[Lustre-discuss] Should run_*.sh CLIENT_LOADS scripts fail during failover?
Brian J. Murrell
brian at whamcloud.com
Mon Jul 4 11:06:36 PDT 2011
On 11-06-30 09:56 PM, Jay Lan wrote:
> Hi,
Hi,
> During recovery_*_scale.sh tests those commands used in
> CLIENT_LOADS surely will result in write error since the
> lustre filesystem is no longer available.
Not if the target is mounted in failover (vs. failout) mode. One of the
basic principles of Lustre is that when a target fails (and it is
mounted in failover mode) I/O to/from it will block (not fail) until the
target is functional again.
The recovery_*_scale.sh tests are written to stress test that basic
principle.
b.
--
Brian J. Murrell
Senior Software Engineer
Whamcloud, Inc.
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