Mailinglist Archive: opensuse (2086 mails)
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Re: [opensuse] opensuse-10,3beta2 on on64bit: IDE disk gets recognised as /dev/sda
- From: "Carlos E. R." <robin.listas@xxxxxxxxxxxxxx>
- Date: Fri, 24 Aug 2007 21:39:13 +0200 (CEST)
- Message-id: <Pine.LNX.4.64.0708242130480.30431@xxxxxxxxxxxxxxxx>
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The Friday 2007-08-24 at 15:04 -0400, Patrick Shanahan wrote:
> * Carlos E. R. <robin.listas@> [08-24-07 14:20]:
> > Well, they can assign developers to scsi and develop patches that add
> > support for more than 16 partitions to scsi modules. If technically
> > possible, of course (I don't know what is the origin of that limit).
> > Or invent something different than scsi for both scsi and ata.
>
> iirc, original scsi design had 8 channels and a later extended version
> had 16, but you were only able to utilize 7/15 of those as the scsi
> system needed the 0 channel for itself.
But... aren't channels the devices connected to the same cable (bus)? Ugh,
just looked it up in the wikipedia and there is no mention of what
"channels" are.
I can see a "reasonable reason" to limit devices to 8 or 16 (limit the
number of cables), but not for the number of partitions inside a device.
For small disks, maybe, but with the size of disks nowdays, 16 partitions
is absurd.
> BUT, I *am* approaching the age where facts may not necessarily be
> facts anymore :^)
Heh!
- --
Cheers,
Carlos E. R.
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The Friday 2007-08-24 at 15:04 -0400, Patrick Shanahan wrote:
> * Carlos E. R. <robin.listas@> [08-24-07 14:20]:
> > Well, they can assign developers to scsi and develop patches that add
> > support for more than 16 partitions to scsi modules. If technically
> > possible, of course (I don't know what is the origin of that limit).
> > Or invent something different than scsi for both scsi and ata.
>
> iirc, original scsi design had 8 channels and a later extended version
> had 16, but you were only able to utilize 7/15 of those as the scsi
> system needed the 0 channel for itself.
But... aren't channels the devices connected to the same cable (bus)? Ugh,
just looked it up in the wikipedia and there is no mention of what
"channels" are.
I can see a "reasonable reason" to limit devices to 8 or 16 (limit the
number of cables), but not for the number of partitions inside a device.
For small disks, maybe, but with the size of disks nowdays, 16 partitions
is absurd.
> BUT, I *am* approaching the age where facts may not necessarily be
> facts anymore :^)
Heh!
- --
Cheers,
Carlos E. R.
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