Re: Lilo configuration, device 0900 not known

1999-09-19 Thread Luca Berra
On Sun, Sep 19, 1999 at 11:31:45AM -0400, James Manning wrote: > This is something I never quite understood... why wouldn't lilo just > blindly write to the mbr of /dev/md0? Let the s/w raid code handle > putting that on the mirrors *shrug*... Is it as simple as having lilo > check the block majo

Re: RAID is now working...

1999-09-19 Thread David Cooley
At 11:02 PM 9/19/1999 +0200, Florian Lohoff wrote: >As i understand Dave and the Source on every initializing of the Cards >the firmware gets loaded into the chips ... So you will always >end up with the firmware in the driver ... Yep... Looking at the code in qlogicpti.c that's what it does...

Re: [PATCH v2] raid1 balancing

1999-09-19 Thread Elie Rosenblum
On Sun, Sep 19, 1999 at 02:52:27PM -0400, James Manning wrote: > In terms of possible future legacy problems, if you have any data slots > in your superblock for such tuning parameters, future raid patches > will have to respect that slot as taken from here on out... if param > "foo" was taking by

Re: RAID is now working...

1999-09-19 Thread Florian Lohoff
On Fri, Sep 17, 1999 at 09:50:55PM -0400, David A. Cooley wrote: > At 06:41 PM 9/17/99 -0700, David S. Miller wrote: > >Date: Fri, 17 Sep 1999 20:44:54 -0400 > >From: "David A. Cooley" <[EMAIL PROTECTED]> > > > >Anyone know where I can get a firmware upgrade for the Qlogic SBUS > >

Re: Performance :Raid0, 1 fast and 1 slow drive.

1999-09-19 Thread James Manning
[ Sunday, September 19, 1999 ] Glenn McGrath wrote: > Should the maximum performance of raid0 be twice the speed of the slowest > drive, or the agregate of the two drives speed ? > What speeds are achievable practically? Amdahl's Law :) For separate IDE channels or SCSI, or any other situation w

Performance :Raid0, 1 fast and 1 slow drive.

1999-09-19 Thread Glenn McGrath
Hi, in my current raid setup i have one fast drive (Quantum KA), and one slow drive (Quantum ST). I am not useing the Quantum KA in UDMA mode (old motherboard; PIIX3 controller) but the question is still relavent i believe. Should the maximum performance of raid0 be twice the speed of the slowest

Re: [PATCH v2] raid1 balancing

1999-09-19 Thread James Manning
[ Sunday, September 19, 1999 ] CJones wrote: > Gadi Oxman wrote: > > On Sat, 18 Sep 1999, James Manning wrote: > > > Well, I tried booting and it died with some SYSCTL() errors (figures :) > > > so if it looks like the patch at least has the right idea, let me know > > > and I'll try fixing up the

Re: [PATCH v2] raid1 balancing

1999-09-19 Thread CJones
Gadi Oxman wrote: > > On Sat, 18 Sep 1999, James Manning wrote: > > > [ Saturday, September 18, 1999 ] James Manning wrote: > > > Ok, I wrote a patch that passes the ctl_table pointer of > > > /proc/dev/md as the param for raid?_init, but noticed differing > > > opinions on return values (althou

Re: Lilo configuration, device 0900 not known

1999-09-19 Thread James Manning
[ Sunday, September 19, 1999 ] Harald Milz wrote: > Egon Eckert <[EMAIL PROTECTED]> wrote: > > It works. 0x901 should work too, I think. :-) > > Will it automatically boot from the second harddisk if the first one is > broke? This may be a dumb question but I didn't follow the development for >