[CentOS] SAS storage arrays, C6, and SES lights
John R Pierce
pierce at hogranch.comMon Aug 15 18:19:22 UTC 2011
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So I'm curious how SAS JBOD arrays and linux MDraid as implemented in CentOS6, and SES (SCSI/SAS Enclosure Services) backplane controllers 'get along' and how much configuration is needed to get the warning lights to work properly. scenario: whitebox server with a SAS backplane or two, daisy chained on a SAS HBA (like an LSI Logic 2008), and disks organized as several raid5/6 using linux mdraid. Does this system have to be configured to ensure that the activity and failure lights match the drive bays, or does the SAS/SES spec all sort that out 'plug and play' ? does mdraid properly set those warning lights automatically on a failed raid element? -- john r pierce N 37, W 122 santa cruz ca mid-left coast
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