Messages in this thread | | | Date | Tue, 19 Mar 2002 14:33:27 -0800 (PST) | From | Andre Hedrick <> | Subject | Re: [patch] My AMD IDE driver, v2.7 |
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Pavel,
No, it is called being a "BAD HOST". Things were added before the infrastructure was complete to support feature. Thus the feature is now a BUG. Sorry but that is the simple true, one of the reasons why I asked you to delay but it is not important now.
Regards,
Andre Hedrick Linux Disk Certification Project Linux ATA Development
On Tue, 19 Mar 2002, Pavel Machek wrote:
> Hi! > > > > > commands. With the proper sequencing, you can even do power management > > > > of the drives in userspace. You don't want to do system suspend/resume > > > > that way, but you can certainly have a userspace policy daemon running, > > > > that powers-down and powers-up the drives, etc. > > > > > > See noflushd, Hdparm is able to powersave disks well, already, and it > > > was in 2.2.X, too. > > > > Not all of them safely, though. Many a drive will corrupt data if it > > receives a command when not spinned up. You need to issue a wake command > > first, which hdparm doesn't, it just leaves it to the kernel to issue a > > read command or whatever to wake the drive ... > > Is this common disk bug, or are they permitted to behave like that? > > Pavel > -- > Casualities in World Trade Center: ~3k dead inside the building, > cryptography in U.S.A. and free speech in Czech Republic. > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
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