XEVO
Software Manual
Appendix
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Official
Document
94
completion of a write request is signaled as soon as the data is
in cache and actual writing to non-volatile media occurs at a
later time. It speeds up system write performance but needs to
bear the risk where data may be inconsistent between data
cache and the physical disks in one short time interval.
RO
Set the volume to be Read-Only.
GS
Global Spare disks. It is shared for rebuilding purpose. If some
RAID groups need to use the global spare disks for rebuilding,
they could get the spare disks out from the common spare disks
pool for such requirement.
DG
DeGraded mode. Not all of the array’s member disks are
functioning, but the array is able to respond to application read
and write requests to its virtual disks.
SCSI
Small Computer System Interface
SAS
Serial Attached SCSI
S.M.A.R.T.
Self-Monitoring Analysis and Reporting Technology
WWN
World Wide Name
HBA
Host Bus Adapter
SES
SCSI Enclosure Services
NIC
Network Interface Card
BBM
Battery Backup Module