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How to connect 2 Surestore E SC10 disk array together ?

yfmak
Occasional Visitor

How to connect 2 Surestore E SC10 disk array together ?

How to chain connect 2 Surestore E SC10 disk array together and then to a single port SCSI card on an L2000 machine?

Note: I don't have FC60 controller.

Thank you.
5 REPLIES
Steven E. Protter
Exalted Contributor

Re: How to connect 2 Surestore E SC10 disk array together ?

Shalom,

You may be able to daisy chain, them if there is a scsi port not in use on the array. If not, you need an FC60 controller or you simply can't do it.

Daisy chain is likely to harm performance.

You might do better adding another scsi card to the L2000 system.

SEP
Steven E Protter
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Torsten.
Acclaimed Contributor

Re: How to connect 2 Surestore E SC10 disk array together ?

Let's have a look:

in full bus mode disk SCSI ids are fixed to

0 1 2 3 13 8 9 10 11 12

the chassis controllers have

14 15

So what is still unused? HBA(s).

reserved are

7 6 5 4 - that's it - no more IDs.



If you would daisy chain, there will be 20 disks and 4 BCCs + HBA(s) - just too much for SCSI.

Hope this helps!
Regards
Torsten.

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Andrew Rutter
Honored Contributor

Re: How to connect 2 Surestore E SC10 disk array together ?

hi,

i agree, put another scsi card in the l2000.

they are only cheap to buy now, and then you will have good performance and it will be usable

Andy
yfmak
Occasional Visitor

Re: How to connect 2 Surestore E SC10 disk array together ?

Thank you Steven E. Protter , Torsten. and Andrew Rutter . I would like to use daisy-chain to connect . What scsi ports can I use for the connection ?
Torsten.
Acclaimed Contributor

Re: How to connect 2 Surestore E SC10 disk array together ?

"I would like to use daisy-chain to connect"

You cannot.

Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

__________________________________________________
No support by private messages. Please ask the forum!

If you feel this was helpful please click the KUDOS! thumb below!