Date: Fri, 26 Jul 2013 18:40:59 +0100 From: Frank Leonhardt <frank2@fjl.co.uk> To: freebsd-questions@freebsd.org Subject: Re: disk is AWOL Message-ID: <51F2B4AB.3090609@fjl.co.uk> In-Reply-To: <CAA3ZYrCYhhabEU%2B2KgMKc4E1v-3-fa-z48JK2GpKrZDUHtrhwg@mail.gmail.com> References: <CAA3ZYrCYhhabEU%2B2KgMKc4E1v-3-fa-z48JK2GpKrZDUHtrhwg@mail.gmail.com>
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On 26/07/2013 17:56, Dieter BSD wrote: > 8.2 amd64 > ad8 is a 3TB Seagate on nforce4-ultra controller > > At boot: > ad8: 2861588MB <ST3000DM001 9YN166 CC4B> at ata4-master UDMA100 SATA 3Gb/s > DEBUG g_part_gpt.c gpt_read_hdr() ad8 succeeded with pp->sectorsize=512 > > An hour later: > # dd if=/dev/ad8 bs=4k count=1 of=/dev/null > dd: /dev/ad8: No such file or directory > > BUT: there was no "ad8: FAILURE - device detached" or similar message > on the console, in dmesg, or in /var/log/*. The disk just disappeared > without a peep from the kernel. What's going on? > Is this repeatable? Does it appear when you reboot and then vanish after a period of time? At boot, what does "atacontrol list" say, and what about before and after you've tried to read from the drive?
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