[gpfsug-discuss] Happy 20th birthday GPFS !!

Sorry I missed the anniversary of your conception (announcement letter) back on August 26th, so I hope you'll accept my belated congratulations on this long and exciting journey! https://www-01.ibm.com/common/ssi/cgi-bin/ssialias?subtype=ca=an=iSource=897=ENUS297-318 I remember your parent,

[gpfsug-discuss] mixed verbsRdmaSend

hi all, what is the expected behaviour of a mixed verbsRdmaSend setup: some nodes enabled, most disabled. we have some nodes that have a very high iops workload, but most of the cluster of 500+ nodes do not have such usecase. we enabled verbsRdmaSend on the managers/quorum nodes (<10) and on the

Re: [gpfsug-discuss] Use AFM for migration of many small files

Hello Venkateswara, Edward, Thank you for the comments on how to speed up AFM prefetch with small files. We run 4.2.2-3 and the AFM mode is RO and we have just a single gateway, i.e. no parallel reads for large files. We will try to increase the value of afmNumFlushThreads. It wasn’t clear to

Re: [gpfsug-discuss] Change to default for verbsRdmaMinBytes?

Hi, you still need both of them, but they are both on the list to be removed, the first is already integrated for the next major release, the 2nd we still work on. Sven On Wed, Sep 6, 2017 at 4:55 AM Kenneth Waegeman wrote: > Hi Sven, > > I see two parameters that

Re: [gpfsug-discuss] filesets inside of filesets

Hello Damir, the files that belong to your fileset "backup" has a separate quota, it is not related to the quota in "b1000". There is no cumulative quota. Fileset Nesting may need other considerations as well, in some cases filesets behave different than simple directories. -> For NFSV4 ACLs,

Re: [gpfsug-discuss] filesets inside of filesets

Filesets in filesets are fine. BUT if you use scoped backups with TSM... Er Spectrum Protect, then there are restrictions on creating an IFS inside an IFS ... Simon From: > on behalf of

[gpfsug-discuss] Save the date! GPFS-UG meeting at SC17 - Sunday November 12th

The 2017 Supercomputing conference is only 2 months away, and here’s a reminder to come early and attend the GPFS user group meeting. The meeting is tentatively scheduled from the afternoon of Sunday, November 12th. Exact location and times are still being discussed. If you have an interest in

Re: [gpfsug-discuss] Change to default for verbsRdmaMinBytes?

Hi Sven, I see two parameters that we have set to non-default values that are not in your list of options still to configure. verbsRdmasPerConnection (256) and socketMaxListenConnections (1024) I remember we had to set socketMaxListenConnections because our cluster consist of +550 nodes.