I am very confused and would appreciate some help on device
renameing or on renumbering on current fstab.
Freddie Cash
fjwcash at gmail.com
Wed May 4 16:03:06 UTC 2011
On Wed, May 4, 2011 at 8:16 AM, krad <kraduk at gmail.com> wrote:
> On 4 May 2011 04:13, Jason Hellenthal <jhell at dataix.net> wrote:
>> Edwin,
>>
>> >>> >> /dev/acd0 /cdrom cd9660 ro,noauto 0
>> 0
>> >>> >> /dev/acd1 /cdrom1 cd9660 ro,noauto 0
>> 0
>>
>> As a side note. These are also now useless & can be sent to /dev/null for
>> extra padding ;)
>>
>> Shouldn't cause no harm being there but just for reference.
>>
> Just a sanity check here people, but if the machine was built with freebsd
> 6.x i would guess it machine is a few years old. If so i doubt the hardware
> would support ahci, and therefore wouldn't have the ada type devices, it
> would have the old ad style ata ones and therefore noe fstab twiddling
> should be necessary.
>
> Forgive me if im missing something here.
If you enable "options ATA_CAM" in the kernel, which uses the old
ata(4) driver via some cam(4) shims, then you also get the adaX device
nodes.
There's currently 4 ways to access PATA/SATA disks:
- old-style ata(4) using adX device nodes
- old-style ata(4) using ataahci(4) for ACHI-like access to
PATA/SATA disks, I believe using adX
- old-style ata(4) via ATA_CAM using adaX device nodes
- new-style ahci(4)/siis(4)/another(4) using adaX device nodes
I forget the name of the other AHCI-style driver.
The first two options uses atacontrol to manage the disks. The last
two options use camcontrol to manage the disks.
I believe the plan in 9.0 is to have everything accessed via
ATA_CAM/ahci(4) so all PATA/SATA drives show up the same, as adaX,
with everything being managed via camcontrol, finally unifying all
PATA/SATA/SCSI/SAS disk access via cam(4).
--
Freddie Cash
fjwcash at gmail.com
More information about the freebsd-current
mailing list