Ai cumva in \etc\raidtab persistent superblock setat pe 0?..trebe 1 :)
Laurentiu Gosu
----- Original Message -----
From: "George Razvan NICA" <[EMAIL PROTECTED]>
To: "Romanian Linux Users Group" <[email protected]>
Sent: Wednesday, October 05, 2005 18:04
Subject: [rlug] Array-ul RAID porneste in state "degraded"...
> Salut!
>
> Versiunea scurta: la fiecare reboot, array-ul raid1 facut in software
> porneste faulty, doar cu un disc. Poate fi rebuild-uit, e OK _dar_ la
> reboot e in acceeasi stare, faulty.
>
> Aveti vreo idee despre cum pot rezolva problema?
>
> Versiunea lunga:
> Am 2 diskuri SATA pe o masina. Doua partitii (/dev/sda3, /dev/sdb3) sunt
> puse in software-raid-1. La fiecare reboot array-ul porneste doar cu
> /dev/sdb3. Dupa "mdadm --add /dev/md1 /dev/sda3" merge OK. La reboot e
> iar "degraded". Iata o demonstratie mai jos [trebuie sa ma credeti pe
> cuvant ca e faulty la reboot :)]:
>
> === cut here ===
> vault:~# cat /proc/mdstat | grep -A1 md1
> md1 : active raid1 sdb3[1]
> 10008384 blocks [2/1] [_U]
> vault:~# date
> Wed Oct 5 18:46:13 EEST 2005
> vault:~# mdadm --add /dev/md1 /dev/sda3
> mdadm: hot added /dev/sda3
> vault:~# date
> Wed Oct 5 18:59:49 EEST 2005
> vault:~# cat /proc/mdstat | grep -A1 md1
> md1 : active raid1 sda3[0] sdb3[1]
> 10008384 blocks [2/2] [UU]
> === and here ===
>
> Folosesc Debian/stable stock-kernel (2.6.8-2-686-smp) deci si initrd
> (md-ul e modul), partitiile sunt marcate ca "Linux raid autodetect",
> boot-loader-ul e GRUB. FYI, mai jos, (hd0,0) e /dev/sda1 care e pus in
> software-raid-1 cu /dev/sdb1 ca /dev/md0 si e montat ca /boot. Merge OK.
>
> Iata mai jos chestii relevante din configuratii:
>
> === cut here ===
> KERNEL
> ------
> vault:~# uname -a
> Linux vault 2.6.8-2-686-smp #1 SMP Thu May 19 17:27:55 JST 2005 i686
> GNU/Linux
>
> PARTITII
> --------
> vault:~# sfdisk -l /dev/sda | grep sda3
> /dev/sda3 * 132 1377 1246 10008495 fd Linux raid autodetect
> vault:~# sfdisk -l /dev/sdb | grep sdb3
> /dev/sdb3 132 1377 1246 10008495 fd Linux raid autodetect
>
> KERNEL CMDLINE
> --------------
> vault:~# cat /proc/cmdline
> root=/dev/md1 md=1,/dev/sda3,/dev/sdb3 ramdisk_size=16384 ro
>
> GRUB CONFIG
> -----------
> vault:~# cat /boot/grub/menu.lst | grep -A5 2.6.8-2-686-smp
> title Debian GNU/Linux, kernel 2.6.8-2-686-smp (RAID)
> root (hd0,0)
> kernel /vmlinuz-2.6.8-2-686-smp root=/dev/md1
> md=1,/dev/sda3,/dev/sdb3 ramdisk_size=16384 ro
> initrd /initrd.img-2.6.8-2-686-smp
> savedefault
> boot
> === and here ===
>
> Vreo idee?
>
> --
> GRN
>
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> [email protected]
> http://lists.lug.ro/mailman/listinfo/rlug
>
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