Ronde & Schwarz CLIPSTER, Руководство по оборудованию

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Maintenance

SSD Disk Maintenance
55 CLIPSTER | Hardware Guide | Hardware Generation V+
Rohde & Schwarz DVS GmbH
You can identify the SSD disks that are connected to a RAID
controller easily at the R&S DVS system because every two rows
represent one disk set/RAID pack:
Disk sets (RAID packs) of the SSD disk array
With the available RAID feature the R&S DVS system can with-
stand disk failures without losing data or access to data.
Identifying a Defective SSD Disk
In case of an alarm or when suspecting a worn SSD disk, you
have to identify the broken SSD disk first in order to replace it.
Data Loss
If a second disk within the same disk set fails in the
meantime, the data will be unrecoverable.
Alarm
An alarm can be caused by a number of reasons.
Please refer to section “Troubleshooting” on
page 74 first for further details about what to do in
case of an alarm.
If a SSD disk fails, the alarm will be sounded by a
RAID controller. It cannot be switched mute with
the mute button of the operation items. It can be
turned off either with the RAID software manager
or by replacing the broken SSD disk.
Data accesses to the SSD disk array are still
possible because any missing data will be recalcu-
lated from the parity information stored on the
other SSD disks of the disk set. This can limit the
overall performance and realtime operations may
no longer be possible.
disk
set
1
dis
k set
2