Can you provide more details on your upgrade strategy? In some cases expanding your storage shouldn't impact client / job activity at all.
On Wed, Feb 20, 2019, 11:09 AM Raj Ayyampalayam <ans...@gmail.com> wrote: > Hello, > > We are planning on expanding our storage by adding more OSTs to our lustre > file system. It looks like it would be easier to expand if we bring the > filesystem down and perform the necessary operations. We are planning to > suspend all the jobs running on the cluster. We originally planned to add > new OSTs to the live filesystem. > > We are trying to determine the potential impact to the suspended jobs if > we bring down the filesystem for the upgrade. > One of the questions we have is what would happen to the suspended > processes that hold an open file handle in the lustre file system when the > filesystem is brought down for the upgrade? > Will they recover from the client eviction? > > We do have vendor support and have engaged them. I wanted to ask the > community and get some feedback. > > Thanks, > -Raj > _______________________________________________ > lustre-discuss mailing list > lustre-discuss@lists.lustre.org > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org >
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