From owner-freebsd-hardware@FreeBSD.ORG  Sun Mar 27 05:19:34 2005
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From: Randy Bush <randy@psg.com>
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Date: Sat, 26 Mar 2005 21:19:31 -0800
To: FreeBSD Hardware <freebsd-hardware@freebsd.org>
Subject: SMART threshold exceeded
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i suspect that this

    twe0: AEN: <twe0: port 0: SMART threshold exceeded>

is not a good sign.  googling tells me it's a failure, but
not whether it is soft or hard.

and i find a bunch of

    g_vfs_done():md0[WRITE(offset=24035328, length=81920)]error = 28
    g_vfs_done():md0[WRITE(offset=24117248, length=12288)]error = 28
    g_vfs_done():md0[WRITE(offset=24129536, length=2048)]error = 28
    g_vfs_done():md0[WRITE(offset=24131584, length=2048)]error = 28
    g_vfs_done():md0[WRITE(offset=24133632, length=98304)]error = 28
    g_vfs_done():md0[WRITE(offset=24231936, length=6144)]error = 28
    g_vfs_done():md0[WRITE(offset=24238080, length=6144)]error = 28
    g_vfs_done():md0[WRITE(offset=24244224, length=2048)]error = 28

in dmesg, but nothing in syslog

the dmesg of the boot sez

# grep twe config/dmesg.raid0
twe0: <3ware Storage Controller. Driver version 1.50.01.002> port 0xb000-0xb00f mem 0xf2000000-0xf27fffff irq 17 at device 3.0 on pci2
twe0: [GIANT-LOCKED]
twe0: 12 ports, Firmware FE7S 1.05.00.065, BIOS BE7X 1.08.00.048
twed0: <Unit 0, RAID5, Normal> on twe0
twed0: 953670MB (1953116672 sectors)
twed1: <Unit 5, JBOD, Normal> on twe0
twed1: 35304MB (72303840 sectors)
Trying to mount root from ufs:/dev/twed1s1a

so how do i find out which spindle?

randy