AMCC 9500S User Manual

Page of 103
Controller Object Commands
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49
 //localhost> /c1 show verify
 Verify Schedule for Controller /c1
 ========================================================
 Slot    Day     Hour            Duration        Status
 --------------------------------------------------------
 1       Mon     2:00am           4 hr(s)        disabled
 2       -       -               -               disabled
 3       Tue     12:00am         24 hr(s)        disabled
 4       Wed     12:00am         24 hr(s)        disabled
 5       Thu     12:00am         24 hr(s)        disabled
 6       Fri     12:00am         24 hr(s)        disabled
 7       Sat     12:00am         24 hr(s)        disabled
A status of “disabled” indicates that the controller will not use the defined 
schedule timeslots and will start verifying immediately (within 10 to 15 
minutes), if the verify command is entered manually, or it will begin 
automatically if the autoverify option is set. Rebuilds, migrations, and 
initializations will take priority over verifies. 
/c
x
 show selftest
9000 series controllers support background tasks and allow you to schedule a 
regular time when they occur. 
Selftest is one of the supported background tasks. Rebuild and verify are other 
background tasks for which there are separate schedules. Migrate and 
initialize are additional background tasks that follow the same schedule as 
rebuild. For each background task, up to 7 time periods can be registered, 
known as slots 1 through 7. Each task schedule can be managed by a set of 
commands including adddel, show and set a task. Background task 
schedules have a slot id, start-day-time, duration, and status attributes. 
For details about setting up a schedule for background selftest tasks, see 
“Setting Up a Selftest Schedule” on page 52.
Selftest activity provides two types of selftests; UDMA (Ultra Direct 
Memory Access) and SMART (Self Monitoring Analysis and Reporting). 
Both self tests are checked once each day by default. 
UDMA self test entails checking the current ATA bus speed (between 
controller and attached disk), which could have been throttled down during 
previous operations and increase the speed for best performance (usually one 
level higher). Possible speeds include 33, 66, 100 and 133 Mhz (at this 
writing). Note that UDMA selftest is not applicable (or required) with SATA 
drives, but is left enabled by default.
SMART activity instructs the controller to check certain SMART supported 
thresholds by the disk vendor.  An AEN is logged to the alarms page if a drive 
reports a SMART failure.