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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Storage Scale (formerly known as GPFS)

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GPFS needs better contol over NSD IOs for mixed devices SSD + SATA

For a cluster that has a mix of SSD and SATA drives for different storage pools the current architecture queues IO to small (64K) and large queues. For the cluster I was examining we saw SSD IOs being blocked by slow SATA IOs on the NSD server for...
over 7 years ago in Storage Scale (formerly known as GPFS) 3 Not under consideration

Create empty nodeclass

We need to create nodeclasses before we have nodes available to assign to the node class. This will allow us to set GPFS configuration for the nodeclass through our configuration management scripts and help ensure we have standardized configuratio...
almost 2 years ago in Storage Scale (formerly known as GPFS) 2 Not under consideration

File sync tools and Spectrum Scale permissions

Copying data in Spectrum Scale, especially from external sources, can be problematic at times due to the way permissions work. This is particularly a problem when data needs to be synced through time in preparation for cutting over from a new exte...
over 5 years ago in Storage Scale (formerly known as GPFS) 3 Not under consideration

DMAPI session info truncated on non-session nodes

observed on Spectrum Scale 5.1.0 + 5.1.5 invoking dm_query_session on the session node returns session info as expected. However, invoking the same call on non-session nodes returns the first 8 bytes of session info only, followed by the NULL cha...
almost 2 years ago in Storage Scale (formerly known as GPFS) 0 Future consideration

DMAPI dm_getall_disp returns unexpected dispositions

observed on Spectrum Scale 5.1.0 + 5.1.5 For the set of sessions and dispositions: M1 - session which has called dm_set_disp on the global handle to receive mount events F1 - session which has called dm_set_disp on an fs (fs1) during a mount event...
almost 2 years ago in Storage Scale (formerly known as GPFS) 0 Future consideration

Scale IP balancing code with NFS and Samba

Nfs crash on protocol nodes brings down samba with ces root. "While waiting for the abrt trigger, please investigate why NFS crashes bring down Samba. There are cases that NFS crashes do not bring down Samba in the past.
over 7 years ago in Storage Scale (formerly known as GPFS) 3 Not under consideration

NSD client IO should have a time-out and a retry tunable per filesystem (JUMP Trading LLC)

The current Spectrum Scale configuration does not give the customer the ability to provide a timeout or retry values to NSD client IO. Since these tuning parameters do not exist, this can result in hung IOs or unexpected IO errors when the NSD ser...
over 7 years ago in Storage Scale (formerly known as GPFS) 4 Not under consideration

Prioritization of mmrestripefs -r block rebuilds

When a FPO mmrestripefs -r kicks off it should prioritize rebuilding blocks that have 2 duplicates missing over blocks that only have one duplicate missing.
almost 6 years ago in Storage Scale (formerly known as GPFS) 2 Not under consideration

Spectrum Scale DMAPI Locking issues

mmap calls are allowed against files where we have acquired DM_RIGHT_EXCLUSIVE, as long as the handle used for mmap was opened before the exclusive right was acquired. Acquiring DM_RIGHT_EXCLUSIVE access on a file with current active mmaps succeed...
almost 2 years ago in Storage Scale (formerly known as GPFS) 1 Not under consideration

Media read error to trigger auto rewrite

When a media read error is reported by a device a read from another replica should be followed by a rewrite to the original device to allow the devices LBA to use a different part of the device.
almost 6 years ago in Storage Scale (formerly known as GPFS) 2 Not under consideration

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