Richard Nuttle wrote:
>
> I have a few questions related to extendfs and resizing the filesystem in
> general..
>
> The changelog for 1.0.15 says that testing the functionality is till on
> the todo list, does this mean the functionality exists but is not tested,
> or that the functionality does not yet exist? extendfs.c seems to indicate
> to me that the functionality does not yet exist, but I've only taken a
> brief look at the code.
We are working on it right now, most of this functionality is in the file system.
The extendfs utility just calls the file system.
>
> Also, I understand there is an ioctl() that gets sent to the device that
> will do the extension, is this ioctl already part of the existing jfs
> kernel module meaning that a tested version of extendfs is all we'll need
> to resize filesystems moving forward, or is it also something that
> needs to be added?
I don't see adding the ioctl being a problem.
>
> Lastly, how dependent is the extendfs functionality on the underlying
> volume management? Would resizing a filesystem on top of LVM work as well
> as resizing one on top of Veritas Volume Manager, which has recently
> become available for Linux?
Yes, for LVM and EVMS, not sure about Veritas Volume Manager, I just went to the
veritas site and did see any information about their Volume Manager supporting
Linux.
>
> Thanks for any info.
>
> -Rich
Steve
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