Re: [CentOS] scsi3 persistent reservations in cluster storage fencing

2011-05-24 Thread Devin Reade
--On Friday, May 20, 2011 02:28:18 PM -0700 John R Pierce wrote: [snip] > One question I have is: how well will this scale with several strings of > 100 SAS drives on the same HA pair of servers? > > Can SAS storage instead be fenced at the SES/expander level rather than > having to use reserv

Re: [CentOS] scsi3 persistent reservations in cluster storage fencing

2011-05-21 Thread Steven Crothers
You might be able to go a simpler route, try building a GFBD between them and sharing the storage that way. I personally have never tried it, but that might give you the HA you're looking for while staying withing the CentOS/Upstream packaging. One added benefit is the ability to scale vertically a