new hotswap drive not seen in SCSI scan without reboot?
Dan Nelson
dnelson at allantgroup.com
Sat Jun 11 01:42:58 GMT 2005
In the last episode (Jun 10), D. Goss said:
> Experimenting with new IBM xSeries 345. It has six hot-swap U320
> SCSI bays. Just got another hot-swap drive/tray that is an IBM part
> to add. I inserted drive with system up and running and then logged
> in via SSH and went to SU/root. From there I ran sysinstall. I went
> to partition the new drive (da2) and it was not seen - I was just
> presented with the current drives in the system (da0 and da1). I
> tried a few more times and cycled the drive. The LOM / remote access
> card was able to see the drive being removed and added and sent the
> corresponding alerts out. Still I couldn't see drive so I rebooted
> system and then it was available via sysinstall.
>
> What am I missing please? I would think with a hot-swap system the
> drive should be able to be found without a reboot. I didn't try
> dropping into single-user mode, maybe that would have done it too.
> My hope was to probe for the SCSI drive and find it while the system
> was fully up.
Try "camcontrol rescan all" to tell the kernel to rescan all the scsi
busses. Otherwise there's no way for it to know you added a device.
--
Dan Nelson
dnelson at allantgroup.com
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