Flashes (Alerts)
Abstract
NX-gZIP is a new feature enabled on Linux Operating System starting from RHEL-8.5. This feature is supported on POWER9 Bare-metal with DD2.2 or later, but is not supported on POWER9 DD2.1, which is a Coral hardware.
Content
Linux Releases Affected
RHEL-8.5 or later.
IBM Systems Affected
POWER9 Bare-metal DD2.1 also known as AC922 family of POWER9 hardware.
Symptoms
If NX-gzip is supported on POWER9 hardware, then Linux Operating System creates /dev/crypto/nx-gzip
# ls -l /dev/crypto/
total 0
crw-------. 1 root root 245, 0 Dec 13 21:38 nx-gzip
This device does not exist on POWER9 Bare-metal DD2.1 hardware while running RHEL-8.5 or later version of Distro.
Workaround
There is no workaround for this issue. The customer has to use POWER9 Bare-metal DD2.2 or later.
Fix Outlook
No mirror data.
I/O device impacted
None.
[{"Type":"MASTER","Line of Business":{"code":"LOB26","label":"Storage"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SGMV157","label":"IBM Support for Red Hat Enterprise Linux Server"},"ARM Category":[{"code":"a8m0z000000Gnl7AAC","label":"Red Hat Enterprise Linux"}],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]
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Document Information
Modified date:
23 December 2021
UID
ibm16528332