3
Coffer disk label
4
Disk module latch
5
Alarm/Location
indicator of the disk
module
6
Running indicator of
the disk module
7
Disk tray
8
Disk
Positions
The first four disks in the storage system are configured as coffer disks.
uses a 2
U controller enclosure with 25 disk slots as an example.
Figure 4-72
Positions of external coffer disks
Capacity partitions
: For the four disks, each spares 5 GB of space to form a RAID 1 group.
The rest of the coffer disk space can be used to store service data.
capacity partitions of external coffer disks.
Table 4-32
Description of external coffer disk capacity partitions
Partition Name
Partition Size
Description
CCDB partition
2 GB
Stores the user configuration information
(such as user configuration data of remote
replication, HyperMetro, and NAS data). The
four coffer disks are mirrors of each other for
redundancy.
LogZone partition
2 GB
Stores system logs and run logs when the
storage system is powered off and write
through is enabled. The four coffer disks are
mirrors of each other for redundancy.
DB partition
1 GB
Stores the user configuration information
(such as information about the LUN capacity,
ID, WWN, Fibre Channel ports, and iSCSI
ports). The four coffer disks are mirrors of
each other for redundancy.
OceanStor 2600 V3
Product Description
4 Hardware Architecture
Issue 09 (2019-05-15)
Copyright © Huawei Technologies Co., Ltd.
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