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Re: [Linux-cluster] Linux-cluster Digest, Vol 84, Issue 29





On Mon, Apr 25, 2011 at 9:30 PM, <linux-cluster-request redhat com> wrote:
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Today's Topics:

  1. GFS2 versus ext3/4 (Devrim G?ND?Z)
  2. Re: GFS2 versus ext3/4 (Fajar A. Nugraha)
  3. Re: GFS2 versus ext3/4 (Devrim G?ND?Z)


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Message: 1
Date: Mon, 25 Apr 2011 08:46:10 +0300
From: Devrim G?ND?Z <fedora-list gunduz org>
To: linux-cluster redhat com
Subject: [Linux-cluster] GFS2 versus ext3/4
Message-ID: <1303710370 21043 603 camel lenovo01-laptop03 gunduz org>
Content-Type: text/plain; charset="utf-8"


Are there any downsides of using ext3/4 on a shared-storage setup with
active/passive cluster?

I'm working on a new PostgreSQL clustering setup, and I'm hardly
convinced that GFS2 will have more protection against ext3/4.

-- of course, I'm assuming that I'm fencing both nodes properly, so that
their connection with storage is cut off when needed.

Regards,
--
Devrim G?ND?Z
Principal Systems Engineer @ EnterpriseDB: http://www.enterprisedb.com
PostgreSQL Dan??man?/Consultant, Red Hat Certified Engineer
Community: devrim~PostgreSQL.org, devrim.gunduz~linux.org.tr
http://www.gunduz.org  Twitter: http://twitter.com/devrimgunduz
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Message: 2
Date: Mon, 25 Apr 2011 13:15:10 +0700
From: "Fajar A. Nugraha" <list fajar net>
To: linux clustering <linux-cluster redhat com>
Subject: Re: [Linux-cluster] GFS2 versus ext3/4
Message-ID: <BANLkTikDdDK_HJrQZQcZwpJyGjzwfEEmJA mail gmail com>
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2011/4/25 Devrim G?ND?Z <fedora-list gunduz org>

>
> Are there any downsides of using ext3/4 on a shared-storage setup with
> active/passive cluster?
>
>
If you're sure that only one node can mount it, using ext3/4 gives more
performance compared to gfs(2).

--
FAN
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Message: 3
Date: Mon, 25 Apr 2011 09:42:32 +0300
From: Devrim G?ND?Z <fedora-list gunduz org>
To: linux clustering <linux-cluster redhat com>
Subject: Re: [Linux-cluster] GFS2 versus ext3/4
Message-ID: <1303713752 21043 622 camel lenovo01-laptop03 gunduz org>
Content-Type: text/plain; charset="utf-8"

On Mon, 2011-04-25 at 13:15 +0700, Fajar A. Nugraha wrote:
>
> If you're sure that only one node can mount it, using ext3/4 gives
> more performance compared to gfs(2).

There is no 100% guarantee for it, but of course, it might be worth
trying then.

Regards,
--
Devrim G?ND?Z
Principal Systems Engineer @ EnterpriseDB: http://www.enterprisedb.com
PostgreSQL Dan??man?/Consultant, Red Hat Certified Engineer
Community: devrim~PostgreSQL.org, devrim.gunduz~linux.org.tr
http://www.gunduz.org  Twitter: http://twitter.com/devrimgunduz
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End of Linux-cluster Digest, Vol 84, Issue 29
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