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ISAM on Red Hat Enterprise Virtualization with thin-provisioned disks

Troubleshooting


Problem

During high I/O  write intensive operations on RHEV, the ISAM appliance becomes unavailable or performs an unexpected reboot.

Symptom

During a large file upload to an ISAM appliance, on a thinly provisioned disk, the high I/O write is faster than the speed at which disk volume can grow. 
This results in outages of the VM.
A likely example is the upload of a firmware upgrade package (~1Gb .pkg) on a high throughput network (e.g: a local 1000Mbps LAN connection)

Document Location

Worldwide

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Document Information

Modified date:
02 August 2019

UID

ibm10879405