Date: Mon, 2 Nov 2009 15:37:48 -0500 (EST) From: Garrett Wollman <wollman@hergotha.csail.mit.edu> To: jh@sandstorm.net Cc: current@freebsd.org Subject: Re: gnome, automounting, and ataraid don't get along well Message-ID: <200911022037.nA2Kbm43031296@hergotha.csail.mit.edu> References: <4AEF317B.8030200@sandstorm.net>
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In article <4AEF317B.8030200@sandstorm.net>, jh@sandstorm.net writes: >2) the devices in /dev/ufsid/ are associated with partitions on the adN >drives, not for the RAID they're assembled into (not sure whether ata or >ataraid or geom/glabel is responsible for this). This is a long-standing bug in ataraid. It should not be possible to open the individual members of a RAID set for writing, and the existence of the ataraid should spoil other consumers of the individual disk providers. (The same thing happens with regular UFS labels. I think the actual problem is that ataraid works behind GEOM's back, but doesn't withdraw the disk providers so GEOM thinks they are separate devices.) The only workaround that I have found is to disable the poor-man's-RAID and use gmirror instead. In general, having used both ataraid and gmirror systems since 5.x, my impression is that gmirror works better and is more manageable. -GAWollman
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