Materials of SAS3.0 disk expansion cables

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Materials for SAS3.0 disk expansion cables are as follows:
Cables of 1 m, 3 m, and 5 m use copper while cables of 15 m use optical fibers.

Other related questions:
Hard disk capacity expansion for the USG6000 series
The USG6650/6660/6670/6680 supports dual hard disks. Do as follows to install a hard disk on the USG, which has been running for some time with a single hard disk: 1. Ensure that all configurations are saved. 2. Run the disk offline command in the system view. Wait for about 30 seconds until the system indicates that the hard disk stops working, remove the filler panel from the hard disk slot, and install a new hard disk unit. a. Remove the filler panel from the hard disk slot. HDD1 is used as an example. b. Hold the handlers of the tray and push the tray along the guide rails inside the hard disk slot till the tray panel aligns with the panel of the device. c. Press the tray handler inwardly to restore the tray. d. In the system view, run the reset raid primary-disk disk-id command to create a RAID group using disk-id as the primary disk for data synchronization. In this example, the command shall be reset raid primary-disk 0. Several hours later, run the display disk information command. If Filesystem Status is Mounted and DiskRaidMode is ACTIVE, both hard disks work properly. Note: After the RAID is created, the data in the active disk will be synchronized to the backup disk and the original data on the backup disk will be overwritten. Select the disk-id of the active disk before creating RAID.

6900 V3 expansion disk enclosure specifications
V3 series unified storage 6900 V3 V300R001 supports a maximum of 84 expansion disk enclosures and 24 high-density disk enclosures due to limited cascading cable length. Specifications vary with product versions. For the latest specifications, see Product Specifications.

5300 V3 expansion disk enclosure specifications
For V3 series unified storage 5300 V3 V300R001, the maximum number of expansion disk enclosures is 21. Specifications vary with product versions. For the latest specifications, see Product Specifications.

5600 V3 expansion disk enclosure specifications
V3 series unified storage 5600 V3 V300R001 supports a maximum of 42 expansion disk enclosures and 24 high-density disk enclosures due to limited cascading cable length. Specifications vary with product versions. For the latest specifications, see Product Specifications.

5800 V3 expansion disk enclosure specifications
V3 series unified storage 5800 V3 V300R001 supports a maximum of 53 expansion disk enclosures and 24 high-density disk enclosures due to limited cascading cable length. Specifications vary with product versions. For the latest specifications, see Product Specifications.

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