2">R&D expert at Ferdowsi University of Mashhad</font></dd><dd><span><a href="https://ir.linkedin.com/in/imandarabi" target="_blank">https://ir.linkedin.com/in/ima<wbr>ndarabi</a></span><a href="https://www.linkedin.com/profile/public-profile-settings?trk=prof-edit-edit-public_profile" title="Update your public profile settings" target="_blank"></a></dd></div></div></div></div>
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