Dell PowerVault DX6112 Dell DR Series System Release Notes For Release 2.0.1.0 - Page 14

Error Issue Code Description Workaround/Solution Ensure that before an external expansion shelf enclosure is cabled to and powered on to a Release 2.0 DR4000 or DR4100 system only after the DR Series system has been powered down. • Connect the cabling between the external expansion shelf enclosure and the DR4000 or DR4100 system. • Power on the external expansion shelf enclosure. • Power on the DR4000 or DR4100 system. 13580 13790 14126 User intervention is required when booting up a system that was rebooted due to a shelf going offline. This condition can occur when an external expansion shelf enclosure goes offline, which requires that the DR Series system be rebooted. During the DR Series system boot up, it halts in the PERC800 configuration process, and prompts you to press to import the Foreign Disks. To resolve this issue, press to import the Foreign Disks, and allow the boot up process for the DR Series system to complete and boot normally. Once the process completes normally, the DR Series system will come up, and enter its Operational mode. DR Series system performance drops when background initialization runs on an external expansion shelf. Whenever an external expansion shelf enclosure is added to the DR Series system, this causes a one-time only impact to the DR Series system performance. The impact is a result of the background initialization (BGI) process running for an external expansion shelf (the system RAID disks require such initialization). BGI can take approximately 2 hours for a 3 Terabyte (TB) external expansion shelf enclosure to complete. There is no workaround for BGI. This is a one-time only process that occurs when an external expansion shelf enclosure is added. During BGI that is associated with the addition of an external expansion shelf enclosure, you should expect that performance for the DR Series system will be slower than usual. Do not connect an external expansion shelf enclosure to a DR Series system prior to upgrading to the 2.0 release. Serious system issues will occur if any To resolve this issue, observe the DR4000 systems running the pre-2.0 following best practice for release system software connect and upgrading earlier DR4000 systems power on any external expansion shelf to the 2.0 release software (this enclosure, and then upgrade to the DR must be done prior to connecting Series system 2.0 release software. To and powering on an external prevent this condition, observe the expansion shelf enclosure): following best practice: • An expansion shelf enclosure should only be powered on and connected to a DR4000 system after the system has been upgraded to the 2.0 release software. • Follow the recommended sequence of operations listed in the Workaround/Solution section. 1. Upgrade the DR4000 system with the release 2.0 system software. 2. Power off the DR4000 system (required for 2.0 with Dell OpenManage 7.1). 3. Connect the external expansion shelf (or shelves) with cabling to the DR4000 system. 4. Power on the external expansion shelf (or shelves). 14