md strange sync?

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Hi2all

I have RedHat 5.5 ( kernel  2.6.18-194.el5 ) and 2hard disk with raid1
with md

I have this setup on several machines, and recently notice this messages
in /var/log/messages

Are this normal? Seems a re-sync but happened on several machines..

May 23 04:22:01 <kern.info> dc2-x6250-a kernel: md: syncing RAID array md0
May 23 04:22:01 <kern.info> dc2-x6250-a kernel: md: minimum _guaranteed_
reconstruction speed: 1000 KB/sec/disc.
May 23 04:22:01 <kern.info> dc2-x6250-a kernel: md: using maximum
available idle IO bandwidth (but not more than 200000 KB/sec) for
reconstruction.
May 23 04:22:01 <kern.info> dc2-x6250-a kernel: md: using 128k window,
over a total of 256896 blocks.
May 23 04:22:01 <kern.info> dc2-x6250-a kernel: md: delaying resync of md1
until md0 has finished resync (they share one or more physical units)
May 23 04:22:04 <kern.info> dc2-x6250-a kernel: md: md0: sync done.
May 23 04:22:04 <kern.info> dc2-x6250-a kernel: md: syncing RAID array md1
May 23 04:22:04 <kern.info> dc2-x6250-a kernel: md: minimum _guaranteed_
reconstruction speed: 1000 KB/sec/disc.
May 23 04:22:04 <kern.info> dc2-x6250-a kernel: md: using maximum
available idle IO bandwidth (but not more than 200000 KB/sec) for
reconstruction.
May 23 04:22:04 <kern.info> dc2-x6250-a kernel: md: using 128k window,
over a total of 8193024 blocks.
May 23 04:23:41 <kern.info> dc2-x6250-a kernel: md: md1: sync done.


thanks for any info

regards
jose

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