Re: Clusterware 11.2.0.2 - identifying devices

From: LS Cheng <exriscer_at_gmail.com>
Date: Mon, 21 Mar 2011 10:51:35 +0100
Message-ID: <AANLkTi=RmRbpj70fv9XjMMir-4d7NKC8+sgsLDL5=SbL_at_mail.gmail.com>

Just wondering, can major and minor number change when the storage is reconfigured? For example addking new disks or remove and readd?

I am asking because mknod relies on minor and major numbers, would like to know if these number are persistent even after storage reconfiguration.

Thanks!

--
LSC


On Fri, Mar 18, 2011 at 3:57 PM, D'Hooge Freek <Freek.DHooge_at_uptime.be>wrote:



> Most of the time I use mknod to create character devices (which I can name)

> from the disks and modify the asm_disktring parameter to look at the

> directory holding the character devices.

>

>

> Freek D'Hooge

> Uptime

> Oracle Database Administrator

> email: freek.dhooge_at_uptime.be

> tel +32(0)3 451 23 82

> http://www.uptime.be

> disclaimer: www.uptime.be/disclaimer

>

> -----Original Message-----

> From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org]

> On Behalf Of Lou Avrami

> Sent: vrijdag 18 maart 2011 15:34

> To: oracle-l_at_freelists.org

> Subject: Clusterware 11.2.0.2 - identifying devices

>

> Hello all,

>

> I've encountered a challenge installing 11.2.0.2 RAC on a NetApp FiberSan.

>  I thought I would run it by oracle-l and see if anyone might have a

> solution.

>

> I was doing an advanced installation of RAC 11.2.0.2 on a 2-node Solaris 10

> configuration.  This is for a data warehouse application for a vendor, with

> 80 TBs of storage for the database.

>

> I start the installer, input the SCAN address, set up the virtual IPs and

> SSH connectivity, then come to the "Create ASM Disk Group" screen.  The top

> of the screen populates the name of the disk group as DATA, there are radio

> buttons for redundancy, then there is a box with all of the devices under

> /dev/rdsk, with checkboxes to the left.  It looks like there are at least 6

> screens of these devices.  The list looks like this:

>

>              Device                                   Size MB

> - /dev/rdsk/c10t60A98000486E6476575A62584A594C66d0s2   2091473

> - /dev/rdsk/c10t60A98000486E6476575A62584A612D76d0s2   2097152

> ....

>

> I have a list of devices and what disk groups I want to assign them to ...

> but trying to pick device names out of a list of dozens like the ones above

> in an X-Windows screen is proving to be just about impossible.

>

> Any ideas would be greatly appreciated.

> Should I be looking at a response file?  I've never used a response file

> for a Clusterware installation.

>

> Thanks,

> Lou Avrami

> --

> http://www.freelists.org/webpage/oracle-l

>

>

> --

> http://www.freelists.org/webpage/oracle-l

>

>

>


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Received on Mon Mar 21 2011 - 04:51:35 CDT