HDFS will not start re-replicating blocks from a dead DN for 10 minutes 30 seconds by default.
Right now there isn't a good way to replace a disk out from under a running datanode, so the best way is: - Stop the DN - Replace the disk - Restart the DN On Wed, Nov 28, 2012 at 9:14 AM, Mark Kerzner <[email protected]>wrote: > Hi, > > can I remove one hard drive from a slave but tell Hadoop not to replicate > missing blocks for a few minutes, because I will return it back? Or will > this not work at all, and will Hadoop continue replicating, since I removed > blocks, even for a short time? > > Thank you. Sincerely, > Mark >
