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тАО06-05-2005 04:38 PM
тАО06-05-2005 04:38 PM
Disk Mounting Problem in VxVM
I have a setup of a few HP9000 2-4 CPU servers with HP-UX-11i v1. An EVA-3000 has been connected to it through dual SAN switches. Now i want to add one more storage array. I added a third party storage array and created one LUN and presented to the servers for testing. Now the disk is being detected by the server. but two nos. of disks are being detected. That is because of multiple paths to the array i believe. So i masked one paths through VxVM. But i am unable to initialize that disk and i cant mount it then. In VxVM disk list, the disk is shown as "Online Invalid". And the detailed description is as below:
Device: c17t0d0
devicetag: c17t0d0
type: simple
flags: online ready private autoconfig invalid
pubpaths: block=/dev/vx/dmp/c17t0d0 char=/dev/vx/rdmp/c17t0d0
Multipathing information:
numpaths: 1
c17t0d0 state=enabled
I have tried removing any header if its there by vxdisksetup -C option. but still initialization gives error saying invalid disk or disk not present.
Plz help...
Thanks in advance.
Piyush.
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тАО06-05-2005 05:38 PM
тАО06-05-2005 05:38 PM
Re: Disk Mounting Problem in VxVM
Is it supported by hp-ux?
Did you check whether you can mix with EVA3K?
Zone config in SAN fabric!!
I strongly feel, the array you are using is not suported (or configured).
Problem only in VxVM.
Is LVM ok? (pvcreate, vgcreate...)
To increase the storage either add more disks (with necessary enclosers) to existing EVA. Or you can add another EVA and zone it properly in SAN fabric.
May be you already thought of all these! Just my openion.
Regds
TT
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тАО06-05-2005 06:34 PM
тАО06-05-2005 06:34 PM
Re: Disk Mounting Problem in VxVM
LVM is also not able to mount it. no zoning has been configured. and the configuration from the storage side it alright. I need to know that in what condition VxVM shows such message? Can there be some other issue?? and how can i check whether it is compatible or not. If u say that i should check the documentaion, then it wont help, coz the storage is not from a worldwide reknowned vendor.
Thanks.
Piyush.
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тАО06-05-2005 09:49 PM
тАО06-05-2005 09:49 PM
Re: Disk Mounting Problem in VxVM
1. Do you see the disk in 'ioscan -fnC disk'?
2. If yes, run 'vxdisk scandisks'.
3. run vxdiskadd c17t0d0
This should add the disk to the VxVM control.
Regards
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тАО06-06-2005 12:05 AM
тАО06-06-2005 12:05 AM
Re: Disk Mounting Problem in VxVM
I have already tried this. In fact VxVM is also detecting the disk. the disk is shown in 'vxdiskadm --> list' as online invalid. and the detailed description with flag is given above.
thanks anyway.
Piyush.