Can be Coffer Disks Exchanged with Other Hard Disks

13

is flushed from the memory as a storage device encounters an unexpected shutdown. If you exchange coffer disks with other hard disks, the storage device cannot work properly.

Other related questions:
Can another hard disk in the enclosure become a coffer disk?
No. Coffer disks are used to store important data for the storage system, including configuration data, event information, and log information. When the storage system encounters an unexpected power failure, data in cache is written onto coffer disks. If a coffer disk is replaced by another hard disk in the enclosure, the storage system cannot run normally.

Can a coffer disk be replaced by the coffer disk in another controller enclosure?
No. Coffer disks are used to store important data for the storage system, including configuration data, event information, and log information. When the storage system encounters an unexpected power failure, data in cache is written onto coffer disks. Even the two controller enclosures are of the same manufacturer and type, data stored on their coffer disks is different; therefore, coffer disks in different controller enclosures cannot be interchanged.

Whether coffer disks of OceanStor T Series unified storage can be replaced
Coffer disks of OceanStor T Series unified storage can be replaced with other types of disks or their position can be changed. The replacement of coffer disks has no impact on the operating system of storage systems. Export database data before replacing coffer disks; otherwise, the original configuration data, events, and logs will be lost. Ensure that coffer disks are of the same type. If coffer disks are in the same RAID group, disks in the RAID group must be of the same type.

Replacement of a malfunctioning coffer disk with a hot spare disk
A hot spare disk can replace a malfunctioning coffer disk if the two disks are of the same type and the hot spare disk provides a capacity equal to or larger than that of the coffer disk.

Number of coffer disks in an OceanStor V3 storage system and capacity occupied by the coffer disks
The first four disks in the controller enclosure of the OceanStor 5300 V3/5500 V3 are planned as coffer disks. The first four disks in the first disk enclosure of the OceanStor 5600 V3/5800 V3/6800 V3 are planned as coffer disks. Coffer disks are used to store important data of a storage system. Each coffer disk occupies 5 GB of the capacity. Four coffer disks occupy 20 GB in total.

If you have more questions, you can seek help from following ways:
To iKnow To Live Chat
Scroll to top