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RamSan-500 User’s Manual 45 of 48
Figure 33 – Web Monitor RAID Rebuild Status
If a Flash module fails and it is replaced with a new module, the RAID
must be rebuilt. The RAID is usable while rebuilding, but performance
is limited.
W
ARNING
I
T IS RECOMMENDED THAT THE
R
AM
S
AN REMAIN UNUSED WHILE ANY
RAID
IS
BEING REBUILT IF HIGH PERFORMANCE IS CRITICAL
.
R
EBUILDING
RAID
ARRAYS
GREATLY IMPACTS SYSTEM THROUGHPUT
.
You can use the Web monitor to examine the status of the rebuilding
process. Please view Figure 33 above for a screen shot of RAID
rebuild status. A RAID rebuild should take about 30 minutes to
complete.
5.3.2
5.3.25.3.2
5.3.2 RAID
RAID RAID
RAID F
FF
Failure
ailureailure
ailure
It is unlikely but possible for multiple Flash modules to fail in a single
RAID. If it happens, the system will turn the RAID offline.
System Status: FAIL
Errors: Flash Array
Offline
The front panel display will
show a system failure. The
system should not be exercised
while in a failed state.
If a RAID is put offline, all Flash modules in that array will have their
front LED illuminated red.