Online upgrade of ZCE-X storage from 4.2.x to 5.2.x
Applicable scenario
- Product:
ZCF - Component:
ZCE-X - Versions:
4.2.x, 5.2.x - Current storage version:
4.2.x - Target storage version:
5.2.x - Intermediate version:
4.2.x.* - Operating system/architecture:
C76/X86 - Trigger: An online storage upgrade is required, or
4.2.xrocksdb exceptions cause a MON node to go down or dual-management database desynchronization that later self-recovers.
Symptoms
- A
4.2.xenvironment cannot be upgraded directly to5.2.x. - The
4.2.x.*intermediate version is required. - The upgrade restarts OSDs and related services one by one and can cause storage-performance fluctuations.
- Confirmed
4.2.xrocksdb exceptions can cause a MON node to go down or dual-management database desynchronization that later self-recovers.
Sign in to view the rest of this article, plus more troubleshooting and solution know-how.
Sign in