[linux-lvm] lvm2 volumes not available on boot
jas at cse.yorku.ca
Thu Jul 13 19:10:31 UTC 2006
Dieter Stüken wrote:
> Jason Keltz wrote:
>> Before the vgscan is run, here are the loaded modules:
>> Module Size Used by
>> dm_mirror 28577 0
>> dm_mod 59717 1 dm_mirror
>> joydev 13953 0
>> button 10449 0
>> battery 12741 0
>> ac 8773 0
>> uhci_hcd 32729 0
>> ehci_hcd 31813 0
>> 3w_9xxx 35909 0
>> e1000 99757 0
>> floppy 57937 0
>> ext3 118729 1
>> jbd 60761 1 ext3
>> ata_piix 13381 1
>> libata 57885 1 ata_piix
>> sd_mod 20417 2
>> scsi_mod 116941 3 3w_9xxx,libata,sd_mod
>> ... so "dm_mod" is actually loaded, and as far as I know, that's the
>> lvm2 module.
> I also have two 3w_9xxx since a few weeks, works great!
> If it becomes /dev/sdb, have a look into /sys/block/sdb and
> /proc/partitions if it appears correctly. Also, certain devices
> may be excluded from scanning via /etc/lvm/lvm.conf.
> Does hotplug create /dev/sdb dynamically and in time during boot?
> In the beginning I got problems, as the 3ware controller
> and my SATA backplane both may be configured to delay the
> disk spinup. This caused some timeout trouble.
/sys/block/sdb existed, but I think you're right re: disk spinup since I
inserted a "sleep 5" into rc.sysinit before the call to vgscan and it
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