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At 06:14 PM 12/16/98 EST, you wrote: >Are there any circumstances where disk units of a different size can be added >to an existing RAID array? The Backup and Recovery manual states that you >need 4 disk units of the same size to start RAID protection, and that >additional units can be added later. But it is unclear whether these need to >be the same size units. > >I currently have one RAID array that isn't full; it has four 2gb drives (raw >size). Can I add 4gb (or larger) disk units into this array? We have added >disk units into an existing array in the past, but they have always been of >the same size. If you add DASD of different size, it will form an additional parity set. (ie: you will have to pay the penalty of another parity disk). If I haven't explained this sufficiently, call me. Al +--------------------------------------------------+ | Please do not send private mail to this address. | | Private mail should go to barsa@ibm.net. | +--------------------------------------------------+ Al Barsa, Jr. - Account for Midrange-L Barsa Consulting, LLC. 400 > 390 Phone: 914-251-1234 Fax: 914-251-9406 +--- | 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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