Does '/etc/cron.weekly/99-raid-check' in RHEL 5 checks the RAID arrays or it actually reconstructs the arrays.

Issue

• Are below logs indicating that the RAID array is being checked or it is actually being reconstructed. OR what does below logs indicate with the default mdadm configuration.

May 26 23:55:59 localhost kernel: md: syncing RAID array md1
May 26 23:55:59 localhost kernel: md: minimum _guaranteed_ reconstruction speed: 1000 KB/sec/disc.
May 26 23:55:59 localhost kernel: md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for reconstruction.
May 26 23:55:59 localhost kernel: md: using 128k window, over a total of 4192832 blocks.
May 26 23:55:59 localhost kernel: md: syncing RAID array md0
May 26 23:55:59 localhost kernel: md: minimum _guaranteed_ reconstruction speed: 1000 KB/sec/disc.
May 26 23:55:59 localhost kernel: md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for reconstruction.
May 26 23:55:59 localhost kernel: md: using 128k window, over a total of 2096384 blocks.
May 26 23:55:59 localhost kernel: md: minimum _guaranteed_ reconstruction speed: 1000 KB/sec/disc.
May 26 23:55:59 localhost kernel: md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for reconstruction.
May 26 23:55:59 localhost kernel: md: using 128k window, over a total of 2096384 blocks.
May 26 23:57:25 localhost kernel: md: md0: sync done.
May 26 23:57:26 localhost kernel: RAID1 conf printout:
May 26 23:57:26 localhost kernel:  --- wd:2 rd:2
May 26 23:57:26 localhost kernel:  disk 0, wo:0, o:1, dev:hda1
May 26 23:57:26 localhost kernel:  disk 1, wo:0, o:1, dev:hdb1
May 26 23:57:26 localhost kernel:  --- wd:2 rd:2
May 26 23:57:26 localhost kernel:  disk 0, wo:0, o:1, dev:hda1
May 26 23:57:26 localhost kernel:  disk 1, wo:0, o:1, dev:hdb1
May 26 23:57:53 localhost kernel: md: md1: sync done.
May 26 23:57:53 localhost kernel: RAID1 conf printout:
May 26 23:57:53 localhost kernel:  --- wd:2 rd:2
May 26 23:57:53 localhost kernel:  disk 0, wo:0, o:1, dev:hdc1
May 26 23:57:53 localhost kernel:  disk 1, wo:0, o:1, dev:hdd1