Re: [Veritas-bu] NDMP NetApp vfiler & millions of files...

Subject:

From:

Boris Kraizman <sysadminzone AT gmail DOT com>

To:

A Darren Dunham <ddunham AT taos DOT com>

Date:

Wed, 3 Jun 2009 18:03:33 -0400

On Wed, Jun 3, 2009 at 2:50 PM, A Darren Dunham <ddunham AT taos DOT com> wrote:

On Wed, Jun 03, 2009 at 12:09:23PM +0530, Praveen Gupta wrote:
> Block size could play a role. Increasing the "SIZE_DATA_BUFFERS" to say,
> 256k, might help. You need to set "SIZE_DATA_BUFFERS_NDMP" also.

Sounded to me like the OP is doing direct NDMP. Those buffer settings
only affect remote NDMP.

I don't have "SIZE_DATA_BUFFERS_NDMP", just regular buffer settings set to 256k, I did change the buffer setting on the Celerra, and I tested with a Solaris media server today, I saw over 70 megabytes /sec on LTO3 tape drives. I also tried multi streaming and multiple jobs. I am planing to team the NICs on the backup media server as well to see if it gives any diffirance. Then I will see how 5T of data will be running.

Thanks,
Boris

--
Darren

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