[Ocfs2-users] OCFS2 volumes do no mount automatically on RHEL4 also
Zafar_Mahmood at Dell.com
Zafar_Mahmood at Dell.com
Tue Jun 28 13:30:59 CDT 2005
On RHEL4 also, the service o2cb starts later than _netdev device mounts.
So mount fails. Should the o2cb service start earlier to fix this?
Zafar
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Today's Topics:
1. Re: mounting ocfs2 partitions on boot (Sunil Mushran)
2. Dual NICs for OCFS2 (Ivan Vasquez)
3. Re: Dual NICs for OCFS2 (Zach Brown)
----------------------------------------------------------------------
Message: 1
Date: Mon, 27 Jun 2005 11:46:15 -0700
From: Sunil Mushran <Sunil.Mushran at oracle.com>
Subject: Re: [Ocfs2-users] mounting ocfs2 partitions on boot
To: Jan Schmidt <schmidt4 at uni-greifswald.de>
Cc: ocfs2-users at oss.oracle.com
Message-ID: <42C04977.1070205 at oracle.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
SLES does not appear to have the script to support mounting
_netdev devices on boot.
So, add the command(s) in /etc/init.d/boot.local to explicitly
mount the volume(s) on bootup.
mount -t ocfs2 /dev/sdX /dir
Jan Schmidt wrote:
>
> It seems, that the volumes are not mounted automatically on SLES9. Are
> there any
> further requirements to make this work? After adding _netdev at fstab
> I can boot the
> system without mount errors, but the volumes are not mounted after
> ocfs2 is available
> and before the OCM, database etc. are started.
>
> At 00:24 25.06.2005, Sunil Mushran wrote:
>
>> 1. Specify load on boot in o2cb configure.
>> 2. Specify device as _netdev in /etc/fstab.
>>
>> /dev/sdc1 /ocfs ocfs2
>> _netdev,defaults 0 0
>>
>> It works.
>>
>> Jan Schmidt wrote:
>>
>>> Hi list,
>>>
>>> today, I installed a two node Oracle 10g RAC system on SLES9 SP2 RC2
>>> which shares
>>> (via a SAN) a database volume and a quorum (ocr and voting). This
>>> volumes are formated
>>> with ocfs2 - so far no problem.
>>> At the moment I'm stuck with the mounting of these volumes at boot
>>> time. The user-guide
>>> of ocfs2-tools mentions to add the corresponding lines to fstab -
>>> but at the time when
>>> fstab is processed the ocfs2 cluster isn't available (it will be
>>> started later).
>>> Is there any way (without hacking rc scripts etc.) to load this
>>> volumes as boot time?
>>>
>>> Thanks
>>> Jan Schmidt
>>>
>>> _______________________________________________
>>> Ocfs2-users mailing list
>>> Ocfs2-users at oss.oracle.com
>>> http://oss.oracle.com/mailman/listinfo/ocfs2-users
>>
>
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------------------------------
Message: 2
Date: Tue, 28 Jun 2005 10:03:12 -0400
From: "Ivan Vasquez" <ivan at itos.uga.edu>
Subject: [Ocfs2-users] Dual NICs for OCFS2
To: <ocfs2-users at oss.oracle.com>
Message-ID:
<E847569A71B97E418C1BD5315164F98FDE48D3 at HERMES.itos.uga.edu>
Content-Type: text/plain; charset="US-ASCII"
To avoid a single point of failure, we are configuring an Oracle cluster
with two private NICs per node. They are directly attached via crossover
cable to its peer on the other server (two-node cluster).
How can we tell OCFS2 that it has available a second card?
Here is our cluster.conf:
node:
ip_port = 7777
ip_address = 10.10.2.1
number = 0
name = neo
cluster = rac
node:
ip_port = 7777
ip_address = 10.10.2.2
number = 1
name = trinity
cluster = rac
cluster:
node_count = 2
name = rac
Thanks,
Ivan
------------------------------
Message: 3
Date: Tue, 28 Jun 2005 09:33:59 -0700
From: Zach Brown <zach.brown at oracle.com>
Subject: Re: [Ocfs2-users] Dual NICs for OCFS2
To: Ivan Vasquez <ivan at itos.uga.edu>
Cc: ocfs2-users at oss.oracle.com
Message-ID: <42C17BF7.3060402 at oracle.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Ivan Vasquez wrote:
> To avoid a single point of failure, we are configuring an Oracle
cluster
> with two private NICs per node. They are directly attached via
crossover
> cable to its peer on the other server (two-node cluster).
>
> How can we tell OCFS2 that it has available a second card?
OCFS2 doesn't specifically deal with this setup itself. You can
configure the two interfaces to be bonded into a single logical one in
the kernel and OCFS2 will use that bonded interface, via its IP address,
just like it would a typical single interface.
A good place to start might be the kernel's documentation of this
functionality. It mentions that some distributions have config files
that help manage the bonded interfaces.
http://lxr.linux.no/source/Documentation/networking/bonding.txt
- z
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