On Mon, 20 Oct 2003, Shachar Shemesh wrote: > Hi all,
Hi, > I have recently bought a new hardisk. aside from the vast new spaces now > available to me, I have a couple of questions. > 1. > I partitioned the disk to segments (copied my old system over instead of > reinstalling - worked great). /usr resides on a different partition. I > have a couple of programs that install into /opt, however. I did not > want them to share filesystem with /, and I did not want to open a new > partition for them (space fragmentation, and never mind that I have over > 40GB of unpartitioned space in case I need them, and that I have data > that used to fit into an 11GB partition now sitting on 60GB). > > What I did was to create a directory called /usr/opt, and mount it with > "mount --bind /usr/opt /opt". Now here's the question - is there a way > to put such mapping into /etc/fstab, so it will be performed > automatically on each boot? I know I can do that with boot scripts, but > I rather have all partition information into one place. Is there > possibly a way to use some mount option instead of a mount command line > option? Why not simply ln -s /usr/opt /opt? Don't know about your question. > 2. > On boot, I get the following message: > "Assuming 33MHz bus. Use idebus=xx to override". I traced it to the > ide-core module. As my new disk is ATA133 (my IDE is only 100, but let's > not be petty), I want to use full speed. I tried putting "options > ide-core idebus=100" into /etc/modules.conf. I can confirm that the > initrd image has that option, but I still get this line during boot. I > tried passing it as a kernel command (append in lilo.conf) - no juice. I have passed idebus=66 to kernel and it worked out. Try 66 first. > These are two questions, which are pretty unrelated - should I at all be > worried about this? It seems to me like ide-core uses some temporary > driver until the proper driver, piix, is loaded. Is this message still > relevant when my system is up? Is there any way for me to confirm this? Perhaps hdparm benchmarks? Oh I couldn't confirm this myself too. > The second question is how do I pass this parameter. Even if it doesn't > matter, it annoys me when something tells me "use this paramter", and > goes on to say so even after I have /used/ that parameter. > > And here is one last question, to make my couple of questions a nice > round 4 - how do I check which PIO mode my IDE is using? hdparm has an > option to set PIO, but not to check what it is. I tried using hdparm's > benchmark with the various settings, and could spot no difference whats > o' ever. Still... Actually it should not use PIO, in favor of DMA. BTW hdparm -I would show the supported modes, with a start character showing the enabled mode. > Shachar behdad, who is going to study after finishing this mail. ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]
