well there was one more factor that influenced my decision (which I'm a bit embarrassed to say [š±] ) dohh , after getting on call with dell, it turned out that these are NOT dell , or even enterprise drives. I took the word of the client, and since I didn't see any yellow exclamations in the iDRAC it didn't dawn on me that these are consumer drives but that is what they told me the server is using Samsung SSD 850
________________________________ From: [email protected] <[email protected]> on behalf of Richard Stovall <[email protected]> Sent: Tuesday, September 20, 2016 6:21 PM To: [email protected] Subject: Re: [NTSysADM] Re: raid 5? in 2016- If you don't have seriously high iops needs, I doubt you need raid 10. Jmho. If I thought it was a site I couldn't get to quickly, I'd consider raid 6 with 2 hot spares. Call me crazy... On Sep 20, 2016 4:10 PM, "J- P" <[email protected]<mailto:[email protected]>> wrote: I was thinking a big raid 10, (8x500= 2tb) but no hot spare is a showstopper , as they do not have any real IT in house, , it does stink that I will lose / sacrifice 2 bays for one hot spare. Decided on RAID 10 (6x500gb ) for a total of 1.5TB and the hot spare Jean-Paul Natola ________________________________ From: [email protected]<mailto:[email protected]> <[email protected]<mailto:[email protected]>> on behalf of Jonathan Raper <[email protected]<mailto:[email protected]>> Sent: Tuesday, September 20, 2016 12:27 PM To: [email protected]<mailto:[email protected]> Subject: [NTSysADM] RE: raid 5? in 2016 Yeah, Iāve run into that as well (no hot spare) and I want to smack whoever did the design/config. As for your question, āaside from a losing some space wouldn't a raid 6 and hot spare make MUCH more sense?ā Well, the answer is, āit dependsā (probably, but I like throwing that out there). āŗ This site has been around for YEARS, and provides a good overview of the differences (pros/cons/uses) for different RAID configurations: http://www.acnc.com/raidedu/5 http://www.acnc.com/raidedu/6 I used it about 7 or 8 years ago to help me decide whether to go with RAID 10 or 0+1 on an Oracle DB configuration. (and no, I donāt remember which option I chose, or why). Jonathan From: [email protected]<mailto:[email protected]> [mailto:[email protected]<mailto:[email protected]>] On Behalf Of Doug Hobbs Sent: Monday, September 19, 2016 3:39 AM To: [email protected]<mailto:[email protected]> Subject: [NTSysADM] RE: raid 5? in 2016 ābut still raid 5? and no hot spare?ā Iāve seen this more than once, There are a lot of people out there that were taught old school and that RAID 5 is the de-facto standard RAID setup so they stick with it for years and years! From: [email protected]<mailto:[email protected]> [mailto:[email protected]] On Behalf Of J- P Sent: 16 September 2016 14:11 To: NT <[email protected]<mailto:[email protected]>> Subject: [NTSysADM] raid 5? in 2016 So I inherited this server , (sitting on site since February) low and behold when I fire it up it turns out that whoever set it up used all 8 discs in a raid 5 (granted they are only 500gb enterprise ssd's ) but still raid 5? and no hot spare? I'm trying to figure what the purpose of this server is/was, but aside from a losing some space wouldn't a raid 6 and hot spare make MUCH more sense? I'd like to move some of their VMs to it, as it is a brand spanking new r730 with 96gb of ram The University of Derby has a published policy regarding email and reserves the right to monitor email traffic. If you believe this was sent to you in error, please reply to the sender and let them know. Key University contacts: http://www.derby.ac.uk/its/contacts/ NOTE: This message and any attachments is intended solely for the use of the individual or entity to which it is addressed and may contain information that is non-public, proprietary, legally privileged, confidential, and/or exempt from disclosure. If you are not the intended recipient, you are hereby notified that any use, dissemination, distribution, or copying of this communication is strictly prohibited. If you have received this communication in error, please notify the original sender immediately by telephone or return email and destroy or delete this message along with any attachments immediately.
