one more time....
On Dec 28, 2007 9:22 PM, James Dickens <[EMAIL PROTECTED]> wrote: > s > > On Dec 5, 2007 4:48 AM, Jürgen Keil <[EMAIL PROTECTED]> wrote: > > > > > I use the following on my snv_77 system with 2 > > > > internal SATA drives > > > > that show up with the 'ahci' driver. > > > > > > Thanks for the tip! I saw my BIOS had a setting for > > > SATA mode, but the selections are "IDE or RAID". It > > > was in IDE and I figured RAID mode just enabled one > > > of those silly low performance 0/1 settings...Didn't > > > know it kicked it into AHCI...But it did! > > > > > > Unfortunetly my drives aren't recognized now...I've > > > asked over in the device list what's up.... > > > > That's the expected behaviour :-/ The physical device path > > for the root disk has changed by switching the S-ATA > > controller between P-ATA emulation and AHCI mode, and > > for that reason the root disk now uses a different device name > > (e.g. /dev/dsk/c2t0d0s0 instead of /dev/dsk/c0d0s0). > > > > The old device name that can be found in /etc/vfstab isn't > > valid any more. > > > > If you have no separate /usr filesystem, this can be fixed > > with something like this: > > > > - start boot from the hdd, this fails when trying to remount the > > root filesystem in read/write mode, and offers a single user login > > > > - login with the root password > > > > - remount the root filesystem read/write, using the physical > > device path for the disk from the /devices/... filesystem. > > The "mount" command should show you the physical device > > path that was used to mount the "/" filesystem read only. > > > > Example for the remount command: > > > > # mount -o remount,rw /devices/[EMAIL PROTECTED],0/pci1043,[EMAIL > > PROTECTED]/[EMAIL PROTECTED],0:a / > > > > - Run "devfsadm -v" to create new /dev links for the disks (on > > the ahci controller) > > > > - run "format"; the "AVAILABLE DISK SELECTIONS" menu should show > > you the new device name for the disk > > > > # format > > Searching for disks...done > > > > > > AVAILABLE DISK SELECTIONS: > > 0. c2t0d0 <DEFAULT cyl 48638 alt 2 hd 255 sec 63> > > /[EMAIL PROTECTED],0/pci1043,[EMAIL PROTECTED]/[EMAIL PROTECTED],0 > > > > - now that we know the new disk device name, edit /etc/vfstab > > and update all entries that reference the old name with the new > > name > > > > - reboot > > > > Excellent tip, appears to have solved my problem. though my mother board > had a 3rd option that was AHCI mode, the raid mode didn't work with solaris > See my blog for system details. > > > James Dickens > uadmin.blogspot.com > > > > > > This message posted from opensolaris.org > > _______________________________________________ > > xen-discuss mailing list > > [EMAIL PROTECTED] > > > >
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