QNAP TES-1885U-D1531-32G User Manual

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The chart below describes the events of an error when using RAID 5.
RAID 5 (Minimum 3 Disks)
QTS
Standard
One drive fails
Degraded mode (may still read
and write).
Degraded mode (may still read
and write).
One drive fails
and there are bad
sectors found in
the other drive(s)
Read only protect mode (for
immediate data backup & hard
drive replacement).
RAID crash.
2 hard drives fail
RAID crash.
RAID crash.
The chart below describes the events of an error when using RAID 6.
RAID 6 (Minimum 4 Disks)
QTS
Standard
One or two drives
drive fail
Degraded mode. (may still read
and write).
Degraded mode. (may still read
and write).
Two drives fail
and there are bad
sectors found in
the other drive(s)
Read only protect mode (for
immediate data backup & hard
drive replacement).
RAID crash.
3 hard drives fail
RAID crash.
RAID crash.

QNAP TES-1885U-D1531-32G Specifications

General

Brand	QNAP
Model	TES-1885U-D1531-32G
Category	Storage
Language	English