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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