b8ab2a50ab
A small bitmap-chunksize hurts performance without helping resync speed much - particularly on internal bitmaps. So set the default to at least 64Meg. Signed-off-by: NeilBrown <neilb@suse.de>
32 lines
830 B
Plaintext
32 lines
830 B
Plaintext
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#
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# create a raid1 array, version 1 superblock, add an internal bitmap
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#
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mdadm --create --run $md0 -e1 -l 1 -n 2 $dev1 $dev2
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check wait
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testdev $md0 1 $mdsize1b 1
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#mdadm -E $dev1
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mdadm --grow $md0 --bitmap=internal --bitmap-chunk=4 --delay=1
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dirty1=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
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sleep 4
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dirty2=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
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testdev $md0 1 $mdsize1b 1
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dirty3=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
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sleep 4
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dirty4=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
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#echo $dirty1 $dirty2 $dirty3 $dirty4
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if [ $dirty2 -ne 0 -o $dirty4 -ne 0 -o $dirty3 -lt 400 ]
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then
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echo bad dirty counts
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exit 1
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fi
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# now to remove the bitmap
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check bitmap
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mdadm --grow $md0 --bitmap=none
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check nobitmap
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mdadm -S $md0
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