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There's a fixed set of possible configurations. If you have 4 drives with parity, you can add maximum 4 without respreading parity. 10 drives in a set require spreading of parity over 8 drives, which is what you are experiencing. Best regards Alexey Pytel Larry Bolhuis <lbolhui@ibm.net> on 05/26/99 09:31:03 AM Please respond to MIDRANGE-L@midrange.com To: MIDRANGE-L@midrange.com cc: (bcc: Alexei Pytel/Rochester/IBM) Subject: RAID set upgrade behavior Recently we upgraded a 720 running V4R3 with just 4 disk units, in a RAID, set to 10 disk units. I would have expected the new drives to show up as part of the RAID set but without any of the parity information on them. This is not what happened as there are now 8 drives with parity information and two without. While this is certainly what I would have WANTED it is not what I have experienced in the past. Note that the system was NOT rebuilt. The drives were just installed, added to the RIAD set, and added to the system ASP. Is this a change in V4R3 that I was not aware of? Has anyone else experienced this? Inquiring minds want to know! - Larry Larry Bolhuis Arbor Solutions, Inc Grand Rapids, MI +--- | This is the Midrange System Mailing List! | To submit a new message, send your mail to MIDRANGE-L@midrange.com. | To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com. | To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com. | Questions should be directed to the list owner/operator: david@midrange.com +--- +--- | This is the Midrange System Mailing List! | To submit a new message, send your mail to MIDRANGE-L@midrange.com. | To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com. | To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com. | Questions should be directed to the list owner/operator: david@midrange.com +---
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