On 08/01/18 07:31, Guoqing Jiang wrote: > > > On 01/06/2018 11:44 PM, mdraid.pkoch@xxxxxxxx wrote: >> Dear MD-experts: >> >> I was under the impression that growing a RAID10 device could be done >> with an active filesystem running on the device. > > It depends on whether the specific filesystem provides related tool or > not, eg, > resize2fs can serve ext fs: Sorry Guoqing, but I think you've *completely* missed the point :-( > > https://raid.wiki.kernel.org/index.php/Growing#Extending_the_filesystem > > And you can use xfs_growfs for your purpose. You extend the filesystem *after* you've grown the array. The act of growing the array has caused the filesystem to crash. That should NOT happen - the act of growing the array should be *invisible* to the filesystem. In other words, one or more of the following three are true :- 1) The OP has been caught by some random act of God 2) There's a serious flaw in "mdadm --grow" 3) There's a serious flaw in xfs Cheers, Wol -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
