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тАО03-26-2009 02:45 AM
тАО03-26-2009 02:45 AM
device files
Hi All,
We are setting up Oracle RAC in Hp-ux 11.31 OS.
Requirement is they need same logical name and same major & minor no. for the shared SAN devices-
Here same physical shared device i.e. c7t0d6 is shown as disk165 on one server and disk53 on second server.
But need to have same logical name with same major & minor no.
Please provide the detials -
NODE 1:
Node 1 # ls -ld /dev/rdsk/c7t0d6
crw-r----- 1 bin sys 188 0x070600 Mar 21 04:49 /dev/rdsk/c7t0d6
node1 # ioscan -m dsf /dev/rdsk/c7t0d6
Persistent DSF Legacy DSF(s)
========================================
/dev/rdisk/disk165 /dev/rdsk/c7t0d6
node 1 # ls -ld /dev/rdisk/disk165
crw-r----- 1 bin sys 22 0x000020 Mar 23 15:38 /dev/rdisk/disk165
NODE 2 :
node 2 # ioscan -m dsf /dev/rdsk/c7t0d6
Persistent DSF Legacy DSF(s)
========================================
/dev/rdisk/disk53 /dev/rdsk/c7t0d6
node2 # ls -ld /dev/rdisk/disk165
/dev/rdisk/disk165 not found
node 2 # ls -ld /dev/rdisk/disk53
crw-r----- 1 bin sys 22 0x00000f Mar 23 13:18 /dev/rdisk/disk53
Thanks
Ravikant
We are setting up Oracle RAC in Hp-ux 11.31 OS.
Requirement is they need same logical name and same major & minor no. for the shared SAN devices-
Here same physical shared device i.e. c7t0d6 is shown as disk165 on one server and disk53 on second server.
But need to have same logical name with same major & minor no.
Please provide the detials -
NODE 1:
Node 1 # ls -ld /dev/rdsk/c7t0d6
crw-r----- 1 bin sys 188 0x070600 Mar 21 04:49 /dev/rdsk/c7t0d6
node1 # ioscan -m dsf /dev/rdsk/c7t0d6
Persistent DSF Legacy DSF(s)
========================================
/dev/rdisk/disk165 /dev/rdsk/c7t0d6
node 1 # ls -ld /dev/rdisk/disk165
crw-r----- 1 bin sys 22 0x000020 Mar 23 15:38 /dev/rdisk/disk165
NODE 2 :
node 2 # ioscan -m dsf /dev/rdsk/c7t0d6
Persistent DSF Legacy DSF(s)
========================================
/dev/rdisk/disk53 /dev/rdsk/c7t0d6
node2 # ls -ld /dev/rdisk/disk165
/dev/rdisk/disk165 not found
node 2 # ls -ld /dev/rdisk/disk53
crw-r----- 1 bin sys 22 0x00000f Mar 23 13:18 /dev/rdisk/disk53
Thanks
Ravikant
3 REPLIES 3
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тАО03-26-2009 03:02 AM
тАО03-26-2009 03:02 AM
Re: device files
Shalom,
I answered this question yesterday:
http://forums13.itrc.hp.com/service/forums/questionanswer.do?threadId=1326671
SEP
I answered this question yesterday:
http://forums13.itrc.hp.com/service/forums/questionanswer.do?threadId=1326671
SEP
Steven E Protter
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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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тАО03-26-2009 03:19 AM
тАО03-26-2009 03:19 AM
Re: device files
We are creating any volumes r logical volume. we are using simple raw device for RAC setup.
How I can make smae device name i.e. disk165 ( c7t0d6) and disk53 ( c7t0d6) for shared common SAN device.
mkfs will help me here ?
Regards,
Ravikant
How I can make smae device name i.e. disk165 ( c7t0d6) and disk53 ( c7t0d6) for shared common SAN device.
mkfs will help me here ?
Regards,
Ravikant
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тАО03-26-2009 04:23 AM
тАО03-26-2009 04:23 AM
Re: device files
First node:
pvcreate -f /dev/rdsk/c7t0d6
mkdir /dev/vg01
mknod /dev/vg01/group c 64 0x060000 - Major number will always be 64 but the minor number must be unique
vgcreate /dev/vg01 /dev/dsk/c7t0d6
vgchange -a y vg01
Then , create logical volumes
lvcreate -n control_01.ctl -L 110 /dev/vg01
Then
vgchange -a n vg01
vgexport -v -s -p -m /tmp/vg01.map
On the second:
mkdir /dev/vg01
mknod /dev/vg01/group c 64 0x060000
vgimport -v -s -m /tmp/vg01 /dev/vg01
pvcreate -f /dev/rdsk/c7t0d6
mkdir /dev/vg01
mknod /dev/vg01/group c 64 0x060000 - Major number will always be 64 but the minor number must be unique
vgcreate /dev/vg01 /dev/dsk/c7t0d6
vgchange -a y vg01
Then , create logical volumes
lvcreate -n control_01.ctl -L 110 /dev/vg01
Then
vgchange -a n vg01
vgexport -v -s -p -m /tmp/vg01.map
On the second:
mkdir /dev/vg01
mknod /dev/vg01/group c 64 0x060000
vgimport -v -s -m /tmp/vg01 /dev/vg01
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