[CentOS] sysfs udev hald -_-
mailing-lists at hughesjr.com
Fri Nov 24 11:56:00 UTC 2006
On Fri, 2006-11-24 at 19:48 +0800, Feizhou wrote:
> >>> How do I get whatever system to register the new partition short of
> >>> rebooting the box?
> >>> _______________________________________________
> >> Got to reboot if you change the partition that contains / mount or if
> >> the partition can not be locked for writing.
> > sfdisk -R ...
> > Used to do the trick. I can't remember if the device is needed. Man
> > sfdisk will fill in the details.
> From the man page:
> "-R Only execute the BLKRRPART ioctl (to make the kernel re-read
> the partition table). This can be useful for checking advance
> that the final BLKRRPART will be successful, and also when you changed
> the partition table ‘by hand’ (e.g., using dd from a backup). If
> the kernel complains (‘device busy for revalidation (usage = 2)’)
> then something still uses the device, and you still have to unmount
> some file system, or say swapoff to some swap partition."
> Interesting part about the swap partition. So it might go for both / and
> any swap partition.
I just reboot if I mess with the / partition via fdisk :)
If a machine is so important that it can't be off long enough to reboot,
it needs a standby connected by something like DRBD :)
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