Product manual

VTrak E-Class Product Manual
208
Managing Background Activity
Background activity refers to any of several functions that take place in the
background while normal operation of the VTrak continues.
Background activities work in conjunction with disk arrays and logical drives. See
“Managing Disk Arrays” on page 180 and “Managing Logical Drives” on page 196
for more information about how and when to use background activities.
Background Activity Management includes the following functions:
• Viewing Current Background Activities (page 208)
• Making Background Activity Settings (page 208)
Viewing Current Background Activities
From the Main Menu, highlight Background Activities and press Enter. A count
of current background activities appears, including:
• Rebuild
• PDM (Predictive Data Migration)
• Synchronization
• Redundancy Check
•Migration
• Transition
• Initialization
• Media Patrol
Making Background Activity Settings
1. From the Main Menu, highlight Background Activities and press Enter.
2. Highlight Background Activity Settings and press Enter.
3. Highlight following and press the spacebar to toggle between Enabled and
Disabled.
• Media Patrol – Checks the magnetic media on physical drives
• Auto Rebuild – When enabled and no spare drive is available, the disk
array begins to rebuild as soon as you replace the failed physical drive
with an unconfigured physical drive of equal or greater size
4. Highlight following and press the spacebar to toggle through Low, Medium,
and High rates:
• Rebuild – Rebuilds data to a replacement physical drive in a disk array
• Migration – Change RAID level or add physical drives to disk arrays