IBM System Storage Ideas Portal


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Storage Scale (formerly known as GPFS)

Showing 140

Scale version on ESS lags behind critical fixes

The version of Scale on ESS lags behind releases of Scale, exposing customers to critical defects.
about 5 years ago in Storage Scale (formerly known as GPFS) 3 Delivered

Support CES NFS on SLES on Linux on Sysetm z

We run SUSE (12 and 15) SLES and the AFM DR. We need to have it running over NFS v4 since NFS V3 is considered not secure.
over 5 years ago in Storage Scale (formerly known as GPFS) 3 Delivered

mmhealth should complain about NSDs which have lost one path

Listing the NSDs shows that some of themhave only one path available. One of the two servers of a building block does not see the Volume:[root@justnsd01a ~]# mmlsnsd -f cesSharedRoot -X Disk name NSD volume ID Device Devtype Node name Remarks ----...
over 5 years ago in Storage Scale (formerly known as GPFS) 2 Delivered

mmbackup does not handle EXCLUDE.DIR rules preferentially over EXCLUDE rules

The TSM BA client dsmc by default includes everything in the backup domain (defaults to all local filesystems), optionally allowing one to exclude paths and even re-include paths that would by excluded by previous rules. There are two mechanisms f...
over 5 years ago in Storage Scale (formerly known as GPFS) 2 Delivered

ESS and Spectrum Scale version numbers don't line up

As it stands today, ESS version numbers do not match the version of Spectrum Scale installed on the ESS. This is confusing. As an example, ESS version 5.3 is Scale version 5.0.3.
over 5 years ago in Storage Scale (formerly known as GPFS) 4 Delivered

Unexpected Very High bandwidth utilization with large block size (16M) on GPFS File system

Unexpected Very High bandwidth utilization with large block size (16M) on File system . When I look at the performance graph , bandwidth used is in 30-50 GBps when user runs a app/job against 16MB block size file system. When same app/job is run a...
over 5 years ago in Storage Scale (formerly known as GPFS) 5 Delivered

Spectrum Scale (ESS) AFM-DR Role Reversal Performance Enhancement

AFM (or AFM DR) uses the file handles (FH) for the replication. FH uniquely identifies the target path (DR) for the local file (primary). For NFS , NFSv3 file handle which is stored in the inode. NFSv3 FH can be directly used for the IO. When the ...
over 5 years ago in Storage Scale (formerly known as GPFS) 2 Delivered

Option to reduce verbosity of NFSv4 ACLs and use standard format

When using NFSv4 ACLs the Spectrum Scale commands use a verbose format to describe each ACL entry, rather than the standard single line as per the NFSv4 standard. This request is to have a command line argument to the ACL commands (mmeditacl, mmge...
over 5 years ago in Storage Scale (formerly known as GPFS) 2 Delivered

mmkeyserv: changing from regular to simplified setup

Our system was setup for encryption a few years ago with "regular setup" for the key management (manual copy and synchronisation of RKM.conf, etc).To simplifiy and secure the regular key exchange, we want to switch to the "simplified setup" using ...
over 5 years ago in Storage Scale (formerly known as GPFS) 3 Delivered

Metadata Slowness when list files in Spectrum Scale snapshot of an independent fileset with many dependent filesets. (fileset scaling)

Please refer to IBM Support Case ID: TS002244951 Listing of files in a Snapshot with 961 filesets takes about 3 min for the first time. The subseqent runs of ls -ltr command run much faster. In this case /ace/home is independent fileset with 961 d...
almost 6 years ago in Storage Scale (formerly known as GPFS) 4 Delivered

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