Re: Clusterware 11.2.0.2 - identifying devices

Thanks

On Mon, Mar 21, 2011 at 1:00 PM, Amaral, Rui <Rui.Amaral_at_tdsecurities.com>wrote:

> Major numbers are specific to the device type and shouldn’t change on a
> reboot. Minors are dynamically allocated to the devices and can change on
> reboot after reconfigurations.
>
>
> ------------------------------
>
> *From:* oracle-l-bounce_at_freelists.org [mailto:
> oracle-l-bounce_at_freelists.org] *On Behalf Of *LS Cheng
> *Sent:* Monday, March 21, 2011 5:52 AM
> *To:* Freek.DHooge_at_uptime.be
> *Cc:* avramil_at_concentric.net; oracle-l_at_freelists.org
> *Subject:* Re: Clusterware 11.2.0.2 - identifying devices
>
>
>
> 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
>
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>
>
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