[LU-4566] Downgrade lustre version from lustre 1.8.9 to 1.8.7

• Type: Task
• Resolution: Not a Bug
• Priority: Minor
• Environment: redhat 5.7; ; lustre-1.8.9-2.6.18_348.3.1.el5_lustre.g0667314_g7880158; kernel-2.6.18-348.3.1.el5_lustre.g0667314
• Assignee: Cliff White (Inactive)
• Reporter: Supporto Lustre Jnet2000 (Inactive)

Description

For testing purpose, we want to downgrade our lustre environment to version 1.8.7 starting from 1.8.9. Is this operation supported and without risks?
regards