Re: 2.5.43 disk repartitioning problems

Dave Olien
2002-10-17T17:58:25Z

I made a typo in the message below. The partitioning issue appears
in linux 2.5.43. (NOT 2.4.3 ..)

On Thu, Oct 17, 2002 at 10:52:05AM -0700, Dave Olien wrote:
>
> Al,
>
> I'm working on the Mylex DAC960 device driver, bring in up to date
> with the new block and dma interfaces. I've been posting patches on
> occasion. I've also noticed you updating the driver when you make changes
> to the gendisk kernel interfaces. Those updates are very helpful.
>
> I've noticed in 2.4.3 at least, that some changes to disk partitions
> aren't noticed until you reboot. The same problem is seen with aacraid.
> I don't THINK this is a driver issue. But, I might have missed something.
>
> I tried repartitioning two disks. On the first disk, I used fdisk
> to split a single large partition into four smaller ones. Afterwards,
> the first partition on that drive was still accessible. But I couldn't
> access the three new partitions. I didn't test to see if the first
> partition had been reduced in size. Rebooting made the new partitions
> accessible.
>
> In the second case, I split an unpartitioned drive into four partitions.
> None of the new partitions were accessible until I rebooted.
>
> Is this still a work in progress, or is there some driver hook I've missed?
>
> Thanks!
>
> Dave Olien
> Open Source Development Lab
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