> John Nemeth wrote:
>> On Jan 6,  6:49am, didier gaumet wrote:
>> } Le Wed, 16 Aug 2006 00:26:27 -0400, Louis Guillaume a écrit :
>> }
>> } > I'm used to AIX's Logical Volume Management system, which is, in my
>> } > opinion, extremely cool. It's there in Linux these days too and I
>> really
>> } > wish we had something like this (if not the thing itself) in NetBSD.
>> } >
>> } > Recently I saw a message saying that vinum was removed from NetBSD.
>> It
>> } > appeared to be the closest thing, but supposedly never worked
>> properly.
>> }
>> } Vinum seems to have been removed (temporarily?) from "base" of
>> } netbsd-current and future netbsd 4.X but is still available in netbsd
>> 3.x
>>
>>      It is permanently gone from all future releases.  It was
>> unmaintained and had a number of problems.  Besides, it wasn't a true
>> LVM.  It really didn't offer anything more then Raidframe.
>>
>> } > Also recently, I saw a message about a `device-mapper' driver for
>> } > NetBSD. But I can't find any significant information about this
>> either.
>> } >
>> } > Is there anything like this planned or available for NetBSD?
>> }
>> } I'm not well informed about logical volume management (never practiced
>> it
>> } myself), but I have heard about ccd and ccdconfig : you might take a
>> look
>> } at their man page.
>>
>>      ccd is not a true LVM.  It simply allows you to combine multiple
>> partitions into one.  It is primarily useful on older systems that can
>> only take smaller disks.  There isn't as much use for it on systems
>> with modern disks.
>>
>>      Unfortunately, there is no LVM in NetBSD at the present time.
>>
>> }-- End of excerpt from didier gaumet
>>
> Can we upgrade ccd to full  functional LVM system,or we need to write it
> from scratch?
>


Also interesting to note is OpenBSD's bioctl. It enables an array to check
the health of the disk. Anyone interested importing it for future NetBSD
releases?