SCSI reservations
This appendix describes SCSI reservation, and how it can be used to provide faster disk fallover times when the underlaying storage supports this feature. For example, SCSI 3 Persistent Reservation allows the stripe group manager (also known as file system manager) to “fence” disks during node fallover by removing the reservation keys for that node. In contrast, non-PR disk fallover causes the system to wait until the disk lease expires.
|
Attention: You should not run these commands in your systems. By running these commands, ... |
Get IBM PowerHA SystemMirror V7.2 for IBM AIX Updates now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
