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Date: Thu, 26 Apr 2007 21:04:55 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: <rol@...917.net> Cc: "'LKML'" <linux-kernel@...r.kernel.org>, dm-devel@...hat.com Subject: Re: Strange problem with Device Mapper On Thu, 26 Apr 2007 19:12:27 +0200 "Paul Rolland" <rol@...917.net> wrote: > Hello, > > I've a machine that has been installed with Intel Soft Raid on top > of 2 SATA disks. > I'm trying to have this work as a RAID-1 array. > Bios configuration has been done, using 128K chunk, and the kernel > (2.6.20.7) sees perfectly /dev/mapper/isw_xxxxxxxx_RAID1 > > But, I'm facing two problems : > 1 - If i try to create partitions on this device, it does fail (the > values are not interpreted correctly) > > 2 - To avoid 1), I stop the RAID array (dmraid -an), then I do create > exactly the same partition set on /dev/sda, and /dev/sdb, and > then I reactivate RAID (dmraid -ay). > This allows me to see all the /dev/mapper/isw_xxxxxxx_RAID1p1, p2, ... > But, running fsck -t ext2 /dev/mapper/isw_xxxxxxx_RAID1p1 > ends in a lock when the partition is larger than 10Go (well, it is > Ok on the 10Go one, and it locks on the 100Go). > Not a real hardlock, I still can switch to a new VC, but it's not > more possible to start a new command or to stop fsck. > > Should I do everything on the physical disks before activating RAID ? > Is it a normal behavior ? > > BTW, I also noticed that such a device doesn't support BLKRRPART ioctl... > So it is possible that what I'm doing is wrong... > > Any idea ? > cc added. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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