Miles O'Neal wrote:
> John Summerfield said...
> 
> |> recap: new 64 bit Intel quadcore server with Adaptec SATA RAID
> |> controller, 16x1TB drives.  1 drive JBOD for OS.  The rest are
> |> setup as RAID6 with 1 spare.  We've tried EL5.1 + all yum updates,
> |> and EL5.2 stock.  We can't get /dev/sdb1 (12TB) stable with ext2
> |> or xfs (ext3 blows up in the journal setup).
> |> 
> |> So I decided to carve /dev/sdb up into a dozen partitions and
> |> use LVM.  Initially I want to use one partition per LV and make
> |> each of those one xfs FS.  Then as things grow I can add a PV
> |> (one partition per PV) into the appropriate VG and grow the LV/FS.
> |> Between typos and missteps, I've had to build up and tear down the
> |> LV pieces several times.  And now I get messages such as
> |> 
> |>   Aborting - please provide new pathname for what used to be /dev/disk/by-path/pci-0000:01:00.0-scsi-0:0:1:0-part6
> |> or
> |>   Device /dev/sdb6 not found (or ignored by filtering).
> |> 
> |> I clean it all up, wipe out all the files in /etc/lvm/*/*
> |> (including cache/.cache), and try again, still broken.
> |> 
> |> I tried rebooting.  Still broken.
> |> 
> |> How can I fix this short of a full reinstall?
> |> 
> |> The whole LVM system feels really kludgy.  I suppose there's
> |> not a better alternative at this time?
> |
> |How large a filesystem are you trying to create?
> 
> Each partition is roughly 1TB.  So each pv wll be 1TB
> (12 TB / 12 partitoins per above), hence each vg and lv
> will initially be 1TB.  As the FS grows on an lv, we'd
> add another 1TB PV.
> 
> |What blocksize are you using?
> 
> Default - how does it matter in terms of the errors?

I asked about filesystem size, not volume size.


> The first few times I built everything it worked fine.
> Now when I create the partitions and try to make each
> one a PV, some fail as above.  If I nuke them and start
> over, I get more failures-- maybe the same ones fail the
> same way, maybe not.  Somewhere a config or resource
> has gotten corrupt, but for the life of me I can't find
> it.
> 
> |What research have you done?
> 
> I've gone through a half dozen docs on the web to set
> things up.  I googled for the error messages, but couldn't
> find anything useful.
> 

My research doesn't confirm that you _can_ do what you want using ext2 
or ext3. I will have a better grasp if you answer the questions I asked.




-- 

Cheers
John

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