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#1
April 3rd 08, 05:04 PM
posted to comp.arch.storage
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changing disk size in RAID 5
Hi,
At job we have an HP Proliant DL380 G4 High Performance with a RAID 5 array with 4 SCSI disks with 36.4 Gb capacity each one. Last week one disk failed and the RAID 5 is working without one disk. My problem and doubt is that HP is not selling anymore 36.4Gb disks, just 72Gb or 142 Gb disks. My question is: What happen if I change the disk falied and I replace with a 72 Gb one? Can I change one disk with different size than the others 3 in RAID 5? The theory says that RAID 5 is possible with different size disks, but I think that is possible IF is just at the beginning when we create the array, or am I wrong? Thanks for your help Roberto Morales 
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