On Sat, Aug 24, 2013 at 2:02 PM, Joel Johnson <mrj...@lixil.net> wrote: > On 2013-08-24 11:24, Joel Johnson wrote: >> >> Should I file a few bugs to capture the related issues? Here are the >> discrete issues that seem to be present from a user point of view: > > > After writing this, I figured I'd experiment with the current state and try > to properly delete and add the sdd device. However, I was surprised to find > that I'm not allowed to remove one of the two drives in a RAID1. Kernel > message is "btrfs: unable to go below two devices on raid1" Not allowing it > by default makes some sense, however a --force flag or something would be > beneficial. I understand that the preferred method is to add the replacement > device first and then delete the old one (or do a direct replace), however > the system I'm using for testing only has three SATA ports, the first is > used for the system drive, and the second and third have the two drives I'm > using for my btrfs testing - I have no way to add a third drive for the > filesystem before removing one first. This is still with the filesystem > mounted with the degraded mount option set.
If you have an USB enclosure you could connect another drive via USB temporarily. That said my biggest btrfs problem happened while I had some drives on SATA and others on USB. -- Sandy McArthur -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
