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Bug#511257: upgrade-reports: Lenny can not start from software mirror (md0) on IBM xSeries 330 server



reassign 511257 mdadm
thanks

On Donnerstag, 8. Januar 2009, Rogaturus wrote:
> Problem: 1u server IBM x330 series (2x1.4G p!!! Cpu, 2G Ram, 2 SCSI 36G HDD
> on aic 7892 Ultra 160 SCSI adapter) work fine under Debian Etch (kernel
> 2.6.18). Root file system was placed on software mirror, created by mdadm
> (md0). After upgrade to Lenny or clean install from Lenny testing CD
> (weekly build), system not start after first reboot in new 2.6.26 kernel.
> Diagnostic message say: "ALERT: /dev/md0 not exist. Dropping to shell".
> To solve this problem i add delay into mdadm script in /scripts/local-top
> in initrd.img-2.6.26-1-686
> patch is:
> ----------------
> 16a17,18
>
> > /bin/sleep 5.0
>
> ----------------
> I think scsi driver in 2.6.26 start very slow and mdadm can't init md0
> properly. When i reduse delay to 3.0 sec only one partition (/dev/sda1) was
> been binded sucsessfuly I can send dmesg output from failed system,
> succsessfuly boot system, and system boot wtihs only one of two partition
> if needs. WBR Rogaturus


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