Look at /usr/lpp/bos/README for information on etherchannel.
Jim Sporer
At 04:22 PM 9/25/2001 +0400, you wrote:
>Hi,
>
>We have AIX 4.3.3 on a P660, TSM Server 4.2 and TDP for R/3 V3.2. We want to
>be able to backup/restore 200Gbytes/Hour using 4 parallel 3590E's. To do
>this
>we will be putting in a Cisco Gigabit switch. My questions are
>
>1) Will a single Gigabit without compression be able to meet this? I
>calculate
>gigabit at 50-60% utilization.
>
>2) To improve availability we are considering Etherchannel. Can you mix
>100Base T
>and Gigabit? If yes, will the connection still work if you lose either?
>
>Kind regards
>
>Mike Wiggan,
>Infrastructure Integration Specialist
>Petroleum Devlopment Oman LLC
>([EMAIL PROTECTED])
>
>
>
>
>
>-----Original Message-----
>From: Jeff Bach [mailto:[EMAIL PROTECTED]]
>Sent: 25 September 2001 00:24
>To: [EMAIL PROTECTED]
>Subject: Re: Etherchannel and EBU backups.
>
>
>The original question was what can you do and with what setup.
>
>
>
>HP client OS, Informix Database, 100 Base T on the client to four Gigabits
>autoport aggregated together on the server(4.3.3 AIX and 4.1.3 TSM) . The
>database backup is configured and runs 6 onbar processes at the same time
>for the backup. Client compression on. EMC client disk storage. 1 SSA
>array server with each session going to a separate disk drive.
>
>Results: 131 Gigs per hour. (59 Gigs in 27 minutes) No server CPU,
>memory, or database constraint.
>
>I use 4 Gigabit ethernets on the server using autoport aggregation. I use
>Gigabit to be able to scale the number of clients.
>
>Jeff Bach
>Home Office Open Systems Engineering
>Wal-Mart Stores, Inc.
>
>WAL-MART CONFIDENTIAL
>
>
> -----Original Message-----
> From: Eric Winters [SMTP:[EMAIL PROTECTED]]
> Sent: Sunday, September 23, 2001 12:04 AM
> To: [EMAIL PROTECTED]
> Subject: Re: Etherchannel and EBU backups.
>
> I've had some feedback re my attached note explaining that whilst it
>will
> work, all four sessions would operate through a single interface on
>the
> client and a single interface at the TSM server end, not improving
>my
> throughput a jot.
>
> Forgetting Etherchannel for a moment, is there any way that an
>EBU/TDP for
> Oracle can direct individual parallel sessions to different TSM
>servers? I
> don't see how - as I understand it the entire database instance is
>sent
> with optionally multiple parallel sessions to a single TSM server.
>Of
> course I don't really want to backup to separate servers, but I do
>want to
> backup to 4 different IP addresses. Can I do this?
>
> Regards,
>
> Eric Winters
> I
>
>
> I'm interested in determining if etherchannel and EBU/TDP for
>Oracle, might
> be effective in reducing backup times.
>
> Client system: AIX 4.3.3, uses Oracle 7 and backs up using EBU via
>TDP for
> Oracle 2.1
> Server system: AIX 4.3.3 and TSM Server 3.7
>
> Network interfaces today are 100 MB ethernet, a single adapter in
>each
> system.
>
> Proposal is to speed up backups by using 4 ethernet adapters in both
>the
> client and the server and use Etherchannel. 4 parallel sessions
>would be
> set in the EBU script. A much larger database will be implemented
>shortly
> and etherchannel looks attractive, providing TDP for Oracle will use
>4
> concurrent sessions, which I think it should.
>
> Can anyone confirm that the above should be a workable solution? Is
>anyone
> doing this?
>
>
> Thanks people,
>
> Eric Winters
>
>
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