Re: Questions : disk partition re-reading

[Rob Couto]

On Sunday 18 April 2004 09:24 am, you wrote:
> Hi,
>
> I have 2 questions about disk partitioning under linux 2.6.x :
>
> 1/ Is it possible to alter a disk partition of a used disk and beeing
> able to use the modified partition without having to reboot the box?
>

as already stated,it can be. fdisk tries to refresh the kernel's copy of the 
table every time it writes, and hdparm -Z /dev/hdx does the same, but both 
will fail if any partitions are mounted from that disk. unmounting, then 
re-partitioning, then remounting lets it work... this is often useful to me 
when working from rescue disks but never when booted from that drive, or 
if /usr, /var, or /tmp are on it

-- 
Rob Couto [rpc@xxxxxxxxxxxx]
computer safety tip: use only a non-conducting, static-free hammer.
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