Method used to check storage cache

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You can run the showcontroller command on the CLI to check the cache of T series V100R005 storage systems. For V3 series storage systems, run the show controller general command to check the cache.
In the command output, you can obtain related information from the electronic label.
Note: The sum of the two controller memory sizes is the storage cache size.

Other related questions:
Method of checking the RAID controller card cache
To view the cache of the RAID controller card (such as LSISAS2208), access the webBIOS and view RAID controller card (adapter) properties. Some RAID controller cards do not support this function.

Method used to check the IP address and MAC address of a storage device
Method used to check the IP address and MAC address of a storage device: 1. Use the SSH tool to log in to the debug mode. 2. Run ip a to check the IP address and MAC address of the storage device. Storage:~ # ip a a: lo: mtu 16436 qdisc noqueue link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/16 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever b: sit0: mtu 1480 qdisc noop link/sit 0.0.0.0 brd 0.0.0.0 c: eth0: mtu 1500 qdisc pfifo_fast master bond0 qlen 1000 link/ether 78:1d:ba:cc:c7:6b brd ff:ff:ff:ff:ff:ff d: eth1: mtu 1500 qdisc pfifo_fast master bond0 qlen 1000 link/ether 78:1d:ba:cc:c7:6b brd ff:ff:ff:ff:ff:ff e: eth2: mtu 1500 qdisc pfifo_fast qlen 1000 link/ether 78:1d:ba:cc:c7:69 brd ff:ff:ff:ff:ff:ff inet 129.22.242.4/16 brd 129.22.255.255 scope global eth2 inet 172.168.128.102/16 brd 172.168.255.255 scope global eth2:1 inet6 2002:8116:93d:b:7a1d:baff:fecc:c769/64 scope global dynamic valid_lft 2591901sec preferred_lft 604701sec inet6 fec0::b:7a1d:baff:fecc:c769/64 scope site dynamic valid_lft 2591901sec preferred_lft 604701sec inet6 fec0::11/10 scope site tentative flags 08 valid_lft forever preferred_lft forever inet6 fe80::7a1d:baff:fecc:c769/64 scope link valid_lft forever preferred_lft forever f: eth3:mtu 1500 qdisc noop qlen 1000 link/ether 78:1d:ba:cc:c7:68 brd ff:ff:ff:ff:ff:ff g: bond0: mtu 1500 qdisc noqueue link/ether 78:1d:ba:cc:c7:6b brd ff:ff:ff:ff:ff:ff inet 127.127.127.11/24 brd 127.127.127.255 scope global bond0 inet6 fe80::7a1d:baff:fecc:c76b/64 scope link valid_lft forever preferred_lft forever h: bond1: mtu 1500 qdisc noop link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff i: bond2: mtu 1500 qdisc noop link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff Note: Use bond0 as an example. 78:1d:ba:cc:c7:6b following link/either is the MAC address and 127.127.127.11 following inet is the IP address.

Method used to check the snapshot data of a file system in an OceanStor V3 storage system
After creating a snapshot for a file system, you must enable the hidden directory of the snapshot to be visible. Then, you can share the snapshot to a client using the NFS or CIFS sharing service provided by the OceanStor storage system. After sharing the snapshot to a client, you can access and obtain the snapshot data generated at a point in time on the client.

Method used to synchronize time for storage
Method used to synchronize time for storage: 1. Locating procedure: The time for alarms in the storage system is different from that of I2000 or local time. 2. Solution: Time synchronization Log in to the storage's OSM management page, and choose System > System Information > Synchronize System Time. Note: If clock jumping patches have been installed, synchronization on the page cannot be performed. In this chase, you need to modify the time manually following instructions provided in the patch guide.

Method used to format a LUN on the storage
1. The LUN must be formatted after the LUN is created on the storage device. 2. After the LUN is created on the storage device, it is automatically formatted on the storage device without manual intervention. 3. The used LUNs cannot be formatted manually.

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