Hi!
Another pseudo-problem :) I've just set up a RAID5 array by creating a
three-disk one from two disks, and later adding the third. Everything
seems normal, but the mdadm (2.5.2) -X output:
Filename : /dev/hda3
Magic : 6d746962
Version : 4
UUID : 293ceee6.d1811fb1.a8b316e6.b54abcc7
Events : 12
Events Cleared : 12
State : OK
Chunksize : 1 MB
Daemon : 5s flush period
Write Mode : Normal
Sync Size : 292784512 (279.22 GiB 299.81 GB)
Bitmap : 285923 bits (chunks), 65536 dirty (22.9%)
# for i in hdb3 hdd3 hda3 ; mdadm -X /dev/$i|grep map
Bitmap : 285923 bits (chunks), 0 dirty (0.0%)
Bitmap : 285923 bits (chunks), 0 dirty (0.0%)
Bitmap : 285923 bits (chunks), 65536 dirty (22.9%)
# for i in hdb3 hdd3 hda3 ; mdadm -X /dev/$i|grep map
Bitmap : 285923 bits (chunks), 1 dirty (0.0%)
Bitmap : 285923 bits (chunks), 1 dirty (0.0%)
Bitmap : 285923 bits (chunks), 65537 dirty (22.9%)
# for i in hdb3 hdd3 hda3 ; mdadm -X /dev/$i|grep map
Bitmap : 285923 bits (chunks), 7 dirty (0.0%)
Bitmap : 285923 bits (chunks), 7 dirty (0.0%)
Bitmap : 285923 bits (chunks), 65543 dirty (22.9%)
# for i in hdb3 hdd3 hda3 ; mdadm -X /dev/$i|grep map
Bitmap : 285923 bits (chunks), 0 dirty (0.0%)
Bitmap : 285923 bits (chunks), 0 dirty (0.0%)
Bitmap : 285923 bits (chunks), 65536 dirty (22.9%)
# cat /proc/mdstat
Personalities : [raid1] [raid6] [raid5] [raid4]
md0 : active raid5 hdd3[2] hdb3[0] hda3[1]
585569024 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU]
bitmap: 0/140 pages [0KB], 1024KB chunk
Is this going to bite me later on, or just a harmless display problem?
Janos
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