Messages in this thread | | | Date | Mon, 9 Sep 2002 09:50:17 -0400 (EDT) | From | Steve Mickeler <> | Subject | Re: md multipath with disk missing ? |
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Oktay,
You should really be using devfs in a situation such as yours, where you need device name consistency during reboots.
On Mon, 9 Sep 2002, Oktay Akbal wrote:
> > > Does this only work with raid-autodetection ? > > > When no autodetection is done and a drive is missing, would a raidstart > > > kill the raid, since the drives are now available with other devices (sda > > > instead of former sdb...) ? > > > > I don't understand your question, sorry. > > Example: > > We have sda - sdb (8 drives) and setup up a raidtab to tell linux that > sda and sde are the same sdc - sdd etc. > Now for some random error the server restarts and the former sda (path to > that drive) is no longer available. So now we have sda,sdb...sdg. > We do not use autodetect, but raidstart to activate the raid. > > now since the former sda is missing the raidtab does not reflect the > actual setup. The raidtab would read, that sda and sdb are the same > drive, which is not true in that case. > > (The device-ordering would not be right for a real setup, but take it as > an example and assume sda-sde sdb-sdf...) > > Would the superblock prevent the wrong use of devices ? > (With raid-configuration setup on top of multipathing ?) > > > > > Oktay Akbal > S-Tec Datenverarbeitung GmbH > Feuerbachstr. 8 > 68163 Mannheim > Tel: 0621-4185070 > Fax: 0621-4185071 > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
[-] Steve Mickeler [ steve@neptune.ca ]
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