There seems to be some changes or bug here.. But try usage=dataOnly pool=neverused failureGroup=xx.. and it should have the same function as long as you never place anything in this pool.
-jf tor. 28. mar. 2019 kl. 18:43 skrev Luke Sudbery <[email protected]>: > We have a 2 site Lenovo DSS-G based filesystem, which with (some of the > data) replicated across the 2 sites. We'd like to a 3rd filesystem > descriptor disk so we can lose one site and still have filesystem > descriptor quorum. But this seems incompatible unless we make new vdisks - > which we can't do on non native raid servers. > > We've added a new NSD which now has a free disc, but can't add that disk > as descOnly. > > Adding the new descriptor disk to the system pool says: > mmadddisk: A storage pool may not contain both vdisk NSDs and non-vdisk > NSDs. > > Adding the new disk to a new system_desc pool says: > mmadddisk: Disk usage descOnly is incompatible with storage pool > system_desc. > > Tried adding config to specify the system_desc pool is for metadataOnly > and it still says it's incompatible. > > There is no mention of descOnly disks here: > https://www.ibm.com/support/knowledgecenter/en/SSFKCN_4.1.0/com.ibm.cluster.gpfs.v4r1.gpfs200.doc/bl1adv_planning.htm > > Is it possible add a non-vdisk descOnly NSD to a dss-g/GNR solution? > > Cheers, > > Luke > > -- > Luke Sudbery > Architecture, Infrastructure and Systems > Advanced Research Computing, IT Services > Room 103, Computer Centre G5, Elms Road > > Please note I don't work on Monday and work from home on Friday. > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at spectrumscale.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss >
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