That seems to have worked, but now I'm getting an error on the cache disk (btrfs):
Feb 9 06:52:06 Bart emhttp: shcmd (240): mkdir -p /mnt/cache
Feb 9 06:52:06 Bart emhttp: shcmd (241): set -o pipefail ; mount -t btrfs -o noatime,nodiratime /dev/sdf1 /mnt/cache |& logger
Feb 9 06:52:06 Bart kernel: BTRFS info (device sdf1): disk space caching is enabled
Feb 9 06:52:06 Bart emhttp: shcmd (242): btrfs filesystem resize max /mnt/cache |& logger
Feb 9 06:52:06 Bart logger: Resize '/mnt/cache' of 'max'
Feb 9 06:52:06 Bart emhttp: shcmd (243): sync
Feb 9 06:52:06 Bart kernel: BTRFS: new size for /dev/sdf1 is 500106743808
Feb 9 06:52:07 Bart emhttp: shcmd (244): mkdir /mnt/user0
Feb 9 06:52:07 Bart emhttp: shcmd (245): /usr/local/sbin/shfs /mnt/user0 -disks 14 -o noatime,big_writes,allow_other |& logger
Feb 9 06:52:07 Bart emhttp: shcmd (246): mkdir /mnt/user
Feb 9 06:52:07 Bart emhttp: shcmd (247): /usr/local/sbin/shfs /mnt/user -disks 15 2048000000 -o noatime,big_writes,allow_other -o remember=0 |& logger
Feb 9 06:52:07 Bart emhttp: shcmd (248): crontab -c /etc/cron.d - <<< "# Generated mover schedule:#01240 3 * * * /usr/local/sbin/mover |& logger"
Feb 9 06:52:07 Bart emhttp: shcmd (249): /usr/local/sbin/emhttp_event disks_mounted
Feb 9 06:52:07 Bart emhttp_event: disks_mounted
Feb 9 06:52:07 Bart logger: Starting docker.io
Feb 9 06:52:09 Bart kernel: BTRFS info (device loop8): disk space caching is enabled
Feb 9 06:52:09 Bart kernel: BTRFS: bdev /dev/loop8 errs: wr 0, rd 9158, flush 0, corrupt 0, gen 0
Feb 9 06:52:10 Bart kernel: BTRFS: checking UUID tree
Feb 9 06:52:10 Bart logger: Resize '/var/lib/docker' of 'max'
Feb 9 06:52:10 Bart logger: starting docker ...
Feb 9 06:52:10 Bart kernel: BTRFS: new size for /dev/loop8 is 10737418240
Feb 9 06:52:19 Bart kernel: device vethd6cb entered promiscuous mode
Feb 9 06:52:19 Bart avahi-daemon[17082]: Withdrawing workstation service for veth7db0.
Feb 9 06:52:19 Bart kernel: docker0: port 1(vethd6cb) entered forwarding state
Feb 9 06:52:19 Bart kernel: docker0: port 1(vethd6cb) entered forwarding state
Feb 9 06:52:19 Bart logger: sabnzbd: started succesfully!
Feb 9 06:52:19 Bart kernel: device veth802b entered promiscuous mode
Feb 9 06:52:19 Bart kernel: docker0: port 2(veth802b) entered forwarding state
Feb 9 06:52:19 Bart kernel: docker0: port 2(veth802b) entered forwarding state
Feb 9 06:52:19 Bart avahi-daemon[17082]: Withdrawing workstation service for vethacae.
Feb 9 06:52:20 Bart logger: couchpotato: started succesfully!
Feb 9 06:52:23 Bart kernel: btrfs_readpage_end_io_hook: 9 callbacks suppressed
Feb 9 06:52:23 Bart kernel: BTRFS info (device sdf1): csum failed ino 162080 off 445890560 csum 2566472073 expected csum 1230784438
Feb 9 06:52:23 Bart kernel: BTRFS info (device sdf1): csum failed ino 162080 off 445890560 csum 2566472073 expected csum 1230784438
Feb 9 06:52:23 Bart kernel: btrfs_dev_stat_print_on_error: 5 callbacks suppressed
Feb 9 06:52:23 Bart kernel: BTRFS: bdev /dev/loop8 errs: wr 0, rd 9159, flush 0, corrupt 0, gen 0
Feb 9 06:52:23 Bart kernel: BTRFS info (device sdf1): csum failed ino 162080 off 445874176 csum 3800195258 expected csum 582823009
Feb 9 06:52:23 Bart kernel: BTRFS info (device sdf1): csum failed ino 162080 off 445874176 csum 3800195258 expected csum 582823009
Feb 9 06:52:23 Bart kernel: BTRFS: bdev /dev/loop8 errs: wr 0, rd 9160, flush 0, corrupt 0, gen 0
Feb 9 06:52:23 Bart kernel: BTRFS info (device sdf1): csum failed ino 162080 off 1519616000 csum 2566472073 expected csum 582823009
Feb 9 06:52:23 Bart kernel: BTRFS info (device sdf1): csum failed ino 162080 off 1519616000 csum 2566472073 expected csum 582823009
Feb 9 06:52:23 Bart kernel: BTRFS: bdev /dev/loop8 errs: wr 0, rd 9161, flush 0, corrupt 0, gen 0
Feb 9 06:52:23 Bart kernel: BTRFS info (device sdf1): csum failed ino 162080 off 445874176 csum 3800195258 expected csum 582823009
Feb 9 06:52:23 Bart kernel: BTRFS: bdev /dev/loop8 errs: wr 0, rd 9162, flush 0, corrupt 0, gen 0
Feb 9 06:52:23 Bart kernel: BTRFS info (device sdf1): csum failed ino 162080 off 1519616000 csum 2566472073 expected csum 582823009
Feb 9 06:52:23 Bart kernel: BTRFS: bdev /dev/loop8 errs: wr 0, rd 9163, flush 0, corrupt 0, gen 0
Feb 9 06:52:24 Bart logger: CrashPlan: started succesfully!
Feb 9 06:52:25 Bart kernel: device veth493f entered promiscuous mode
Feb 9 06:52:25 Bart avahi-daemon[17082]: Withdrawing workstation service for veth7bcf.
Feb 9 06:52:25 Bart kernel: docker0: port 3(veth493f) entered forwarding state
Feb 9 06:52:25 Bart kernel: docker0: port 3(veth493f) entered forwarding state
Feb 9 06:52:25 Bart kernel: BTRFS info (device sdf1): csum failed ino 162080 off 445923328 csum 2566472073 expected csum 2113704584
Feb 9 06:52:25 Bart kernel: BTRFS info (device sdf1): csum failed ino 162080 off 445923328 csum 2566472073 expected csum 2113704584
Feb 9 06:52:25 Bart kernel: BTRFS: bdev /dev/loop8 errs: wr 0, rd 9164, flush 0, corrupt 0, gen 0
Feb 9 06:52:25 Bart kernel: BTRFS: bdev /dev/loop8 errs: wr 0, rd 9165, flush 0, corrupt 0, gen 0
Feb 9 06:52:25 Bart kernel: BTRFS: bdev /dev/loop8 errs: wr 0, rd 9166, flush 0, corrupt 0, gen 0
Feb 9 06:52:25 Bart kernel: BTRFS: bdev /dev/loop8 errs: wr 0, rd 9167, flush 0, corrupt 0, gen 0
Feb 9 06:52:25 Bart kernel: ------------[ cut here ]------------
Feb 9 06:52:25 Bart kernel: WARNING: CPU: 0 PID: 17372 at fs/btrfs/super.c:259 __btrfs_abort_transaction+0x4b/0xfb()
Feb 9 06:52:25 Bart kernel: BTRFS: Transaction aborted (error -5)
Feb 9 06:52:25 Bart kernel: Modules linked in: md_mod veth xt_nat ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_nat_ipv4 nf_nat iptable_filter ip_tables k8temp forcedeth ahci libahci sata_sil asus_atk0110 [last unloaded: md_mod]
Feb 9 06:52:25 Bart kernel: CPU: 0 PID: 17372 Comm: kworker/u8:3 Tainted: G W 3.16.3-unRAID #3
Feb 9 06:52:25 Bart kernel: Hardware name: System manufacturer System Product Name/M3N78, BIOS 0504 10/15/2008
Feb 9 06:52:25 Bart kernel: Workqueue: btrfs-extent-refs btrfs_extent_refs_helper
Feb 9 06:52:25 Bart kernel: 0000000000000000 ffff88016d91ba70 ffffffff815d9532 ffff88016d91bab8
Feb 9 06:52:25 Bart kernel: ffff88016d91baa8 ffffffff81040687 ffffffff81294a12 00000000fffffffb
Feb 9 06:52:25 Bart kernel: ffff88018de6e000 ffff88013b317d20 ffffffff8161efa0 ffff88016d91bb08
Feb 9 06:52:25 Bart kernel: Call Trace:
Feb 9 06:52:25 Bart kernel: [<ffffffff815d9532>] dump_stack+0x45/0x56
Feb 9 06:52:25 Bart kernel: [<ffffffff81040687>] warn_slowpath_common+0x75/0x8e
Feb 9 06:52:25 Bart kernel: [<ffffffff81294a12>] ? __btrfs_abort_transaction+0x4b/0xfb
Feb 9 06:52:25 Bart kernel: [<ffffffff810406e7>] warn_slowpath_fmt+0x47/0x49
Feb 9 06:52:25 Bart kernel: [<ffffffff812d0409>] ? set_extent_dirty+0x18/0x1a
Feb 9 06:52:25 Bart kernel: [<ffffffff81294a12>] __btrfs_abort_transaction+0x4b/0xfb
Feb 9 06:52:25 Bart kernel: [<ffffffff812a43e4>] __btrfs_free_extent+0x878/0x88c
Feb 9 06:52:25 Bart kernel: [<ffffffff812f34f1>] ? find_ref_head+0x45/0x62
Feb 9 06:52:25 Bart kernel: [<ffffffff812a9480>] __btrfs_run_delayed_refs+0xab9/0xcc5
Feb 9 06:52:25 Bart kernel: [<ffffffff812ab26c>] btrfs_run_delayed_refs+0x69/0x21c
Feb 9 06:52:25 Bart kernel: [<ffffffff812ab456>] delayed_ref_async_start+0x37/0x76
Feb 9 06:52:25 Bart kernel: [<ffffffff812dedb3>] normal_work_helper+0xbb/0x16f
Feb 9 06:52:25 Bart kernel: [<ffffffff812df040>] btrfs_extent_refs_helper+0xd/0xf
Feb 9 06:52:25 Bart kernel: [<ffffffff81052e85>] process_one_work+0x20d/0x332
Feb 9 06:52:25 Bart kernel: [<ffffffff81053b39>] worker_thread+0x392/0x507
Feb 9 06:52:25 Bart kernel: [<ffffffff810537a7>] ? cancel_delayed_work_sync+0x10/0x10
Feb 9 06:52:25 Bart kernel: [<ffffffff810588ba>] kthread+0xd6/0xde
Feb 9 06:52:25 Bart kernel: [<ffffffff810587e4>] ? kthread_create_on_node+0x168/0x168
Feb 9 06:52:25 Bart kernel: [<ffffffff815df3bc>] ret_from_fork+0x7c/0xb0
Feb 9 06:52:25 Bart kernel: [<ffffffff810587e4>] ? kthread_create_on_node+0x168/0x168
Feb 9 06:52:25 Bart kernel: ---[ end trace 22e67f7ef0ad5e12 ]---
Feb 9 06:52:25 Bart kernel: BTRFS: error (device loop8) in __btrfs_free_extent:5965: errno=-5 IO failure
Feb 9 06:52:25 Bart kernel: BTRFS info (device loop8): forced readonly
Feb 9 06:52:25 Bart kernel: BTRFS: error (device loop8) in btrfs_run_delayed_refs:2806: errno=-5 IO failure
Feb 9 06:52:27 Bart kernel: BTRFS: bdev /dev/loop8 errs: wr 0, rd 9168, flush 0, corrupt 0, gen 0
Feb 9 06:52:27 Bart kernel: BTRFS info (device loop8): no csum found for inode 18763 start 4096
Feb 9 06:52:27 Bart logger: SickBeard2: started succesfully!
Feb 9 06:52:27 Bart kernel: BTRFS info (device loop8): no csum found for inode 18763 start 0
Feb 9 06:52:27 Bart pms: Starting Plex...
Feb 9 06:52:27 Bart su[17660]: Successful su for unraid-plex by root
Feb 9 06:52:27 Bart su[17660]: + root:unraid-plex
Feb 9 06:52:27 Bart avahi-daemon[17082]: Withdrawing workstation service for veth802b.
Feb 9 06:52:27 Bart kernel: docker0: port 2(veth802b) entered disabled state
Feb 9 06:52:27 Bart kernel: device veth802b left promiscuous mode
Feb 9 06:52:27 Bart kernel: docker0: port 2(veth802b) entered disabled state
Feb 9 06:52:29 Bart pms: Plex Media Server IS running
Feb 9 06:52:29 Bart emhttp: shcmd (250): :>/etc/samba/smb-shares.conf
Feb 9 06:52:29 Bart avahi-daemon[17082]: Files changed, reloading.
Feb 9 06:52:29 Bart emhttp: Restart SMB...
Feb 9 06:52:29 Bart emhttp: shcmd (251): killall -HUP smbd
Feb 9 06:52:29 Bart emhttp: shcmd (252): cp /etc/avahi/services/smb.service- /etc/avahi/services/smb.service
Feb 9 06:52:29 Bart avahi-daemon[17082]: Files changed, reloading.
Feb 9 06:52:29 Bart avahi-daemon[17082]: Service group file /services/smb.service changed, reloading.
Feb 9 06:52:29 Bart emhttp: shcmd (253): pidof rpc.mountd &> /dev/null
Feb 9 06:52:29 Bart emhttp: shcmd (254): /etc/rc.d/rc.atalk status
Feb 9 06:52:29 Bart emhttp: shcmd (255): /usr/local/sbin/emhttp_event svcs_restarted
Feb 9 06:52:29 Bart emhttp_event: svcs_restarted
Feb 9 06:52:29 Bart emhttp: shcmd (256): /usr/local/sbin/emhttp_event started
Feb 9 06:52:29 Bart emhttp_event: started
Feb 9 06:52:30 Bart avahi-daemon[17082]: Service "Bart" (/services/smb.service) successfully established.
Feb 9 06:52:33 Bart kernel: docker0: port 3(veth493f) entered disabled state
Feb 9 06:52:33 Bart avahi-daemon[17082]: Withdrawing workstation service for veth493f.
Feb 9 06:52:33 Bart kernel: device veth493f left promiscuous mode
Feb 9 06:52:33 Bart kernel: docker0: port 3(veth493f) entered disabled state
Feb 9 06:52:34 Bart kernel: docker0: port 1(vethd6cb) entered forwarding state
Feb 9 06:53:07 Bart php: /usr/bin/docker start sickbeard
Feb 9 06:53:07 Bart php:
Docker is on the cache disk, can only start 1 of 4 containers..