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Cannot copy files to RN316 although I have 22TB free...
Hi all. I have the following RN316: Firmware 6.10.4 Running 6 x 10TB IronWolf HDDs X-RAID 21.9TB free / 23.4TB used History: Last year I replaced all the 8TB Ironwold HDDs (from memory) one by...
Thanks. What everyone here has said makes sense, but it's the action plan which is confusing.
So am I winning here?
You can see that things "have changed":
Label: 'blah:root' uuid: * Total devices 1 FS bytes used 1.46GiB devid 1 size 4.00GiB used 3.61GiB path /dev/md0 Label: 'blah:data' uuid: * Total devices 2 FS bytes used 13.24TiB devid 1 size 18.17TiB used 18.09TiB path /dev/md127 devid 2 size 27.28TiB used 4.84TiB path /dev/md126 === filesystem /data === Data, single: total=22.90TiB, used=13.23TiB System, RAID1: total=32.00MiB, used=2.95MiB Metadata, RAID1: total=6.85GiB, used=5.81GiB Metadata, DUP: total=10.50GiB, used=9.54GiB GlobalReserve, single: total=512.00MiB, used=0.00B
Is that showing that we ae starting to expand Metadata, RAID1 as it has grown from 5.85GiB to 6.85GiB.
Is that sufficient? Will it now be ablt to grow from now on as required?
Has the problem been solved, or should I continue to move more stuff of and re-balance?
Here is the history from volume.log (apologies for length, I have removed all disk tests). I was incorrect in saying that I have never run Balance before as you can see, apologies.
FYI: I replaced the 4TB HDDs with 10TB HDDs in this time line:
- 04/12/2018
- 06/12/2018
- 29/07/2019
- 15/12/2019
- 21/03/2020
- 21/06/2020
So it would seem no Balance has been done since the last 4TB HDD was swapped out, until I have encountered this problem in 2021.
=== maintenance history === device operation start_time end_time result details ---------- --------- ------------------- ------------------- --------- ---------------------------------------------------------------- data balance 2016-06-15 00:00:01 2016-06-15 00:00:33 completed data scrub 2016-07-01 00:00:01 data balance 2016-07-15 00:00:01 2016-07-15 00:02:20 completed data balance 2016-08-15 00:00:19 2016-08-15 00:00:33 fail data scrub 2016-09-01 00:00:01 data balance 2016-09-15 00:00:02 2016-09-15 00:00:38 completed data scrub 2016-10-01 00:00:02 2016-10-02 04:38:32 pass data balance 2016-10-15 00:00:01 2016-10-15 01:51:49 completed data scrub 2016-11-01 00:00:01 2016-11-02 17:35:19 pass data balance 2016-11-15 00:00:01 2016-11-15 00:01:55 completed data scrub 2016-12-01 00:00:01 2016-12-02 21:24:24 pass data balance 2016-12-15 00:00:01 2016-12-15 00:17:38 completed data scrub 2017-01-01 00:00:02 2017-01-03 02:19:12 pass data balance 2017-01-15 00:00:01 2017-01-15 00:09:23 completed data scrub 2017-03-01 00:00:03 data balance 2017-03-15 00:00:01 2017-03-15 06:26:22 completed data scrub 2017-04-01 00:00:01 data balance 2017-04-15 00:00:01 2017-04-15 00:00:31 completed data scrub 2017-05-01 00:00:01 2017-05-01 22:03:16 abort data scrub 2017-05-01 22:31:25 2017-05-04 17:39:57 pass data balance 2017-05-15 00:00:03 2017-05-15 00:03:54 completed Done, had to relocate 4 out of 13438 chunks data scrub 2017-06-02 00:00:01 data balance 2017-06-15 00:00:02 2017-06-15 00:17:54 completed Done, had to relocate 40 out of 14672 chunks data scrub 2017-07-02 00:00:01 data balance 2017-07-15 00:00:01 2017-07-15 00:00:19 completed Done, had to relocate 2 out of 14758 chunks data scrub 2017-08-02 00:00:01 data balance 2017-08-15 00:00:01 2017-08-15 02:00:33 completed balance canceled by user data scrub 2017-09-02 00:00:01 data balance 2017-09-15 00:00:01 2017-09-15 02:05:02 completed balance canceled by user data scrub 2017-10-02 00:00:01 data balance 2017-10-15 00:00:01 2017-10-15 02:03:23 completed balance canceled by user data scrub 2018-01-02 00:00:01 data balance 2018-01-15 00:00:01 2018-01-15 00:35:45 completed Done, had to relocate 53 out of 16330 chunks data scrub 2018-02-02 00:00:01 data resilver 2018-02-17 21:47:57 2018-02-18 20:11:21 completed data scrub 2018-03-02 00:00:01 data balance 2018-03-15 00:00:02 2018-03-15 00:13:32 completed Done, had to relocate 14 out of 16390 chunks data scrub 2018-04-02 00:00:01 data balance 2018-04-15 00:00:01 2018-04-15 00:05:54 completed Done, had to relocate 15 out of 16391 chunks data scrub 2018-05-02 00:00:01 data scrub 2018-06-02 00:00:01 2018-06-03 17:21:01 pass data balance 2018-06-15 00:00:02 2018-06-15 01:43:40 completed Done, had to relocate 67 out of 18585 chunks data balance 2018-07-15 00:00:01 2018-07-15 00:00:09 completed Done, had to relocate 0 out of 18607 chunks ERROR: error during
data scrub 2018-08-02 00:00:01 data balance 2018-08-15 00:00:01 2018-08-15 00:00:08 completed Done, had to relocate 0 out of 18607 chunks ERROR: error during data resilver 2018-12-04 00:04:00 data resilver 2018-12-04 00:50:30 2018-12-04 17:53:15 completed data scrub 2018-12-04 18:21:51 2018-12-06 09:40:35 pass data resilver 2018-12-06 23:59:57 data resilver 2018-12-07 01:06:25 2018-12-07 16:58:15 completed data resilver 2018-12-07 16:58:27 2018-12-08 10:49:21 completed data scrub 2018-12-08 14:54:34 2018-12-11 02:49:34 pass data balance 2018-12-15 00:00:01 2018-12-15 00:03:26 completed Done, had to relocate 0 out of 18625 chunks Done, had to relocat data scrub 2019-01-07 03:08:33 2019-01-11 08:28:03 pass data balance 2019-01-15 00:00:01 2019-01-15 00:12:40 completed Done, had to relocate 0 out of 19285 chunks ERROR: error during data balance 2019-02-15 00:00:01 2019-02-15 00:00:30 completed Done, had to relocate 1 out of 20138 chunks data scrub 2019-03-01 01:00:01 data resilver 2019-07-25 12:20:40 2019-07-26 05:53:47 completed data resilver 2019-07-29 20:02:39 data resilver 2019-07-30 20:36:36 2019-07-31 15:17:52 completed data scrub 2019-10-01 01:00:01 2019-10-06 05:37:11 pass data scrub 2019-12-01 01:00:01 2019-12-06 10:58:28 pass data resilver 2019-12-14 23:56:42 2019-12-14 23:57:32 degraded data resilver 2019-12-15 00:09:16 2019-12-17 01:53:29 completed data scrub 2019-12-17 11:26:26 2019-12-23 05:14:28 pass data scrub 2020-02-01 01:00:01 2020-02-07 07:45:05 pass data resilver 2020-03-21 23:56:06 2020-03-22 17:01:34 completed data resilver 2020-03-22 17:02:31 2020-03-24 09:54:07 completed data scrub 2020-04-01 01:00:01 2020-04-07 10:46:32 pass data scrub 2020-06-01 01:00:02 data scrub 2020-06-10 19:44:01 2020-06-17 15:59:33 pass data resilver 2020-06-21 23:16:29 2020-06-24 14:16:38 completed data scrub 2020-08-01 01:00:01 data resilver 2020-08-08 15:10:50 data resilver 2020-08-08 15:45:05 2020-08-09 15:42:35 completed data resilver 2020-09-13 15:54:14 2020-09-14 20:35:46 completed data balance 2021-02-18 21:17:16 2021-02-18 21:18:42 completed ERROR: error during balancing '/data': No space left on device T data scrub 2021-02-18 21:29:29 data balance 2021-03-01 21:03:16 2021-03-01 21:04:48 completed ERROR: error during balancing '/data': No space left on device T data balance 2021-03-03 15:34:37 2021-03-04 03:44:36 completed ERROR: error during balancing '/data': No space left on device T data balance 2021-03-05 09:34:32 2021-03-05 10:29:27 completed ERROR: error during balancing '/data': No space left on device T data balance 2021-03-05 19:39:44 2021-03-05 19:49:07 completed ERROR: error during balancing '/data': No space left on device T data balance 2021-03-05 21:09:45 2021-03-05 21:27:23 completed ERROR: error during balancing '/data': No space left on device T data balance 2021-03-05 21:28:15 2021-03-05 21:28:19 completed Done, had to relocate 1 out of 23557 chunks data balance 2021-03-05 21:45:20 2021-03-05 21:46:05 completed Done, had to relocate 29 out of 23557 chunks data balance 2021-03-05 21:57:26 2021-03-05 21:57:31 completed Done, had to relocate 1 out of 23529 chunks data balance 2021-03-05 21:59:22 2021-03-05 21:59:27 completed Done, had to relocate 1 out of 23529 chunks data balance 2021-03-05 21:59:48 2021-03-05 21:59:53 completed Done, had to relocate 1 out of 23529 chunks data balance 2021-03-05 22:25:13 2021-03-05 22:25:18 completed Done, had to relocate 1 out of 23529 chunks data balance 2021-03-05 23:19:38 2021-03-05 23:19:44 completed Done, had to relocate 1 out of 23529 chunks data balance 2021-03-06 00:54:22 2021-03-06 00:54:28 completed Done, had to relocate 1 out of 23529 chunks data defrag 2021-03-06 00:54:49 2021-03-06 03:02:04 completed
The distribution between the two devices (md126 and md127) is still pretty bad.
md127 is still very very full and that can in some cases issues for the balance, hence I suggest maybe off loading some data.
You are gaining ground here, so that is good. You might get a away with simply balancing it out without off-loading any data first. If you keep the data on the NAS - i.e. not off loading some before the balance, then I would do it in increments.
btrfs balance start -dusage=10 /data btrfs balance start -dusage=30 /data btrfs balance start -dusage=50 /data btrfs balance start /data
You can check progress of current balance with
btrfs balance status -v /data
Some good reading with regards to BTRFS balancing:
https://btrfs.wiki.kernel.org/index.php/Manpage/btrfs-balance
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