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To answer your questions: RAID5 is not advisable, period. A single bad read during a rebuild kills your entire array. This is more of an issue with HDDs than SSDs, but it's still a consideration. RAID10 is generally the best option, but RAID6 (dual-parity) can also do quite well. You're comparing Jaguars to Hyundais, there. SSDs have better random access, ...


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This is a exercise in planning and setting expectations (to your users, the business, etc.). I'll use servers as an example. When I sell/buy a system, I plan for it to have a primary service life of 3-5 years. That's a pretty good metric for modern equipment since there's usually a substantial jump in technology in the interim and good justification to ...


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VMWare KB 3371739: ESX/ESXi 3.x/4.x hosts do not support 2-terabyte LUNs (3371739) So there is a 2TB - 512kb limit and as I went over that limit by 512kb it caused issues, so I had to create VDs that were each 2097151 MB in size rather than 2097152 MB. From the KB article: Based on the standard, the largest valid LUN capacity support is (2^32)-1 ...


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I ran into a very similar situation and I appreciate the tips found here. In my case, I had changed the IQN in the /etc/iscsi/initiatorname.iscsi file and had restarted iscsi several times, nut still could not connect. The answer for me was to restart iscsid (notice the "d"), specifically, I had to restart both iscsi and iscsid: # service iscsi stop # ...



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