RAID level best practice

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hi,

i have 4 dell pe 2950iii physical host (2 hv + 2 esx) connected dell ax4-5i iscsi scan. san having 5+1 sas disk , planning upgrade more 6 disks. 6 disks connected in raid 5 , having 2 lun (ntfs , vmfs) store hv , esx vms. iscsi connect directly through gigabit ethernet switch hosts. there not clustering configured yet planning after upgrading san capacity.

now question best practice raid 5. should extend existing raid 5 new 6 sas disk or should create new raid5. or should have go new raid level better performance.

any suggestion appreciated.


thanks.
vaibhav
vaibhav

i prefer raid 10 or 0+1 better performance raid 5. test environments short lifetimes being rebuilt, i'm willing go raid 0 maximize performance , disk space.


Windows Server  >  Hyper-V



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