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тАО05-12-2011 03:14 AM
тАО05-12-2011 03:14 AM
Hello All,
I have to create a 3 node cluster with SLVM. Those three nodes are resides on a single Host. I have created a lock lun on the EVA and presented the disk to the host.
Then i tried to assign the disk to all the 3 VM's on the host. For that i change that disk as shared disk. But still i'm unable to mount the disk.
Here are some of the details.
Disk : /dev/rdsk/c24t1d4
guests : sapvm1, sapvm2, sapvm3
command to share the disk -
# hpvmdevmgmt -m gdev:/dev/rdsk/c24t1d4:attr:SHARE=YES
devmgmt output -
hpvmdevmgmt -l gdev
localnet:CONFIG=gdev,EXIST=YES,DEVTYPE=SWITCH,SHARE=YES::WWID_NULL
lan0:CONFIG=gdev,EXIST=YES,DEVTYPE=NIC,SHARE=NO:vswitch1:WWID_NULL
vswitch1:CONFIG=gdev,EXIST=YES,DEVTYPE=SWITCH,SHARE=YES:sd2vm4,sapvm3,sapvm2,sapvm1:WWID_NULL
/dev/rdisk/disk7,/dev/rdsk/c26t0d3:CONFIG=gdev,EXIST=YES,DEVTYPE=DISK,SHARE=NO:sapvm2:0x01.0x00.0x03.0x600508b40006eed10001100000940000
/dev/rdisk/disk10,/dev/rdsk/c26t0d4:CONFIG=gdev,EXIST=YES,DEVTYPE=DISK,SHARE=NO:sapvm3:0x01.0x00.0x03.0x600508b40006eed100011000009e0000
/dev/rdisk/disk13,/dev/rdsk/c26t0d5:CONFIG=gdev,EXIST=YES,DEVTYPE=DISK,SHARE=NO:sd2vm4:0x01.0x00.0x03.0x600508b40006eed10001100000a40000
/dev/slvm_dsk1:CONFIG=gdev,EXIST=YES,DEVTYPE=DIRECTORY,SHARE=NO,VIRTPTYPE=container_volume_SLVM,PRESERVE=YES::HPVM_DIR_STATID_2411_1073741827
/dev/slvm_dsk2:CONFIG=gdev,EXIST=YES,DEVTYPE=DIRECTORY,SHARE=NO,VIRTPTYPE=container_volume_SLVM,PRESERVE=YES::HPVM_DIR_STATID_2443_1073741827
/dev/slvm_dsk3:CONFIG=gdev,EXIST=YES,DEVTYPE=DIRECTORY,SHARE=NO,VIRTPTYPE=container_volume_SLVM,PRESERVE=YES::HPVM_DIR_STATID_2442_1073741827
/dev/slvm_dsk4:CONFIG=gdev,EXIST=YES,DEVTYPE=DIRECTORY,SHARE=NO,VIRTPTYPE=container_volume_SLVM,PRESERVE=YES::HPVM_DIR_STATID_2468_1073741827
/dev/rdsk/c26t0d2,/dev/rdisk/disk4:CONFIG=gdev,EXIST=YES,DEVTYPE=DISK,SHARE=NO:sapvm1:0x01.0x00.0x03.0x600508b40006eed100011000008e0000
/dev/rdsk/c24t1d4,/dev/rdisk/disk56:CONFIG=gdev,EXIST=YES,DEVTYPE=DISK,SHARE=YES:sapvm2,sapvm3:0x01.0x00.0x03.0x600508b40006eed10001100002280000
Error :
root@vmhost# hpvmmodify -p 2 -a disk:scsi::disk:/dev/rdsk/c24t1d4
root@vmhost# hpvmmodify -p 3 -a disk:scsi::disk:/dev/rdsk/c24t1d4
hpvmmodify: ERROR (sapvm2): Duplicate backing device '/dev/rdsk/c24t1d4'.
hpvmmodify: ERROR (sapvm2): Unable to add device '/dev/rdsk/c24t1d4'.
hpvmmodify: Unable to create device disk:scsi::disk:/dev/rdsk/c24t1d4.
hpvmmodify: Unable to modify the guest.
Please advise here to create the cluster between the VM's on a single host.
Thanks,
Jayaprakash S
I have to create a 3 node cluster with SLVM. Those three nodes are resides on a single Host. I have created a lock lun on the EVA and presented the disk to the host.
Then i tried to assign the disk to all the 3 VM's on the host. For that i change that disk as shared disk. But still i'm unable to mount the disk.
Here are some of the details.
Disk : /dev/rdsk/c24t1d4
guests : sapvm1, sapvm2, sapvm3
command to share the disk -
# hpvmdevmgmt -m gdev:/dev/rdsk/c24t1d4:attr:SHARE=YES
devmgmt output -
hpvmdevmgmt -l gdev
localnet:CONFIG=gdev,EXIST=YES,DEVTYPE=SWITCH,SHARE=YES::WWID_NULL
lan0:CONFIG=gdev,EXIST=YES,DEVTYPE=NIC,SHARE=NO:vswitch1:WWID_NULL
vswitch1:CONFIG=gdev,EXIST=YES,DEVTYPE=SWITCH,SHARE=YES:sd2vm4,sapvm3,sapvm2,sapvm1:WWID_NULL
/dev/rdisk/disk7,/dev/rdsk/c26t0d3:CONFIG=gdev,EXIST=YES,DEVTYPE=DISK,SHARE=NO:sapvm2:0x01.0x00.0x03.0x600508b40006eed10001100000940000
/dev/rdisk/disk10,/dev/rdsk/c26t0d4:CONFIG=gdev,EXIST=YES,DEVTYPE=DISK,SHARE=NO:sapvm3:0x01.0x00.0x03.0x600508b40006eed100011000009e0000
/dev/rdisk/disk13,/dev/rdsk/c26t0d5:CONFIG=gdev,EXIST=YES,DEVTYPE=DISK,SHARE=NO:sd2vm4:0x01.0x00.0x03.0x600508b40006eed10001100000a40000
/dev/slvm_dsk1:CONFIG=gdev,EXIST=YES,DEVTYPE=DIRECTORY,SHARE=NO,VIRTPTYPE=container_volume_SLVM,PRESERVE=YES::HPVM_DIR_STATID_2411_1073741827
/dev/slvm_dsk2:CONFIG=gdev,EXIST=YES,DEVTYPE=DIRECTORY,SHARE=NO,VIRTPTYPE=container_volume_SLVM,PRESERVE=YES::HPVM_DIR_STATID_2443_1073741827
/dev/slvm_dsk3:CONFIG=gdev,EXIST=YES,DEVTYPE=DIRECTORY,SHARE=NO,VIRTPTYPE=container_volume_SLVM,PRESERVE=YES::HPVM_DIR_STATID_2442_1073741827
/dev/slvm_dsk4:CONFIG=gdev,EXIST=YES,DEVTYPE=DIRECTORY,SHARE=NO,VIRTPTYPE=container_volume_SLVM,PRESERVE=YES::HPVM_DIR_STATID_2468_1073741827
/dev/rdsk/c26t0d2,/dev/rdisk/disk4:CONFIG=gdev,EXIST=YES,DEVTYPE=DISK,SHARE=NO:sapvm1:0x01.0x00.0x03.0x600508b40006eed100011000008e0000
/dev/rdsk/c24t1d4,/dev/rdisk/disk56:CONFIG=gdev,EXIST=YES,DEVTYPE=DISK,SHARE=YES:sapvm2,sapvm3:0x01.0x00.0x03.0x600508b40006eed10001100002280000
Error :
root@vmhost# hpvmmodify -p 2 -a disk:scsi::disk:/dev/rdsk/c24t1d4
root@vmhost# hpvmmodify -p 3 -a disk:scsi::disk:/dev/rdsk/c24t1d4
hpvmmodify: ERROR (sapvm2): Duplicate backing device '/dev/rdsk/c24t1d4'.
hpvmmodify: ERROR (sapvm2): Unable to add device '/dev/rdsk/c24t1d4'.
hpvmmodify: Unable to create device disk:scsi::disk:/dev/rdsk/c24t1d4.
hpvmmodify: Unable to modify the guest.
Please advise here to create the cluster between the VM's on a single host.
Thanks,
Jayaprakash S
Solved! Go to Solution.
3 REPLIES 3
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тАО05-13-2011 01:40 AM
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тАО05-15-2011 03:52 PM
тАО05-15-2011 03:52 PM
Re: Sharing a disk between HP-VM's on a single host
Hi
Looks that you've already added this disk to VM.
But I encourage you, to use avio driver instead scsi.
You may need to restart VMs. To be able activate new configuration for Guest.
Laco
Looks that you've already added this disk to VM.
But I encourage you, to use avio driver instead scsi.
You may need to restart VMs. To be able activate new configuration for Guest.
Laco
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тАО05-16-2011 01:54 AM
тАО05-16-2011 01:54 AM
Re: Sharing a disk between HP-VM's on a single host
Hello All,
I have added the disk to the host and configured that disk as a shared disk using hpvmdevmgmt. I accidentally assign the same disk twice to that vm. thats the cause for this error.
Reg AVIO, Yes, I should change the disks from SCSI to AVIO. Will analyze this and implement.
Thanks,
Jayaprakash S
I have added the disk to the host and configured that disk as a shared disk using hpvmdevmgmt. I accidentally assign the same disk twice to that vm. thats the cause for this error.
Reg AVIO, Yes, I should change the disks from SCSI to AVIO. Will analyze this and implement.
Thanks,
Jayaprakash S
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