> > One disk in RAID-1 crashed, so powered off, changed disk, powered > > on, trying to mount degraded. > > > > Unfortunately it hangs (running 3.14.4). > > > > # mount -o degraded,compress=lzo,noatime /dev/sdb4 /home (...never > > returns...) > > 1) Just to be sure, btrfs raid1, not btrfs on md/raid1 or the like, > correct? Correct, it's btrfs raid1. > 2) Btrfs raid1 for both data and metadata, correct? raid1 for both data and metadata. > 3) How many devices in the btrfs raid1? There were 2 devices. > 4) Did you try mounting read-only? Tried also mounting with nospace_cache, recover, ro, but all hang in a similar way. > Note that unlike md/raid1, btrfs raid1 won't mount writable with only > a single device. You must have at least two devices to mount > writable, tho a formerly two-device raid1 with a device missing > should mount read-only. That's not entirely correct - it will mount with -o degraded option. However it hangs here... -- Tomasz Chmielewski http://wpkg.org -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
