Valeri Galtsev wrote:
On Fri, March 25, 2016 10:45 am, m.roth@5-cent.us wrote:
Valeri Galtsev wrote:
On Fri, March 25, 2016 9:55 am, m.roth@5-cent.us wrote:
I don't think I've seen this with CentOS 6 or 5, but I had to repair an external RAID box this morning. The server, running CentOS 7, has an LSI HBA card in it, and it's presented to the system as /dev/sdb. I shut off the RAID controller, powered it off,
<snip>
No - I've never done that. With hot-swap drive bays, the system sees it going out, and says so, and then the drive goes away, or becomes inactive... but when I shove one back in, it sees it, though it may make it as /dev/sd[letter+1] (that is, if it had been /dev/sdb, it's now /dev/sdc).
Then we will need real expert to chime in on this...
Yeah, I was wondering about, what, dbus? dracut? <snip>
As I said, I expected the scsi-rescan-bus to clear it up, but though it saw it, nothing changed.
Did you do scsi-rescan-bus after you disconnected the device, and then again after you connected it back? I'm just shooting in a dark, but the
No. I didn't think of doing that, because I thought that once I'd shut the RAID controller down, and powered it off, the system would have noticed.
first one probably will remove the device that disappeared, and the second will add the device back. And it may do nothing about devices that exist
That might have worked; certainly, it's a thought to keep in mind for the future (he says, pushing it onto the stack). <snip> mark