Re: Bizarre fdisk/mke2fs behaviour
For the kernel to reload the partition table no partitions on the drive must be
in use, meaning mounted or activated as swap.
Quoting Phil Carmody <fatphil@altavista.com>:
> This isn't specifically an Alpha problem, sorry, but I'm not actually on
> any other debian lists (I did find the same question on
> linux.debian.user or suchlike, but it was unanswered). I'm curious, I
> have a system which I _can't_ reboot for a few weeks (hey, my number
> crunching jobs are _big_). However, I've just tried to repartition one
> of my hard disks.
>
> Fdisk blurts
> <<<
> Command (m for help): w
> The partition table has been altered!
>
> Calling ioctl() to re-read partition table.
> Re-read table failed with error 16: Device or resource busy.
> Reboot your system to ensure the partition table is updated.
> >>>
>
> and sure enough, /proc/partitions tells me about how things _used to
> be_. How broken is this? It surely can't assume that partitions never
> change, else how does it deal with things like hot-swappable drives? or
> magneto-optical removable media etc?
>
> What can I do?
> (and yes, I even have time to hack around in the kernel while I wait for
> my job to complete...
>
> Yours curiously
> Phil
>
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