Scott, Thanks for that.. I have the Redbook handy and followed the same procedure.
But there it is mentioned how to use RAID 5 (7+P) combination. And also while creating Arrays, I dont see RAID 5 (7+P) but it automatically pick ups RAID 5 (6+P+S). Regards, Raju On Fri, Feb 15, 2013 at 1:01 PM, Scott Ford <[email protected]> wrote: > Raju, > > http://www.redbooks.ibm.com/abstracts/sg248085.html?Open > > Scott ford > www.identityforge.com > > Tell me and I'll forget; show me and I may remember; involve me and I'll > understand. - Chinese Proverb > > > On Feb 15, 2013, at 3:26 AM, Raju Reddy <[email protected]> > wrote: > > > Dear All, > > > > We are under the process of migrating to DS8870 from DS8810. > > > > While I create new Ranks with Array capacity of 2400GB(8*300GB), I get > > around 1652GB of usable storage while rest will go for Parity and Spare. > > > > We use SSD disks and I used Ranks to pick RAID5 which automatically > picked > > RAID 5 (6+P+S) and thus causing loss of 750 GB of storage. > > > > We need RAID 5 (7+S) for 'Development' LPAR's to increase the usable > > storage but DS8000 GUI is not allowing me chose RAID 5 (7+S) combination. > > > > Can you please advice how to make Ranks pick RAID 5 (7+S) combination.? > > > > > > Regards, > > Raju > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
