Re: Suggestion for hot-replace

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sunday 25 November 2012 11:13:06 Piergiorgio Sartor wrote:
> On Sat, Nov 24, 2012 at 10:37:49PM -0800, H. Peter Anvin wrote:
> > I was looking at the hot-replace (want_replacement) feature, and I
> > had a thought: it would be nice to have this in a form which
> > *didn't* fail the incumbent drive after the operation is over, and
> > instead turned it into a spare.  This would make it much easier and
> > safer to periodically rotate and test any hot spares in the system.
> > The main problem with hot spares is that you don't actually know if
> > they work properly until there is a failover...
> 
> I go for this one.
> 
> Actually, this was also my original thinking for
> the "proactive replacement".
> 
> The only thing that, in addition, should be done,
> is to keep the spare in sleep mode until needed
> (either for hot replacement or for real replacement).
> 
> bye,

Hello, personally I would vote for an option to rotate spares into and array 
like Peter suggests, keeping a drive idle doesn't guarrantee that it's 
actually operational.

/Tommy
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux RAID Wiki]     [ATA RAID]     [Linux SCSI Target Infrastructure]     [Linux Block]     [Linux IDE]     [Linux SCSI]     [Linux Hams]     [Device Mapper]     [Device Mapper Cryptographics]     [Kernel]     [Linux Admin]     [Linux Net]     [GFS]     [RPM]     [git]     [Yosemite Forum]


  Powered by Linux