Error during balancing '/': Input/output error

[Michael Ruiz <michael@mruiz.dev>]

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Hi,

I recently did a btrfs-convert from ext4 to btrfs and it went well, so I 
deleted the ext2 'home-backup' or whatever subvolume it created and I 
proceeded to balance the disk. However, I keep getting this error when I try 
to run this command (see bottom of message for debug info.) This might be a 
simple question, but I am worried that my root drive is corrupt and if I 
restart it might not boot so I haven't tried rebooting and mounting the disk 
from a live usb. Any suggestions pointing me in the right direction are most 
appreciated.


Thanks,
Michael

``` BEGIN DEBUG INFO ```
[michael@linux /]$ sudo btrfs balance /
ERROR: error during balancing '/': Input/output error
There may be more info in syslog - try dmesg | tail

[michael@linux /]$ dmesg | tail
[ 1235.433416] BTRFS info (device dm-1): relocating block group 265709158400 
flags metadata
[ 1375.701515] BTRFS info (device dm-1): found 65034 extents
[ 1381.270271] BTRFS info (device dm-1): relocating block group 264635416576 
flags metadata
[ 1483.628290] BTRFS info (device dm-1): found 64995 extents
[ 1485.160174] BTRFS info (device dm-1): relocating block group 253562454016 
flags data
[ 1485.352336] BTRFS warning (device dm-1): csum failed root -9 ino 265 off 
1048576 csum 0x9a7afaa8 expected csum 0x63e15594 mirror 1
[ 1485.353008] BTRFS warning (device dm-1): csum failed root -9 ino 265 off 
1048576 csum 0x9a7afaa8 expected csum 0x63e15594 mirror 1
[ 1485.375271] BTRFS info (device dm-1): balance: ended with status: -5
[ 1485.544838] audit: type=1106 audit(1577448716.970:152): pid=4178 uid=0 
auid=1000 ses=1 msg='op=PAM:session_close 
grantors=pam_limits,pam_unix,pam_permit acct="root" exe="/usr/bin/sudo" 
hostname=? addr=? terminal=/dev/pts/2 res=success'
[ 1485.545220] audit: type=1104 audit(1577448716.970:153): pid=4178 uid=0 
auid=1000 ses=1 msg='op=PAM:setcred grantors=pam_unix,pam_permit,pam_env 
acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/2 
res=success'
``` END DEBUG INFO ```


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