Functions of a system enclosure

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A system enclosure has the following functions:
A system enclosure integrates a backplane to provide signal and power connectivity among modules.

Other related questions:
Functions of the enclosure frames on OSN 8800
A 400-mm-height enclosure frame can be added on the top of the OSN 8800 cabinet so that the total cabinet height reaches 2600 mm. When a 2.2 m cabinet is placed in a row with a 2.6 m cabinet, the height of the enclosure frame can be added to the 2.2 m cabinet so that the cabinets are of the same height.

Solution if the IDs of a controller enclosure and disk enclosures are incorrect after an initial storage system startup
Solution if the IDs of a controller enclosure and disk enclosures are incorrect after an initial storage system startup: FAQ-What can I do if the IDs of a controller enclosure and disk enclosures are incorrect after an initial storage system startup

Disk enclosure layout on OceanStor V3 storage systems
All enclosures are evenly distributed among the SAS ports. The quantity difference of disk enclosures connected to each SAS port cannot exceed one. For details about the networking, see the Huawei Storage Networking Assistant: http://support.huawei.com/onlinetoolsweb/sna/?language=en

What's the plan for configuring disk enclosures of V3 storage systems?
You can use eDesigner, a storage configuration tool to plan the configuration of V3 storage disk enclosures. To obtain eDesigner, click Link.

Removing disks from a disk enclosure and inserting them into another disk enclosure of the same model on an OceanStor V3 storage system
Except for coffer disks, disks can be removed from a disk enclosure and inserted into another disk enclosure of the same model on an OceanStor V3 storage system. Coffer disks are the first four disks of the first disk enclosure. In coffer disks, the system writes the serial number of the enclosure where coffer disks reside. Upon power-on, the system checks the serial number and denies access of the enclosure if serial number inconsistency is detected. Note that the disk to be removed and reinserted cannot carry data. The disk is recognized as a newly added disk on the disk enclosure where it is reinserted. In addition, users are allowed to relocate a non-coffer storage pool member disk in a disk enclosure or across disk enclosures connected to the same engine. However, the interval cannot exceed two minutes between the removal and reinsertion. After the reinsertion, the storage pool automatically initiates a reconstruction, writing data that is supposed to be written during the absence of the reinserted disk.

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