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Veritas InfoScale™ 7.4.1 Virtualization Guide - AIX
Last Published:
2019-02-01
Product(s):
InfoScale & Storage Foundation (7.4.1)
Platform: AIX
- Section I. Overview
- Storage Foundation and High Availability Solutions in AIX PowerVM virtual environments
- Section II. Implementation
- Setting up Storage Foundation and High Availability Solutions in AIX PowerVM virtual environments
- Supported configurations for Virtual I/O servers (VIOS) on AIX
- Installing and configuring Storage Foundation and High Availability (SFHA) Solutions in the logical partition (LPAR)
- Installing and configuring Cluster Server for logical partition and application availability
- Supported configurations for Virtual I/O servers (VIOS) on AIX
- Setting up Storage Foundation and High Availability Solutions in AIX PowerVM virtual environments
- Section III. Use cases for AIX PowerVM virtual environments
- Application to spindle visibility
- Simplified storage management in VIOS
- Configuring Dynamic Multi-Pathing (DMP) on Virtual I/O server
- Configuring Dynamic Multi-Pathing (DMP) pseudo devices as virtual SCSI devices
- Extended attributes in VIO client for a virtual SCSI disk
- Virtual machine (logical partition) availability
- Simplified management and high availability for IBM Workload Partitions
- Implementing Storage Foundation support for WPARs
- How Cluster Server (VCS) works with Workload Patitions (WPARs)
- Configuring VCS in WPARs
- High availability and live migration
- Limitations and unsupported LPAR features
- Multi-tier business service support
- Server consolidation
- About IBM Virtual Ethernet
- Using Storage Foundation in the logical partition (LPAR) with virtual SCSI devices
- How DMP handles I/O for vSCSI devices
- Physical to virtual migration (P2V)
- Section IV. Reference
Tracing file read-write event
Trace events also support tracing of read-write operation. Trace can provide information such as file offset, file data size, file segment, and time taken for read-write operation.
In this example, the trace hook identifier for VxFS file read-write operation is 0E1. For tracing only file read-write operation, enter:
# trace -a -j 0E1 & # trcon # cat script.sh (file on VxFS file system) # trcoff # trcstop # trcrpt > trace.out
Sample output:
0E1 9.285786109 0.223881 VxFS rdwr (vp,ip)=(F1000A02A334B500,F1000A02A334AF20) 0E1 9.285796646 0.010537 VxFS read offset=00001000, seg=829B85, bcount=1000, ip=F1000A02A334AF20