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00094 - On-line backup of SAP directories using BRMS
Vendor Master (General Section) CPI1466 during BackupThis documentation is copyright by SAP AG.
On-line backup of SAP directories using BRMS
Thanks for the info. Do you mean the 2749 IOP? We would have to upgrade to4.5 hardware for this...
Sorry, I forgot to mention: Yes, my example below are mixed objects (many
small, a few big, IFS, DLO).
Bernd
----- Original Message -----
From: Glenn Ericson
To: sap400Zm...
Cc: Bernd Schäfers ; Russ.CookZg...
Sent: Monday, December 18, 2000 9:54 PM
Subject: Re: On-line backup of SAP directories using BRMS
The 6501 IOP or 6534 are major limiting factors on your E-11 performance.
With the newer IOP you should get from 60 - 70 GB/ hour. Now this will vary
depending on
- How the tapes were initialized
- The size of the objects being backed up
(many small take longer then few large)
Glenn
__________________________________
Glenn Ericson,
IBM Certified Specialist
Phoenix Consulting LLC
East Elmhurst, NY USA
Phone 718 898 9805 Fax 718 446 1150
mailto:Glenn-EricsonZa...
___________________________________
At 08:25 PM 12/18/2000 +0100, Bernd Schäfers wrote:
>Hi,
>On one system we had to exclude IFS directories according to note 214369.
>I'll get back to you tomorrow re the BRMS control groups (sending this from
>home).
>
>Just for interest, what iSeries hardware (IOP) are you using on this
>machine? We are achieving 3590E save rates of about 45 - 50GB/h on a 720
>with 6501 IOP (offline backup, V4R4). According to IBM the 3590 Ultra-B
>or E should achieve large file save rates of up to 60GB/h with 6501 or 6534
>IOPs.
>
>Thanks,
>Bernd
>
>----- Original Message -----
>From: <Russ.CookZg...>
>To: <sap400Zm...>
>Sent: Monday, December 18, 2000 6:29 PM
>Subject: Online backup of SAP directories using BRMS
>
>
>>
>>
>>
>>
>>
>> I have recently started running an "online" backup using BRMS. When
>> the backup runs, several SAP background jobs cancel during the time
>> period when BRMS is backing up the IFS directories. I believe this
>> to be a result of locking errors on the directories where SAP creates
>> job logs. I would be interested in comparing the BRMS control groups
>> that other SAP users have implemented to perform an online backup of
>> their SAP systems, especially the IFS entries. What SAP IFS
>> directories do you include in your online BRMS backup and what save
>> while active parameters do you use for the IFS link list? Any
>> comments would be appreciated. FYI, we are backing up approximately
>> a 200gb SAP database using a 3590 E11 drive. It is taking
>> approximately 3 hours to backup the database plus several
>> smaller libraries.
>>
>> Kind regards,
>>
>> Russ Cook
>> Gardner Denver
>>
>>
>>
>>
>>
>>
>>
>> Russ Cook
>> Senior SAP Basis Administrator
>> Gardner Denver
>>
>
>
>
>
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