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Re: [linux-lvm] lvm2 volumes not available on boot



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 works now!

Jason.


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