Messages in this thread | | | From | Neil Brown <> | Date | Sat, 1 Mar 2003 07:49:58 +1100 | Subject | Re: RAID SCSI binding |
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On Friday February 28, mblack@csi-inc.com wrote: > Linux 2.4.20 (but not unique to this kernel -- been this way for over a year): > I have a RAID5 array that doesn't startup properly during boot (I have to stop it and restart after the system is up). I've had > this problem forever and have been trying to fix it. > Here's what it looks like when it's up and running: > md4 : active raid5 sdn1[0] sdt1[6] sds1[5] sdr1[4] sdq1[3] sdp1[2] sdo1[1] > 216490752 blocks level 5, 128k chunk, algorithm 0 [7/7] [UUUUUUU] > The partitions types are set to 0x83 and the array is being manually > started in rc.local instead of doing auto-start.
What tool are you using to start the array? raidstart or mdadm? There doesn't seem to be enough noise in the logs for it to be raidstart (no "md: autorun ...") so I assume mdadm.
What do you get if you add "-v" to the mdadm running from rc.local? Can you show me mdadm -E /dev/sda1 /dev/sdo1
NeilBrown
> > So it looks to me like the md driver doesn't like the raid system crossing the major device boundary for some odd reason. > Although I'm not sure why I can stop and restart after the system is totally up but not start it in rc.local using the same > commands:
I suspect this is just a co-incidence. I cannot imagine how the major device number could affect things at all.
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