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тАО06-01-2005 12:57 AM
тАО06-01-2005 12:57 AM
How to create vg & lv on VA7410 (SAN)
I have two VA7410 configured in SAN setup.
I already have 3 host connected to VA. The VA configured in RAID 0+1.
Recently i have added 10 more disks on each VA & attached another new host on to the VA.
Now , the problem is :-
1/ How to create the LUN?
2/ How to user LVM to create vg/lvol to link to the LUN created ?
Pls advice.
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тАО06-01-2005 01:07 AM
тАО06-01-2005 01:07 AM
Re: How to create vg & lv on VA7410 (SAN)
Creating LUN's is very hardware specific. Attaching some links.
http://www1.itrc.hp.com/service/james/dispDoc.do?docURL=http%3A%2F%2Fsearch.hp.com%2Fredirect.html%3Furl%3Dhttp%253A%2F%2Fforums1.itrc.hp.com%2Fservice%2Fforums%2Fquestionanswer.do%253FthreadId%253D887211%26qt%3D%2Bcreate%2BLUN%2Bon%2BVA74110%26hit%3D1&aid=SEARCH_FORUMS&pil=1&serStr=create+LUN+on+VA74110&pir=1
http://www1.itrc.hp.com/service/james/dispDoc.do?docURL=http%3A%2F%2Fsearch.hp.com%2Fredirect.html%3Furl%3Dhttp%253A%2F%2Fforums1.itrc.hp.com%2Fservice%2Fforums%2Fquestionanswer.do%253FthreadId%253D779398%26qt%3D%2Bcreate%2BLUN%2Bon%2BVA74110%26hit%3D2&aid=SEARCH_FORUMS&pil=2&serStr=create+LUN+on+VA74110&pir=2
A few ways to get the LUN once created and ownership is done to be recognized by the system.
1) ioscan
2) reboot the system (always works).
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО06-01-2005 01:16 AM
тАО06-01-2005 01:16 AM
Re: How to create vg & lv on VA7410 (SAN)
You must have got SDM (Storage Device Manager) with VA7410. If not installed install it. Then Once you have SDM in place run SAM.
# sam
go to Disks and Filesystems:
Then choose "Action" and select "launch SDM"
Once SDM is luanched, just go thr' the menu items and you will be able to create LUN's on it.
Once you create LUNS, further you need to follow certain steps to create LV.
# pvcreate
# mkdir /dev/vgname
# mknod /dev/vgname/group 64
# vgcreate vgname
# lvcreate -n lvname -L lvsizeinMB vgname
# newfs -F vxfes /dev/vgname/rlvname
Hope that helps.
Regards,
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тАО06-01-2005 01:18 AM
тАО06-01-2005 01:18 AM
Re: How to create vg & lv on VA7410 (SAN)
http://h20000.www2.hp.com/bizsupport/CoreRedirect.jsp?targetPage=http%3A%2F%2Fh200001.www2.hp.com%2Fbc%2Fdocs%2Fsupport%2FSupportManual%2Fc00218941%2Fc00218941.pdf
Pete
Pete
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тАО06-01-2005 01:23 AM
тАО06-01-2005 01:23 AM
Re: How to create vg & lv on VA7410 (SAN)
Please read:
# pvcreate
# mkdir /dev/vgname
# mknod /dev/vgname/group 64
# vgcreate vgname
# lvcreate -n lvname -L lvsizeinMB vgname
# newfs -F vxfes /dev/vgname/rlvname
as
# pvcreate /dev/rdsk/cxtydz
This device is the one which represenst your LUN e.g. /dev/rdsk/cxtydz
Repeat this commands for all LUN's you created
# mkdir /dev/vgname
# mknod /dev/vgname/group c 64
# vgcreate vgname
Here your PVname is /dev/dsk/cxtydz and so on.
# lvcreate -n lvname -L lvsizeinMB vgname
# newfs -F vxfs /dev/vgname/rlvname
Regards,
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тАО06-01-2005 01:44 AM
тАО06-01-2005 01:44 AM
Re: How to create vg & lv on VA7410 (SAN)
./Tamil
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тАО06-01-2005 02:07 AM
тАО06-01-2005 02:07 AM
Re: How to create vg & lv on VA7410 (SAN)
1, HOW TO CREATE LUN.
you use command view sdm to create LUN, for more easy let use X-terminal and issue following commands
#export DISPLAY=yourip:0.0
#laucher
SEE GUIDE.
2, after creating LUN you wil able to see new pv disk
#ioscan -fnC disk
#pvcreate -f /dev/dsk/cxtxdx
#vgcreate ...
#lvcreate
see attache for more detail
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тАО06-01-2005 05:01 AM
тАО06-01-2005 05:01 AM
Re: How to create vg & lv on VA7410 (SAN)
# armtopology server_name
# man armtopology
for more information.
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тАО06-01-2005 05:47 PM
тАО06-01-2005 05:47 PM
Re: How to create vg & lv on VA7410 (SAN)
For identifying the LUN you need to loook at it's hardware path in "ioscan -fnC disk" Output and go thr' SAM, then disk & Filesystems. Then select Disk Devices. You will see some "unsed" disk but make sure that disk is shown unsed from alll nodes in the cluster. If current node has not activated a particular VG then all associated disk are shown unused but the disk may be used on other nodes. This you need to verify.
Now the ioscan output of the VA7410 may be something like this:
"disk 9 0/2/1/0.1.63.0.0.0.6 sdisk CLAIMED DEVICE HP OPEN-V"
Now looking at this path "0/2/1/0.1.63.0.0.0.6" you can judge your new LUN as well.
Hope that helps.
Regards,
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тАО06-04-2005 12:29 AM
тАО06-04-2005 12:29 AM