Brad, this can be done. I don't remember the exact procedure (since we built
one and cloned the rest quite a while ago), but an ASv4 install using the text
based anaconda allowed this, plus skipping default swap build (with a warning).
My two volume (3390-9) model system consists of a 100M /boot on /dev/dasdl1,
then /dev/dasdl2 has PV along with /dev/dasdm1:
[EMAIL PROTECTED] ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
14G 3.1G 9.7G 24% /
/dev/dasdl1 97M 21M 72M 22% /boot
-----------------------------------------------------------
[EMAIL PROTECTED] ~]# pvdisplay
--- Physical volume ---
PV Name /dev/dasdm1
VG Name VolGroup00
PV Size 6.88 GB / not usable 2.41 MB
Allocatable yes (but full)
PE Size (KByte) 32768
Total PE 220
Free PE 0
Allocated PE 220
PV UUID 6V2hVT-BGXQ-MN53-XLJg-cmDN-QUJ6-jszkYf
--- Physical volume ---
PV Name /dev/dasdl2
VG Name VolGroup00
PV Size 6.78 GB / not usable 30.42 MB
Allocatable yes
PE Size (KByte) 32768
Total PE 216
Free PE 2
Allocated PE 214
PV UUID 1y67zi-nS56-tisg-CB7n-2Aul-Eg23-0wfpwb
----------------------------------------------------------------
[EMAIL PROTECTED] ~]# vgdisplay
--- Volume group ---
VG Name VolGroup00
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 2
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 1
Max PV 0
Cur PV 2
Act PV 2
VG Size 13.62 GB
PE Size 32.00 MB
Total PE 436
Alloc PE / Size 434 / 13.56 GB
Free PE / Size 2 / 64.00 MB
VG UUID 0k7UXY-OvjY-CrwH-9y6z-J6gp-7SZ0-n5S5G9
-----------------------------------------------------------------
Swap was built after the fact using VDISK with a backup disk:
[EMAIL PROTECTED] ~]# swapon -s
Filename Type Size Used Priority
/dev/dasde partition 32772 0 9
/dev/dasdf partition 32772 0 8
/dev/dasdg partition 32772 0 7
/dev/dasdh partition 32772 0 6
/dev/dasdi partition 65540 0 5
/dev/dasdj partition 65540 0 4
/dev/dasdk1 partition 7211416 0 1
---------------------------------------------------------------------------
[EMAIL PROTECTED] ~]# cat /proc/dasd/devices
0.0.0100(ECKD) at ( 94: 0) is dasda : active at blocksize: 4096,
1802880 blocks, 7042 MB
0.0.0101(ECKD) at ( 94: 4) is dasdb : active at blocksize: 4096,
1802880 blocks, 7042 MB
0.0.0102(ECKD) at ( 94: 8) is dasdc : active at blocksize: 4096,
1802880 blocks, 7042 MB
0.0.0103(ECKD) at ( 94: 12) is dasdd : active at blocksize: 4096,
131400 blocks, 513 MB
0.0.0104(FBA ) at ( 94: 16) is dasde : active at blocksize: 512, 65560
blocks, 32 MB
0.0.0105(FBA ) at ( 94: 20) is dasdf : active at blocksize: 512, 65560
blocks, 32 MB
0.0.0106(FBA ) at ( 94: 24) is dasdg : active at blocksize: 512, 65560
blocks, 32 MB
0.0.0107(FBA ) at ( 94: 28) is dasdh : active at blocksize: 512, 65560
blocks, 32 MB
0.0.0108(FBA ) at ( 94: 32) is dasdi : active at blocksize: 512,
131096 blocks, 64 MB
0.0.0109(FBA ) at ( 94: 36) is dasdj : active at blocksize: 512,
131096 blocks, 64 MB
0.0.0200(ECKD) at ( 94: 40) is dasdk : active at blocksize: 4096,
1802880 blocks, 7042 MB
0.0.0201(ECKD) at ( 94: 44) is dasdl : active at blocksize: 4096,
1802880 blocks, 7042 MB
0.0.0202(ECKD) at ( 94: 48) is dasdm : active at blocksize: 4096,
1802880 blocks, 7042 MB
=> FYI, the 100-104 MDISK's (RO shared libs, iso's, etc.) & 104-109 VDISK's,
200 swap disk
--
[EMAIL PROTECTED]
ITS/CS Network Systems Programmer
State of North Carolina
Office of Information Technology Services
-----
NOTICE: E-mail correspondence to and from this address may be subject to the
North Carolina Public Records Law and may be disclosed to third parties by an
authorized State officials.
-----
-----Original Message-----
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Brad Hinson
Sent: Tuesday, April 08, 2008 10:06 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: What is a good generic disk layout?
Hi all,
Just a followup question (Mike and I are working together on this):
We're considering this layout due to some difficulty we had in the SLES
installer. Ideally, we'd like a 3338 cylinder 100 disk with /boot (ext3
filesystem) and the remaining space used for an LVM volume, so 2
partitions total. However, when we create the /boot ext3 partition, the
LVM button doesn't allow us to use dasda any longer for a Volume Group.
If we take off /boot, we can use dasda, but since /boot can't be on the
LVM this won't work either. It's almost like once you put an ext3
filesystem on dasda, you can no longer use it for LVM.
Has anyone run into this situation before? If so, is there a way to put
2 partitions (1 ext3, 1 LVM PV) on dasda during install?
Thanks,
-Brad
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