On Sun, Nov 18, 2012 at 05:15:47PM -0500, Anuj Goel wrote: > Hi, > > Can smartmontools be used with software RAID ? Yes of course, as long as the member-devices/disks that your md-RAID array consists of support SMART themselves. The resulting block device(s) that implement RAID on top of these devices don't report any SMART attributes/values, however. > I see that it has support for RAID, but that is based on the Hardware > controller. That kind of support in smartmontools for a given controller model and/or controller driver is only relevant if the "hardware"-RAID controller abstracts away the physical disks (by providing the arrays its user or administrator defined - in the controller BIOS or a special setup utility - as ordinary Linux block devices), and does not export these individual drives as standard ATA or SCSI devices (which can support SMART) to the kernel. I've also seen controllers with drivers that do both - you get your array(s) as defined in the controllers setup tool, and also a set of SCSI generic devices (/dev/sg*) that you can use to run smartctl against. -- with best regards: - Johannes Truschnigg ( johannes@xxxxxxxxxxxxxxx ) www: http://johannes.truschnigg.info/ phone: +43 650 2 133337 xmpp: johannes@xxxxxxxxxxxxxxx Please do not bother me with HTML-email or attachments. Thank you.
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