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AutoRaid 12H and HPUX 11.0

Scott Uttke_2
Occasional Contributor

AutoRaid 12H and HPUX 11.0

I had an earlier post regarding the inability to properly setup a 12H. It ended up that the cable being used did not have an inline terminator. As soon as I installed the proper cable everything shows up as it should.

Now the issue is how to configure one 321750MB VxFS file system on the 12H. When using SAM, to create a new Volume Group the available MB shows as 321750, I set the size to 321750 and get the error that the extent size is not a multiple of 8 so I set the value to 321744 and then the Volume Group will give a message that the size exceeds the allowable limit by this filesystem and then it is rounded down to 131064 or 128MB. We currently have a VxFS filesystem with a size of 455680000 on the server that a previous administrator configured but he is no longer here.

Any help is greatly appreciated......Tx Scott
6 REPLIES
Denver Osborn
Honored Contributor

Re: AutoRaid 12H and HPUX 11.0

We're talking about creating a filesystem larger than 128GB, not MB... right? :)

Either it's defaulting to an hfs filsystem type or the version 2 layout if vxfs. What's the syntax your using with mkfs or newfs?

Can you post the syntax and results of the command.

-Denver
Bernhard Mueller
Honored Contributor

Re: AutoRaid 12H and HPUX 11.0

Hi,

since in the previous post Scott mentioned an L2000 attached to the 12H, it should be 11.0 with VXFS version 3 by default. So I rather guess it might be a missing SAM patch or so.

Hence try the manual setup:
After you created vgXYZ (without any lvol and filesystem) do
# lvcreate -L 321744 -n lvol_name vgXYZ
# newfs -F vxfs -o largefiles /dev/vgXYZ/rlvol_name
# mkdir /nix
# mount /dev/vgXYZlvol_name /nix
# bdf

if that is fine
# umount /nix
edit /etc/fstab:
/dev/vgXYZ/lvol_name /desired_mount_point vxfs delaylog,largefiles 0 2

# mount /desired_mount_point

HTH
Regards,
Bernhard
Scott Uttke_2
Occasional Contributor

Re: AutoRaid 12H and HPUX 11.0

The 12H is now good to go.....

Now for an RS12 with 12-36gb drives....
doing the same procedure here are the results....
[root@master1]# newfs -F vxfs -o largefiles /dev/vgnewopenv/rlvolnewopenv
newfs (vxfs): no space allocated to device /dev/vgnewopenv/rlvolnewopenv
[root@master1]# lvcreate -L 419952 -n lvolrs12 vgrs12
Logical volume "/dev/vgrs12/lvolrs12" has been successfully created with
character device "/dev/vgrs12/rlvolrs12".
Segmentation fault (core dumped)
[root@master1]# ls
core lost+found
[root@master1]# newfs -F vxfs -o largefiles /dev/vgrs12/rlvolrs12
newfs (vxfs): no space allocated to device /dev/vgrs12/rlvolrs12

Any ideas on this one?
Bernhard Mueller
Honored Contributor

Re: AutoRaid 12H and HPUX 11.0

Scott,

my first idea is, you may want to get up-to-date with LVM (and probably other) patches.

second as a workaround try it using several steps,

to me it looks like the lvol has been created but has 0 extents (check using lvdisplay -v)

so either lvremove it and lvcreate a new, or start lvextending the existing 0 extent lvol

i.e.:
lvcreate -L 50000 -n lv_name vgXYZ
lvextend -L 100000 /dev/vgXYZ/lv_name
lvextend -L 200000 /dev/vgXYZ/lv_name
lvextend -L 321744 /dev/vgXYZ/lv_name
newfs -F vxfs -o largefiles /dev/vgXYZ/rlv_name

Regards,
Bernhard
Scott Uttke_2
Occasional Contributor

Re: AutoRaid 12H and HPUX 11.0

I was able to successfully setup the RS12 with your help.....

I ended up deleting everything the other person previously configured. I then used rmsf -H x/x/x
ioscan -H x/x/x
insf -e -H x/x/x
Then used SAM to create a new volume group and changed the default extent size from 4 to 8 and used your previous instructions and everything worked perfectly.....


Thank you very much,
Ted Buis
Honored Contributor

Re: AutoRaid 12H and HPUX 11.0

With respect to the RS/12, you may want to check if that is supported with HP-UX. While that doesn't mean that it won't work, it does give some reasons to be cautious.
Mom 6