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# policy for data disk failures: # stop: shut down gossip and Thrift, leaving the node effectively dead, but # can still be inspected via JMX. # best_effort: stop using the failed disk and respond to requests based on # remaining available sstables. This means you WILL see obsolete # data at CL.ONE! # ignore: ignore fatal errors and let requests fail, as in pre-1.2 Cassandra disk_failure_policy: stop On Wed, Jun 5, 2013 at 2:59 PM, Bryan Talbot <btal...@aeriagames.com> wrote: > If you're using cassandra 1.2 then you have a choice specified in the yaml > > > # policy for data disk failures: > # stop: shut down gossip and Thrift, leaving the node effectively dead, but > # can still be inspected via JMX. > # best_effort: stop using the failed disk and respond to requests based on > # remaining available sstables. This means you WILL see > obsolete > # data at CL.ONE! > # ignore: ignore fatal errors a > > > -Bryan > > > > On Wed, Jun 5, 2013 at 6:11 AM, Christopher Wirt <chris.w...@struq.com>wrote: > >> I would hope so. Just trying to get some confirmation from someone with >> production experience. **** >> >> ** ** >> >> Thanks for your reply**** >> >> ** ** >> >> *From:* Shahab Yunus [mailto:shahab.yu...@gmail.com] >> *Sent:* 05 June 2013 13:31 >> *To:* user@cassandra.apache.org >> *Subject:* Re: Multiple JBOD data directory**** >> >> ** ** >> >> Though, I am a newbie bust just had a thought regarding your question 'How >> will it handle requests for data which unavailable?', wouldn't the data be >> served in that case from other nodes where it has been replicated?**** >> >> ** ** >> >> Regards,**** >> >> Shahab**** >> >> ** ** >> >> On Wed, Jun 5, 2013 at 5:32 AM, Christopher Wirt <chris.w...@struq.com> >> wrote:**** >> >> Hello, **** >> >> **** >> >> We’re thinking about using multiple data directories each with its own >> disk and are currently testing this against a RAID0 config.**** >> >> **** >> >> I’ve seen that there is failure handling with multiple JBOD.**** >> >> **** >> >> e.g. **** >> >> We have two data directories mounted to separate drives**** >> >> /disk1**** >> >> /disk2**** >> >> One of the drives fails **** >> >> **** >> >> Will Cassandra continue to work?**** >> >> How will it handle requests for data which unavailable?**** >> >> If I want to add an additional drive what is the best way to go about >> redistributing the data? **** >> >> **** >> >> Thanks,**** >> >> Chris**** >> >> ** ** >> > >
