[Veritas-bu] NBU Data Buffer Sizes (continued)
2001-05-09 05:54:49
Well spotted.
I should point out my previous emails in relation to this issue did not
take into account Max. MPX per tape drive.
Regards
Peter Marelas
> -----Original Message-----
> From: Dave Pearson (EML) [SMTP:Dave.Pearson AT eml.ericsson DOT se]
> Sent: Wednesday, 9 May 2001 7:28 PM
> To: 'veritas-bu AT mailman.eng.auburn DOT edu'
> Subject: [Veritas-bu] NBU Data Buffer Sizes (continued)
>
> Please note my previous message referred to our Sun E450 master server
> running Solaris 2.6. Other operating
> systems will have their own restrictions on the use of shared memory.
>
> Veritas tech note 183701 tells you how to calculate the amount of shared
> meory, i.e.
>
> SIZE_DATA_BUFFERS * NUMBER_DATA_BUFFERS * No. of tape drives * Max. MPX
> per tape drive
>
> Our system has the values 64k and 96 for the first two parameters, 4 tape
> drives and an MPX of 8. This gives a total
> of 196Mb of shared memory.
>
>
>
> Dave Pearson
> Ericsson Mobile Communications (UK) Ltd.
> * +44-1256-864700
> * dave.pearson AT eml.ericsson DOT se
>
>
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