Fibre to SAS/SATA Disk Array
104
User Manual
5.3.5 Check Volume Set
Use this function to perform Volume Set consistency check, which verifies the
correctness of redundant data (data blocks and parity blocks) in a Volume Set. This
basically means computing the parity from the data blocks and comparing the results
to the contents of the parity blocks, or computing the data from the parity blocks and
comparing the results to the contents of the data blocks.
NOTE: The Volume Set state must be Normal in order to perform
Check Volume Set. Only RAID levels with parity (redundant data)
such as RAID Levels 3, 5, 6, 30, 50, and 60 support this function.
To perform Check Volume Set function:
1. Click on the
Check Volume Set
link.
2. Tick
from the list the Volume Set you want to check. Select the Check Volume
Set options.
Check Volume Set Options:
Scrub Bad Block If Bad Block Found, Assume Parity Data is Good
Re-compute Parity if Parity Error, Assume Data is Good
NOTE: When the 2 options are not selected, it will only check
for errors. It is recommended to perform Check Volume Set
with the 2 options unselected at first. If the result shows errors,
the data must be backed up to a safe storage. Then the two
options can be selected and redo Check Volume Set to correct
the errors.
Summary of Contents for EP-4643S2D2-F8S6
Page 1: ...Fibre to SAS SATA RAID Subsystem User Manual Revision 1 1...
Page 47: ...Fibre to SAS SATA Disk Array User Manual 47 3 Place the drive carefully in the disk slot...
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