On 06/09/2015 01:10 AM, Martin wrote:
Hello! I have a raid1-btrfs-system (Kernel 3.19.0-18-generic, Ubuntu Vivid Vervet, btrfs-tools 3.17-1.1). One disk failed some days ago. I could remount the remaining one with "-o degraded". After one day and some write-operations (with no errrors) I had to reboot the system. And now I can not mount "rw" anymore, only "-o degraded,ro" is possible. In the kernel log I found BTRFS: too many missing devices, writeable mount is not allowed. I read about https://bugzilla.kernel.org/show_bug.cgi?id=60594 but I did no conversion to a single drive. How can I mount the disk "rw" to remove the "missing" drive and add a new one? Because there are many snapshots of the filesystem, copying the system would be only the last alternative ;-)
How many disks you had in the RAID1. How many are failed ? Thanks Anand
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