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From: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp>
Date: 25 Sep 2000 14:37:04 +0900
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Subject: [FreeBSD-users-jp 55518] HDD crash and recover
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This is a note for me. I'm still on work...

My HDD having /usr partition crashed this morning. ;_;
Happily, /usr/src and /usr/obj are symbolic link to the directories on
other device. But I lost all of /usr/local/*...
;; jserver and dics too.

1. This morning, I logged in my 5-current box. This caused the panic.
2. On the reboot process, 'fsck -p' failed at checking /usr partition
   and dropped into single user mode.
3. I executed /bin/bash (of cource statically linked) and tried
   re-fsck to see 'HARD ERROR' message or so...
4. 'mount -f -o ro /usr' was successful but no commands /usr/bin/* and
   /usr/sbin/* could be executed.
5. I found full build of the world on Sep/21/2000 under /usr/obj. Yes!
6. I made a symbolic link to /usr from /hogehoge/usr and copied
   /usr/obj/usr/src/i386/usr/* there.
7. /usr/libexec/ld-elf.so.1 and make etc are copied from
   /usr/obj/... to proper directories.
8. Now,
   cd /usr/src
   make -m $(pwd)/share/mk installworld
   if fail return step 7
   make buildkernel KERNEL=MYKERNEL
   make installkernel KERNEL=MYKERNEL
9. Yes, yes yes! I managed to reboot my box again with some
   modification of /etc/fstab.

I was very lucky. Take care folks.
-- 
NAKAJI Hiroyuki ($BCf<#(B $B909T(B)
