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01-20-2015 03:05 AM
01-20-2015 03:05 AM
Re: hpvmmodify: ERROR (host): GUID service error: Could not connect to GUID server.
Clearly the NPIV has not been added.
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01-20-2015 03:08 AM - edited 01-20-2015 03:39 AM
01-20-2015 03:08 AM - edited 01-20-2015 03:39 AM
Re: hpvmmodify: ERROR (host): GUID service error: Could not connect to GUID server.
could you please provide me the steps what i need to do now...
NPIV we can do for HP VM's also? or it is only for Vpar
I have HP VM no vpar
Syed
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01-22-2015 12:24 PM - edited 01-22-2015 12:24 PM
01-22-2015 12:24 PM - edited 01-22-2015 12:24 PM
Re: hpvmmodify: ERROR (host): GUID service error: Could not connect to GUID server.
I have configured NPIV for my HPVM hosts. Now in the HPVM status I can see hba avio_stor but when I am doing ioscan -fnNC fc it doesn't show me any fc card.
# ioscan -fnNC fc
# hostname
vm001
hpvmstatus o/p in attachment.
Regards,
Syed
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01-22-2015 12:32 PM
01-22-2015 12:32 PM
Re: hpvmmodify: ERROR (host): GUID service error: Could not connect to GUID server.
Assuming the ioscan output was from within the VM guest itself, that is expected output. NPIV allows storage to be "presented" directly to the VM guest but is not the same as SR-IOV or Direct I/O where the FC port itself is dedicated to the VM. The port is still virtualized inside the VM guest and associated with the GVSD driver:
# ioscan -fnk
Class I H/W Path Driver S/W State H/W Type Description
============================================================================
ext_bus 6 0/0/0/0/0 gvsd CLAIMED INTERFACE HPVM NPIV Stor Adapter
/dev/gvsd6
ext_bus 0 0/0/0/1/0 gvsd CLAIMED INTERFACE HPVM NPIV Stor Adapter
/dev/gvsd0
Regards,
Dave
[Any personal opinions expressed are mine, and not official statements on behalf of Hewlett Packard Enterprise]
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01-22-2015 12:35 PM
01-22-2015 12:35 PM
Re: hpvmmodify: ERROR (host): GUID service error: Could not connect to GUID server.
That's because the class is not 'fc'. Look up HPVM admin guide under www.hp.com/go/hpux-hpvm-docs
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01-22-2015 12:39 PM
01-22-2015 12:39 PM
Re: hpvmmodify: ERROR (host): GUID service error: Could not connect to GUID server.
Hello Dave,
Thanks for the reply. So I can proceed with the zoning and disk will be availaible on my HPVM?
# ioscan -fnk
Class I H/W Path Driver S/W State H/W Type Description
==============================================================================
root 0 root CLAIMED BUS_NEXUS
ioa 0 0 cec_gen CLAIMED BUS_NEXUS
ba 0 0/0 gh2p CLAIMED BUS_NEXUS Local Bus Adapter
ext_bus 0 0/0/0/0 gvsd CLAIMED INTERFACE HPVM AVIO Stor Adapter
/dev/gvsd0
target 0 0/0/0/0.0 tgt CLAIMED DEVICE
disk 0 0/0/0/0.0.0 sdisk CLAIMED DEVICE HP Virtual FileDisk
/dev/dsk/c0t0d0 /dev/dsk/c0t0d0s2 /dev/rdsk/c0t0d0 /dev/rdsk/c0t0d0s2
/dev/dsk/c0t0d0s1 /dev/dsk/c0t0d0s3 /dev/rdsk/c0t0d0s1 /dev/rdsk/c0t0d0s3
lan 0 0/0/1/0 igssn CLAIMED INTERFACE HP IGSSN PCI AVIO LAN Adapter
lan 1 0/0/2/0 igssn CLAIMED INTERFACE HP IGSSN PCI AVIO LAN Adapter
ba 1 0/0/3/0 legacyio CLAIMED BUS_NEXUS Legacy IO Core I/O Adapter (IFB)
tty 0 0/0/3/0/1 asio0 CLAIMED INTERFACE Built-in RS-232C
/dev/diag/mux0 /dev/mux0 /dev/tty0p0
pseudo 1 0/0/4/0 hpvmdynmem CLAIMED INTERFACE PCI class(0,0) (103c12d8)
pseudo 0 0/0/5/0 hpvmguestdvr CLAIMED INTERFACE PCI class(0,0) (103c7108)
ba 2 0/1 gh2p CLAIMED BUS_NEXUS Local Bus Adapter
ext_bus 2 0/1/5/0 gvsd CLAIMED INTERFACE HPVM NPIV Stor Adapter
/dev/gvsd2
ba 3 0/2 gh2p CLAIMED BUS_NEXUS Local Bus Adapter
ext_bus 3 0/2/0/0 gvsd CLAIMED INTERFACE HPVM NPIV Stor Adapter
/dev/gvsd3
ba 4 0/3 gh2p CLAIMED BUS_NEXUS Local Bus Adapter
ba 5 0/4 gh2p CLAIMED BUS_NEXUS Local Bus Adapter
ba 6 0/5 gh2p CLAIMED BUS_NEXUS Local Bus Adapter
ba 7 0/6 gh2p CLAIMED BUS_NEXUS Local Bus Adapter
ba 8 0/7 gh2p CLAIMED BUS_NEXUS Local Bus Adapter
processor 0 120 processor CLAIMED PROCESSOR Processor
ba 9 250 pdh CLAIMED BUS_NEXUS Core I/O Adapter
ipmi 0 250/0 ipmi CLAIMED INTERFACE IPMI Controller
/dev/ipmi
acpi_node 0 250/1 acpi_node CLAIMED INTERFACE Acpi Hardware
usbmsvbus 1 255/1 mass_storage CLAIMED VIRTBUS USB Mass Storage
ext_bus 1 255/1/0 usb_ms_scsi CLAIMED INTERFACE USB Mass Storage SCSI
#
Syed
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01-22-2015 12:49 PM
01-22-2015 12:49 PM
Re: hpvmmodify: ERROR (host): GUID service error: Could not connect to GUID server.
The VM guest can see and instantiate the NPIV adapters, so that looks good. I'm a little confused by the hpvmstatus output you posted previously:
hba avio_stor 1 5 npiv /dev/fcd0-0x50060B00006499A8,0x50060B00006499A9
hba avio_stor 2 0 npiv /dev/fcd0-0x100000110A030000,0x100000110A030001
Neither of those NPIV virtual HBAs are using the GUID manager's defined range. Are you no longer using the GUID manager to manage WWNs? Did you hard-code those specific WWNs on the command-line when you added the NPIV instances to this VM?
Compare this against my VSP:
# guidmgmt -L wwn
Range type Start(Hex) End(Hex) Size(Dec)
=============== ================== ================== ==========
HP-DEFINED-PWWN 0x50014c2000000000 0x50014c2000007fff 32768
HP-DEFINED-NWWN 0x50014c2800000000 0x50014c2800007fff 32768
You can see that the *port* WWN range begins at 0x50014c2000000000 and the *node* WWN range begins at 0x50014c2800000000. Each time a virtual HBA is assigned WWNs by the GUIDmgr it assigns one WWN from each range, so my virtual servers end up with virtual HBAs looking like this:
hba avio_stor 0 0 npiv /dev/fcd0-0x50014C2000000002,0x50014C2800000002
hba avio_stor 0 1 npiv /dev/fcd1-0x50014C2000000003,0x50014C2800000003
The first number is the port WWN, and you can see it falls into the configured range on the GUIDmgr. Same goes for the node WWN value falling into the node range.
Your VM guest is not only using values that are not in the HP defined range, your VM is using *consecutive* values for the port and node WWN. Are you absolutely certain this is how you want to manage your WWNs?
Dave
[Any personal opinions expressed are mine, and not official statements on behalf of Hewlett Packard Enterprise]
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01-22-2015 12:57 PM
01-22-2015 12:57 PM
Re: hpvmmodify: ERROR (host): GUID service error: Could not connect to GUID server.
Hi Dave,
I have used hard code wwn range for my HPVM than the actual range created on guidmgr. Do now I need to delete these hba avio_stor and recreate new which should be in teh defined range.
# hostname
vm001
# guidmgmt -L wwn
Range type Start(Hex) End(Hex) Size(Dec)
=============== ================== ================== ==========
HP-DEFINED-PWWN 0x50014c2000000000 0x50014c2000007fff 32768
HP-DEFINED-NWWN 0x50014c2800000000 0x50014c2800007fff 32768
I have used below commands to modify it:
#hpvmmodify -P vm001 -a hba:avio_stor:1,5,0x50060b00006499a8,0x50060b00006499a9:npiv:/dev/fcd0
Regards,
Syed
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01-22-2015 01:17 PM
01-22-2015 01:17 PM
Re: hpvmmodify: ERROR (host): GUID service error: Could not connect to GUID server.
The whole point of using the GUIDmgr is to have it manage the WWNs so you don't accidentally assign the same WWNs to multiple virtual servers. If you're going to hard code values then don't bother with the GUIDmgr, but you'd better be absolutely certain you know what you're doing because using the wrong values can lead to multiple servers (physical or virtual) accessing the same storage and even data corruption.
My recommendation would be to shutdown the VM, delete the existing NPIV vHBAs and create new ones using syntax similar to the following:
# hpvmmodify -P vm001 -a hba:avio_stor::npiv:/dev/fcd0
That syntax tells the VSP to assign the bus/device/function values and tells the GUIDmgr to assign the WWNs. If you want multiple vWWNs then repeat the command to create a second instance. If you have multiple physical FC ports and you want the VM to use multiple paths then you can create the second vHBA and specify a different physical FC port such as /dev/fcd1.
Dave
[Any personal opinions expressed are mine, and not official statements on behalf of Hewlett Packard Enterprise]
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01-23-2015 05:33 AM
01-23-2015 05:33 AM
Re: hpvmmodify: ERROR (host): GUID service error: Could not connect to GUID server.
Hello Dave, Stan,
Thanks alot for all yoru support.
As per Dave reference I have deleted all avio_stor and created default HP range for wwn.
vPar/VM Physical
Device Adapter Bus Dev Ftn Tgt Lun Storage Device
======= ========== === === === === === ========= =========================
disk avio_stor 0 0 0 0 0 file /ignite/vmos/vm001
hba avio_stor 0 4 npiv /dev/fcd0-0x50014C2000000000,0x50014C2800000000
Now did the zoning on the SAN and hence added the host on 3Par.
Created a new disk for 3par and is visible on vm001 hosts.
# ioscan -fnNC disk
Class I H/W Path Driver S/W State H/W Type Description
===================================================================
disk 2 64000/0xfa00/0x0 esdisk CLAIMED DEVICE HP Virtual FileDisk
/dev/disk/disk2 /dev/rdisk/disk2
/dev/disk/disk2_p1 /dev/rdisk/disk2_p1
/dev/disk/disk2_p2 /dev/rdisk/disk2_p2
/dev/disk/disk2_p3 /dev/rdisk/disk2_p3
disk 7 64000/0xfa00/0x7 esdisk CLAIMED DEVICE 3PARdataVV
/dev/disk/disk7 /dev/rdisk/disk7
# hostname
vm001
Thanks for all your support.
Regards,
Syed
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