[Bugs] [Bug 1235964] Disperse volume: FUSE I/O error after self healing the failed disk files

bugzilla at redhat.com bugzilla at redhat.com
Mon Jun 29 06:05:35 UTC 2015


--- Comment #1 from Backer <mdfakkeer at gmail.com> ---
We are receiving same I/O error after recovery of unavailable data chunks on
the failed nodes,once it becomes live.

Steps to reproduce:
1. create a 3x(4+2) disperse volume across nodes
2. FUSE mount on the client and start creating files/directories with mkdir and
3. Now, bring down 2 of the nodes(node 5 & 6)
4. write some files(eg filenew1, filenew2). The files will be available only on
4 nodes( node 1,2,3 & 4 )
5. Now bring up the failed/down 2 nodes
6. Pro active Self healing will create unavailable data chunks on 2 nodes (node
5 & 6) perfectly.
7. Once finish the self healing, bring down another two nodes (node 1 & 2)
8. Now try to get the mdsum of same recoverd file or read the files (filenew1 &
filenew2), client throws I/O error

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