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daverush

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November 9th, 2015 10:00

ESXi 6: "Out of memory: couldn't allocate handle"

Per KB https://support.emc.com/kb/209541, there is an issue with ESXi 6.0 when using the ScaleIO volume driver.

Impact	Overallocation of memory in the SCSI heap potentially results in a system hang.

Issue	ESXi 6.0 allocates heap memory for SCSI-related messages, however the memory is not freed up. This lack of memory may eventually cause the system to crash. Error messages are one or more of the following: WARNING: ScsiDeviceIO: 1111: Out of memory Device: 222: Unable to allocate device ID memory on heap 0x12345678912 WARNING: ScsiHandle: 333: Out of memory: couldn't allocate handle

Environment	ESXi 6.0.0 ESXi 6.0 U1

Cause	Please contact VMware support for details, citing bugzilla issue #1530009 or the following VMware KB article: See http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&externalId=2137341&sliceId=1 for more information.

Resolution	Current Status: • VMware and ScaleIO engineering departments are working closely on a resolution • VMware engineering is analyzing data from the ScaleIO reproduction • ScaleIO engineering is testing an experimental build of ESXi 6.0 Workaround: In order to recover, the ESXi host must be restarted. Remediation: Fix to be released in ESXi 6.0 P02. Please contact VMware support for details, citing bugzilla issue #1530009 or the following VMware KB article: See http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&externalId=2137341&sliceId=1 for more information.

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