Andrew, ME4084 is a dual-controller active/active hardware RAID array. Disclosing some config data could be helpful.
1. What underlying Lustre target filesystem? (assuming ldiskfs with a hardware RAID array) 2. What does your current multipath.conf look like? --Jeff On Tue, Aug 20, 2019 at 11:47 PM Andrew Elwell <[email protected]> wrote: > Hi folks, > > we're seeing MMP reluctance to hand over the (umounted) OSTs to the > partner pair on our shiny new ME4084 arrays, > > Does anyone have the device {} settings they'd be willing to share? > My gut feel is we've not defined path failover properly and some > timeouts need tweaking > > > (4* ME4084's per 2 740 servers with SAS cabling, Lustre 2.10.8 and CentOS > 7.x) > > Many thanks > > > Andrew > _______________________________________________ > lustre-discuss mailing list > [email protected] > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org > -- ------------------------------ Jeff Johnson Co-Founder Aeon Computing jeff.johnson at aeoncomputing dot com www.aeoncomputing.com 4170 Morena Boulevard, Suite C - San Diego, CA 92117 High-Performance Computing / Lustre Filesystems / Scale-out Storage
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