HPE Community
Disk Enclosures
1753726 Members
4378 Online
108799 Solutions
New Discussion

Splitting arrays across storage boxes - good or bad idea?

 
toomas_aas
Frequent Advisor

‎02-06-2009 04:29 AM

‎02-06-2009 04:29 AM

Splitting arrays across storage boxes - good or bad idea?

Hello!

We have a MSA1500cs with two MSA30 attached to it. In hopes of achieving better IO performance I have all the arrays split across the MSA30s, i.e. half of the disks in each array are in box1 and half are in box2. But then I started thinking, if one MSA30 dies for whatever reasons, the RAID5 arrays are all toast, right? So maybe this wasn't such a good idea. What do people generally do?
0 Kudos
Reply
1 REPLY 1
Uwe Zessin
Honored Contributor

‎02-06-2009 06:11 AM

‎02-06-2009 06:11 AM

Re: Splitting arrays across storage boxes - good or bad idea?

People split their arrays for performance, not for redundancy. As you've correctly said, you cannot protect RAID-5 against the failure of a complete disk enclosure - but that limitation exists with many other storage arrays as well.
.
0 Kudos
Reply
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.