Messages in this thread | | | From | "Michael S. Fischer" <> | Date | Tue, 3 Apr 2001 17:12:29 -0700 |
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I forgot to say, we're running kernel 2.4.3 + Sistina LVM patch 0.9.1b6.
> -----Original Message----- > From: Michael S. Fischer > Sent: Tuesday, April 03, 2001 5:09 PM > To: 'mingo@redhat.com'; 'linux-kernel@vger.kernel.org' > Subject: md driver doesn't notice disk going out > > > Hello, > > We're testing lvm over md (RAID 1) for a database > application. Part of our tests include simulating failure. > So, we pulled the power on one of the drives, and the kernel > reported... > > hdd: status error: status=0x00 { } > hdd: drive not ready for command > ... > ide1: reset timed-out, status=0x80 > hdd: lost interrupt > hdd: lost interrupt > hdd: lost interrupt > ... > > However, /proc/mdstat still reports: > > Personalities : [linear] [raid0] [raid1] [raid5] > read_ahead 1024 sectors > md1 : active raid1 hdd[1] hdb[0] > 19925760 blocks [2/2] [UU] > > md0 : active raid1 hdc[1] hda[0] > 19925760 blocks [2/2] [UU] > > It appears the md driver just didn't bother to notice -- and > now all writes to the filesystem are blocked. > > In case it matters, here's our lvm config: > > --- Volume group --- > VG Name data0_vg > VG Access read/write > VG Status available/resizable > VG # 0 > MAX LV 256 > Cur LV 1 > Open LV 1 > MAX LV Size 255.99 GB > Max PV 256 > Cur PV 2 > Act PV 2 > VG Size 38 GB > PE Size 4 MB > Total PE 9728 > Alloc PE / Size 7680 / 30 GB > Free PE / Size 2048 / 8 GB > VG UUID 6XH7Nq-JL9u-cbjw-rUoP-Kx9o-hlZN-LPhdmj > > --- Logical volume --- > LV Name /dev/data0_vg/data0_lv > VG Name data0_vg > LV Write Access read/write > LV Status available > LV # 1 > # open 1 > LV Size 30 GB > Current LE 7680 > Allocated LE 7680 > Stripes 2 > Stripe size (KByte) 16 > Allocation next free > Read ahead sectors 120 > Block device 58:0 > > > --- Physical volumes --- > PV Name (#) /dev/md0 (1) > PV Status available / allocatable > Total PE / Free PE 4864 / 1024 > > PV Name (#) /dev/md1 (2) > PV Status available / allocatable > Total PE / Free PE 4864 / 1024 > > Please CC: me on replies. Thanks. > > -- > Michael S. Fischer / michael at auctionwatch.com / http://www.auctionwatch.com Systems Engineer, AuctionWatch.com Inc. / Phone: +1 650 808 5842 - 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/
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