[dba-Tech] Performance in disc partitions

Thanks, John,
very helpful information.

Lembit

----- Original Message ----- 
From: "DJK(John) Robinson" <djkr at msn.com>
To: "'Discussion of Hardware and Software issues'" 
<dba-tech at databaseadvisors.com>
Sent: Monday, January 28, 2008 10:03 PM
Subject: Re: [dba-Tech] Performance in disc partitions


> NO!  Pardon my shout, but PCIX ain't PCIE!!
>
> PCI-X is PCI Extended, is aimed at servers, and is effectively an 
> extension
> of PCI, only wider (64-bit) and a factor faster than PCI's 33MHz (66 or
> 133MHz, for instance).  Sockets are usually white, like PCI's, but longer.
>
> PCI-E or PCI Express is more recent, sockets are typically black, and size
> depends on the number of lanes potentially available, eg x1, x4, x16.
> Though sometimes a larger socket has fewer lanes functional.
>
> PCI, PCI-X and PCI-E are mutually incompatible plug-and-socket-wise, so
> cannot be mixed up, even intentionally.  Here's a motherboard with all
> three:
> http://www.supermicro.com/products/motherboard/Xeon3000/3210/X7SBA.cfm
>
> 'Express' is not 'Extended', and though both names begin with 'ex', one is
> 'E' and the other is 'X'.  Do not confuse!
>
> HTH
> John
>
>
> -----Original Message-----
> From: dba-tech-bounces at databaseadvisors.com
> [mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of jwcolby
> Sent: 28 January 2008 19:48
> To: 'Discussion of Hardware and Software issues'
> Subject: Re: [dba-Tech] Performance in disc partitions
>
>
> Yea, PCIE.  The new connectors with 1,4,8 or 16 "serial" data paths to the
> card.  My RAID card uses a PCIE with 8x channels.  Everyone was saying 
> that
> you have to be careful what motherboard, it has to be "compatible" etc.  I
> have used it in two different MBs, neither of which was on their
> "compatible" list.
>
>
> John W. Colby
> Colby Consulting
> www.ColbyConsulting.com
> -----Original Message-----
> From: dba-tech-bounces at databaseadvisors.com
> [mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Lembit Soobik
> Sent: Monday, January 28, 2008 2:29 PM
> To: Discussion of Hardware and Software issues
> Subject: Re: [dba-Tech] Performance in disc partitions
>
> I still have a FastTrack ISA card in one PC - still works fine, supporting
> 2x2 drives RAID 1each. And last year I was going to buy a card to hook up
> SATA drives on one MB that doesnt have SATA connectors. Had to search PCI
> card - most cards are PCIE, which this MB doesnt have.
>
> Each time I turn around, I find I cannot upgrade or replace this or that,
> but that's the trick in PC business: You have to buy a new Computer every 
> 3
> to 4 years.
>
> Lembit
> BTW, what's PCIX? is it 'extended'? I know extended as PCIE.
>
> ----- Original Message -----
> From: "jwcolby" <jwcolby at colbyconsulting.com>
> To: "'Discussion of Hardware and Software issues'"
> <dba-tech at databaseadvisors.com>
> Sent: Monday, January 28, 2008 7:38 PM
> Subject: Re: [dba-Tech] Performance in disc partitions
>
>
>> ROTFL.  Well aren't YOU the grinch!
>>
>> This actually happened to me with a video card but that was because
>> the video card socket type went away.  However RAID cards do not use
>> video card sockets, they either use PCI or PCIX.  PCI might very well
>> go away someday soon.  PCIX not a chance.  Not SOON anyway.
>>
>>
>> John W. Colby
>> Colby Consulting
>> www.ColbyConsulting.com
>
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