IBM System Storage Ideas Portal


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IBM Spectrum Virtualize / FlashSystem

Showing 681 of 5605

EasyTier Tier priority

Depending on the configuration or status of the pool, EasyTier might place initial data on a lower. This can result in poor performance as new data is added to a system.
over 4 years ago in IBM Spectrum Virtualize / FlashSystem 1 Future consideration

SCSI Unmap at thin SVC volumes: recalculate after Unmap operation the reported value of actual written capacity

If SCSI Unmap operations are executed at SVC thin provisioned volumes, then the SVC GUI reflects the related physical allocation reduction on a consistent way (please see column “Usable Capacity” in the “Pools” view of the SVC GUI). But the data v...
about 2 years ago in IBM Spectrum Virtualize / FlashSystem 1 Future consideration

Allow longer names for flash copy related items.

Currently the following limitation for source volume length is in effect when using FCM and SVC: For IBM Spectrum Protect™ Snapshot to work in combination with dynamic target allocation (SVCDTA) device classes, the name of the SAN Volume Controlle...
about 1 year ago in IBM Spectrum Virtualize / FlashSystem 0 Future consideration

Additional parameter for repairvdiskcopy

Additional parameter "-stoplba lba" for "repairvdiskcopy" command needed: -stoplba lba(Optional) Specifies the last logical block address (LBA) on which to finish the command. The LBA must be specified in hex, with a 0x prefix.
about 8 years ago in IBM Spectrum Virtualize / FlashSystem 0 Not under consideration

Default behavior of formatting a vdisk should be selectable

Default behavior when creating or expanding a vdisk is to format the new capacity. Please allow the customer to customize at the cluster level whether the default is to format or not format.
about 5 years ago in IBM Spectrum Virtualize / FlashSystem 0 Not under consideration

Allow more than one NTP server in Spectrum Virtualize Products

Most products that require time synchronization allow more than one NTP server to be specified. Spectrum Virtualize products only allow one server and that only via the IP address. Here, IBM has to make improvements and allow more than one server....
almost 4 years ago in IBM Spectrum Virtualize / FlashSystem 2 Functionality already exists

add SVC log message when volume mirror copies run out-of-sync

Please add an informational log message to SVC when volume copies 0 and 1 get out-of-sync. Despite the two policies that can be set with the 'mirrorwritepriority' option it would be very helpful to notice problems in the back-end when volume copie...
about 12 years ago in IBM Spectrum Virtualize / FlashSystem 5 Not under consideration

Policy Based Replication Recovery Volume Names

We appreciate the simplicity of Policy Based Replication setup; however, we are in need of these two features to be added: 1. Allow custom naming of the recovery volumes. This is needed because we do not use the same system names between each site...
over 1 year ago in IBM Spectrum Virtualize / FlashSystem 1 Future consideration

Separation of SCSI UNMAP and other offload workloads from offload throttle

SCSI UNMAP rate can oversubscribe backend storage, and rate can be reduced with application of offload throttle on cluster. But this bring other challenges where this offload throttle also throttles XCOPY and other related offload workloads - whic...
6 months ago in IBM Spectrum Virtualize / FlashSystem 1 Not under consideration

vdisk default caching IOgrp assignment

Hi, While creating vdisk, Caching IOGRP assignment is automatic in a cluster containing more than 1 IOgrp. e.g. When vdisk is created on pool1 located on IOG1, its caching IOgrp by default should go to IOG1 maintaing local affinity in order to avo...
over 3 years ago in IBM Spectrum Virtualize / FlashSystem 0 Not under consideration

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