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Wed, 05 Dec 2007

Storage hotplugging in DST.

For the interested reader: yes, it is possible to add disks into DST storage on the fly, but be sure that your filesystem supports that (in case of linear setup), mirroring is fairly transparent.
Command to add another node into mirror setup is pretty simple:

./dst -n storage -A alg_mirror -S0 -s0 -a kano -p 1026
Just like adding usual node into the storage before it was started.

Please note, that when adding node which is smaller than current device size, device size will be reduced and this can damage your filesystem!
The same applies to linear setup.

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