无法挂载，无法手动挂载为只读

zhaomingnas

储存空间raid 1

目前看数据没问题，只是无法点击去挂载，提示系统内部错误

硬件排查无问题 发现前有多次重启机器的情况 ，文档教程命令手动挂载无效

log 文件20m+无法上传，需协助

admin@xiaomingPlus:~$ sudo mount -t btrfs -o ro,usebackuproot,rescue=all,noloadcache \ > /dev/mapper/trim_b9f331f6_089e_4d48_803d_4ae6515ecdd4-0 /fn_safe_backup mount: /fn_safe_backup: wrong fs type, bad option, bad superblock on /dev/mapper/trim_b9f331f6_089e_4d48_803d_4ae6515ecdd4-0, missing codepage or helper program, or other error. dmesg(1) may have more information after failed mount system call.