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Is it the potential risky job by changing daisy chains with configured pool & stored data on ZS3-4 ?

edited Mar 17, 2021 12:29AM in Disk Storage ZFS Storage Appliance (MOSC) 6 commentsAnswered ✓

Hello Experts!

I would like to ask about the possibility and risky ops for daisy chain loop change to reduce the io error counts increase symptom for data protection.


* Current status  *

#1. ZFS SA ZS3-4 (Cluster controller A/A)

#2. 7ea DE2-24C.

#3. 5 DEs were configured as Pool-0. 2 DEs were configured as Pool-1.

#4. Two daisy chains for these DEs. One daisy chain was connected with 5 DEs. The other daisy chain was connected with 2 DEs.

#5. There be installed 2 HBA (4x4 ports) on each controller, two ports of each HBA be used. 2 ports be not used on each 4x4 port HBA.


* Issue *

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