IBM System Storage Ideas Portal


This portal is to open public enhancement requests against IBM System Storage products. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).


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Welcome to the IBM Ideas Portal (https://www.ibm.com/ideas) - Use this site to find out additional information and details about the IBM Ideas process and statuses.

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Storage Scale (formerly known as GPFS)

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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...
almost 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 ...
almost 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...
about 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 ...
about 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...
about 5 years ago in Storage Scale (formerly known as GPFS) 4 Delivered

Account SE

System: Spectrum ScaleRefer the case ID TS002297333. Actor: User needing new feature for Recovery In customer's environment, there are 2 AD servers to have reliability when the one AD server get down.Spectrum scale(SS) can't get the bemefit of it ...
about 5 years ago in Storage Scale (formerly known as GPFS) 3 Delivered

Spectrum Scale Object Support Currency

We had many request to implement a object Storage-Protokoll in our Company. We plan to implement Scale with Object-Support and want to enable s3. But today in the 5.0.x Code Stream only Openstack Pike are here available. Our Request are to go fowa...
over 5 years ago in Storage Scale (formerly known as GPFS) 2 Delivered

Improve memory-mapped file performance

Memory-mapped files (mmaps) provide a flexible way to handle larger-than memory data. However, reading and writing speed of mmaps on a GPFS file system is worse than using single disk or network-mounted filesystems. It would be great if this could...
over 5 years ago in Storage Scale (formerly known as GPFS) 3 Delivered

better mtu detection in mmnetverify

mmnetverify should try more data sizes than the current data-small/medium/large. F.ex. I just discovered that the ESS installation scripts by defaults sets an MTU of 2048 -- even on ethernet. This is not detected as a problem with the current test...
over 5 years ago in Storage Scale (formerly known as GPFS) 2 Delivered

Add callback for hard quota limit reached.

It would be useful to have a callback option for when hard quota limits where reached. While softQuotaExceeded and usageUnderSoftQuota are very useful, we would like to have an option to register a call back to be notified if a USR, GRP, or FILESE...
almost 6 years ago in Storage Scale (formerly known as GPFS) 2 Delivered

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