BandiPat wrote:
Question!
I'm a bit confused on the new kernels and hard drives, optical devices.
According to what I'm reading, any kernel 2.6.19 or above is now using
the new libata module for drives. What this does basically is change
all devices that were labeled as hdxx to sdxx designation. Is that
correct so far?
Now if you have SATA drives, they are already sdxx designated, so no
changes are necessary in Grub or Lilo or /etc/fstab. But, if you have
anything labeled with hdxx, those must be changed to sdxx to be
recognized? Also, if that is correct, what happens to programs like
k3b in seeing the drives?
So let's say I have a dual SATA, not counting the Raid, and those will
be sda & sdb, right?
Now I have two optical devices, cdwriter, dvdwriter as hdc & hdd
presently, so those become sde & sdf now?
sata=sda
sata=sdb
hda=sdc
hdb=sdd
hdc=sde
hdd=sdf
Is my logic right or do optical devices not count in the whole scheme of
things??
thanks,
Lee
Hi Lee,
I would be happier if someone could confirm your logic on this - nobody
seems to have even read your post (and your follow-up).
Yesterday I upgraded my 10.2 installation to 10.3 Alpha1 which, as you
may know, has the 2.6.20 kernel. I also did a new, clean, install of
Alpha1. Neither of these seem to support your findings.
The new, clean install is particularly worrying because it departs
totally from what I am used to when it comes to identifying drives. For
example, the fstab which was generated by the clean install shows this:
dev/disk/by-id/ata-QUANTUM_FIREBALLlct20_20_552102678031-part1 / ext3
acl,user_xattr 1 1
/dev/disk/by-id/ata-QUANTUM_FIREBALLlct20_20_552102678031-part2 swap
swap defaults 0 0
/dev/disk/by-id/ata-QUANTUM_FIREBALLlct20_20_052117040222-part5 swap
swap defaults 0 0
proc /proc proc defaults 0 0
sysfs /sys sysfs noauto 0 0
debugfs /sys/kernel/debug debugfs noauto 0 0
usbfs /proc/bus/usb usbfs noauto 0 0
devpts /dev/pts devpts mode=0620,gid=5 0 0
/dev/fd0 /media/floppy auto noauto,user,sync 0 0
Nowhere is there a hdx or sdx appearing. The sudden appearance of device
ID number is a bit worrying (seeing as how MS is not on the scene).
When I UPGRADED an existing 10.2 installation, 10.3 Alpha with its
2.6.20 kernel had no troubles in working with the old hdx naming
convention and the fstab was left untouched.
HOWEVER, in both instances there was one weird anomaly: in the Control
Centre under Hardware the IDE DMA MODE there were NO entries. This list
is totally BLANK in both cases as if no devices are present.
Something somewhere is not kosher.
Cheers.
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