Hi,
I have today added one device and I have converted metadata to raid1. Than I
wanted to convert to raid1 also some data (with balance filter) and try if
there is some speedup when reading files (starting programs)... I have issued
this command:
luvar@blackdawn:~$ sudo time btrfs balance
Thanks for nice and replicate at home yourself example. On my machine it is
behaving precisely like in your:
code
root@blackdawn:/home/luvar# sync; sysctl vm.drop_caches=1
vm.drop_caches = 1
root@blackdawn:/home/luvar# time cat
/home/luvar/programs/adt-bundle-linux/sdk/system-images/android-L
. will second start require less data to be read from HDD?
2. will be metadata for second instance read from hdd? (I asume yes)
3. will be actual data read second time? (I hope not)
Thanks for answers,
have a nice day,
--
LuVar
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described here:
http://www.spinics.net/lists/linux-btrfs/msg27102.html
So I want just make Josef to have some fun seeing btrfs-image of
unmountable filesystem, before btrfs-zero-log command...
Two images and explanatory text is available on here:
http://dawn.ynet.sk/~luvar/asdf/btrfs/
File
://dawn.ynet.sk/~luvar/asdf/btrfs/
File btrfs.unabletomount contains explanatory text. image files are beeing
uploaded right now and will be there in a few minutes.
If any additional question, just ask. LuVar
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the body
for clarification,
LuVar
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