search for: sync_blocks

...+++++++ 2 files changed, 14 insertions(+) diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 39fb21e..03c5349 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2535,6 +2535,13 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, return sync_blocks; } + /* + * If there is non-resync activity waiting for a turn, + * then let it though before starting on this new sync request. + */ + if (conf->nr_waiting) + schedule_timeout_uninterruptible(1); + /* we are incrementing sector_nr bel...

Kelly Lesperance wrote: > I did some additional testing - I stopped Kafka on the host, and kicked > off a disk check, and it ran at the expected speed overnight. I started > kafka this morning, and the raid check's speed immediately dropped down to > ~2000K/Sec. > > I then enabled the write-back cache on the drives (hdparm -W1 /dev/sd*). > The raid check is now running