RE: [NTSysADM] raid 5? in 2016

2016-09-18 Thread Hank Arnold
-Original Message- From: listsad...@lists.myitforum.com [mailto:listsad...@lists.myitforum.com] On Behalf Of Kurt Buff Sent: Friday, September 16, 2016 11:04 AM To: ntsysadm <ntsysadm@lists.myitforum.com> Subject: Re: [NTSysADM] raid 5? in 2016 8 x 500gb = 4tb, raw. RAID5 = 3.5 raw RAID6 or

Re: [NTSysADM] raid 5? in 2016

2016-09-16 Thread Andrew S. Baker
As the drives in question are SSDs, they will rebuild faster than regular SATA or SAS drives. Still, RAID6 is better than RAID5 for timely recovery due to the above… Regards, ASB http://XeeMe.com/AndrewBaker Providing Expert Technology Consulting Services for the SMB market… GPG:860D

Re: [NTSysADM] raid 5? in 2016

2016-09-16 Thread Mark Gottschalk
http://www.zdnet.com/article/why-raid-5-stops-working-in-2009/ It claims a 50% chance of rebuild failure in a RAID5 array with 7 1-TB drives. Your disks are only 500GB, but there are 8 of them. Someone else will have to do the math on that. The consensus starting several years ago (the

RE: [NTSysADM] raid 5? in 2016

2016-09-16 Thread Art DeKneef
adm@lists.myitforum.com> Subject: Re: [NTSysADM] raid 5? in 2016 8 x 500gb = 4tb, raw. RAID5 = 3.5 raw RAID6 or RAID5 + hot spare = 3tb raw Space dwindles quickly when reserving disks for failover/availability. How many VMs? What apps running on them? It's certainly going to be a screaming machine, rega

Re: [NTSysADM] raid 5? in 2016

2016-09-16 Thread Kurt Buff
8 x 500gb = 4tb, raw. RAID5 = 3.5 raw RAID6 or RAID5 + hot spare = 3tb raw Space dwindles quickly when reserving disks for failover/availability. How many VMs? What apps running on them? It's certainly going to be a screaming machine, regardless - depending on type and how many procs are in it,