I, too, get idle on 4.2.0-30.
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rodman@nas:/media/nas$ dd if=/sys/block/md0/md/sync_action bs=1 count=1
idle
1+0 records in
0+1 records out
5 bytes (5 B) copied, 7.9147e-05 s, 63.2 kB/s
-------
Regards,
Rodman Frowert
-------- Original Message --------
Subject: Re: Checkarray doesn't seem to do anything
From: Roman Mamedov <redacted>
Date: Wed, March 02, 2016 11:47 am
To: Piergiorgio Sartor <redacted>
Cc: <redacted>, <redacted>
On Wed, 2 Mar 2016 18:44:54 +0100
Piergiorgio Sartor [off-list ref] wrote:
Just tested:
dd if=/sys/block/md0/md/sync_action bs=1 count=1
On kernel 3.x I get "i", on kernel 4.x I get "idle"... :-)
I am getting 'i' on 4.4.1.
# dd if=/sys/block/md0/md/sync_action bs=1 count=1
i1+0 records in
1+0 records out
1 byte (1 B) copied, 0.000218199 s, 4.6 kB/s
--
With respect,
Roman