Hi!

I just booted my Linux box running kernel 2.2.14 using raid-2.2.14-B1
and raidtools-19990824-0.90. Because this was the first boot after
the system crashed yesterday evening, a lot of resync and filesystem
check had to be done. Within these resync procedures for the raid0
and raid5 volumes 2 messages appeared on the screen:

md: serializing resync, md0 has overlapping physical with md2!
md: serializing resync, md1 has overlapping physical with md2!

I've found this message in /usr/src/linux-2.2.14/drivers/block/md.c

My /etc/raidtab looks like the following:

raiddev                 /dev/md0
                        raid-level              5
                        nr-raid-disks           3
                        nr-spare-disks          0
                        persistent-superblock   1
                        chunk-size              32
                        parity-algorithm        left-symmetric
                        device                  /dev/sdc1
                        raid-disk               0
                        device                  /dev/sdd1
                        raid-disk               1
                        device                  /dev/sde1
                        raid-disk               2

raiddev                 /dev/md1
                        raid-level              5
                        nr-raid-disks           3
                        nr-spare-disks          0
                        persistent-superblock   1
                        chunk-size              32
                        parity-algorithm        left-symmetric
                        device                  /dev/sdc2
                        raid-disk               0
                        device                  /dev/sdd2
                        raid-disk               1
                        device                  /dev/sde2
                        raid-disk               2

raiddev                 /dev/md2
                        raid-level              5
                        nr-raid-disks           3
                        nr-spare-disks          0
                        persistent-superblock   1
                        chunk-size              32
                        parity-algorithm        left-symmetric
                        device                  /dev/sdc3
                        raid-disk               0
                        device                  /dev/sdd3
                        raid-disk               1
                        device                  /dev/sde3
                        raid-disk               2

raiddev                 /dev/md3
                        raid-level              0
                        nr-raid-disks           3
                        persistent-superblock   1
                        chunk-size              32
                        device                  /dev/sdc5
                        raid-disk               0
                        device                  /dev/sdd5
                        raid-disk               1
                        device                  /dev/sde5
                        raid-disk               2

My understanding is that only /dev/md1 is able to have
overlapping physical sectors with /dev/md2.

Please, can someone explain the 2 messages?

Greetings
Hans-Guenter

PS: My system is running up to now without any problems...

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