> Neil, is this online resizing/reshaping really needed? I understand > all those words means alot for marketing persons - zero downtime, > online resizing etc, but it is much safer and easier to do that stuff > 'offline', on an inactive array, like raidreconf does - safer, easier, > faster, and one have more possibilities for more complex changes. It > isn't like you want to add/remove drives to/from your arrays every day... > Alot of good hw raid cards are unable to perform such reshaping too.
RAID resize/restripe may not be so common with cheap / PC-based RAID systems, but it is common with midrange and enterprise storage subsystems from vendors such as EMC, HDS, IBM & HP. in fact, I'd say it's the exception to the rule _if_ an midrange/enterprise storage subsystem doesn't have an _online_ resize capability.. personally, I think this this useful functionality, but my personal preference is that this would be in DM/LVM2 rather than MD. but given Neil is the MD author/maintainer, I can see why he'd prefer to do it in MD. :) cheers, lincoln. - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
