Re: fixup_slot failed to find slot....
scunacc <[email protected]> Fri, 10 Mar 2006 12:45:53 -0500
| Newsgroups | gmane.linux.enbd.general |
|---|---|
| Message-ID | <1142012753.6630.59.camel@scuna-gate> |
Dear Peter, > > So, can I create /dev/nda - /dev/nd*n* ? To get 14 devices? > > As many as you like - there is a script for that (MAKEDEV in the > archive), I ought to mention. You need to remember the subdevices too - > enbd devices are partitionable and they need the subdevices. Right - but as it stands it only creates to /dev/ndh - so I added to it to go to n. > They are made or they ain't - no imbetween. Then they are :-) > > - but then mdadm did not work on top of it. > > mdadm? You mean soft raid? Yes. > Soft raid works fine on any block devices - > including enbd. I use it all the time! Please indicate what you mean > there ... I mean I do: mdadm \ --create \ --verbose \ /dev/md0 \ --level=5 \ --raid-devices=13 \ --spare-devices=1 \ /dev/nda \ /dev/ndb \ /dev/ndc \ /dev/ndd \ /dev/nde \ /dev/ndf \ /dev/ndg \ /dev/ndh \ /dev/ndi \ /dev/ndj \ /dev/ndk \ /dev/ndl \ /dev/ndm \ /dev/ndn > there is a special FR1 driver (fast raid 1) for enbd. And > also a FR5 (though it doesn't do as much). At the very least you want > to patch the kernel for FR1 even if you don't use it, as that adds an > ioctl to the MD layer that enbd can use to talk to it with and tell it > all its pains ... Hmmm. OK. Do you have a URL for that? I'll google anyway - just wondered. Kind regards Derek.