HP-UX HB v13.00 Ch-13 - LVM

HP-UX Handbook – Rev 13.00 Page 15 (of 110)
Chapter 13 LVM
October 29, 2013
situation, if the user needs to add a bootable PV to a VG, they must recreate the VG by
giving lesser values for these arguments. By far the biggest factor in the size of the
metadata is the values for MAXPVs and MAXPXs. Alternatively, they can convert the
bootable PV to a normal PV by rerunning pvcreate(1M) on that PV without ‘-B’ option
and then add it to the VG.
Maximum max_pe values for non-boot disks
The following table lists the maximum allowed max_pe (-e) values depending on
max_pv (-p) and pe_size (-s) along with their resulting PV sizes in GB. Since the lv_max
parameter has a lower impact on the results, the table is caculated for lv_max=255,
which is default and also the worst-case. The fields for the default settings –s 4 –p 16
are shaded. Light shading indicates that the only restriction is the max. 65535 PE
barrier for any given PV.
PE size (vgcreate –s pe_size) in MB
PVs/VG (vgcreate –p max_pv)
1
2
4
8
16
32
64
128
256
1
6553
5
64.0
G
65535
128.0
G
65535
256.0
G
65535
512.0
G
65535
1024.0
G
65535
2048.0
G
65535
4095.9
G
65535
8191.9
G
65535
16383.8
G
2
6169
2
60.2
G
65535
128.0
G
65535
256.0
G
65535
512.0
G
65535
1024.0
G
65535
2048.0
G
65535
4095.9
G
65535
8191.9
G
65535
16383.8
G
4
3071
6
30.0
G
62460
122.0
G
65535
256.0
G
65535
512.0
G
65535
1024.0
G
65535
2048.0
G
65535
4095.9
G
65535
8191.9
G
65535
16383.8
G
8
1535
6
15.0
G
31228
61.0G
62972
246.0
G
65535
512.0
G
65535
1024.0
G
65535
2048.0
G
65535
4095.9
G
65535
8191.9
G
65535
16383.8
G
16
7676
7.5G
15612
30.5G
31484
123.0
G
63228
494.0
G
65535
1024.0
G
65535
2048.0
G
65535
4095.9
G
65535
8191.9
G
65535
16383.8
G
32
3836
3.7G
7676
15.0G
15612
61.0G
31484
246.0
G
63228
987.9
G
65535
2048.0
G
65535
4095.9
G
65535
8191.9
G
65535
16383.8
G
48
2556
2.5G
5116
10.0G
10492
41.0G
20988
164.0
G
42236
659.9
G
65535
2048.0
G
65535
4095.9
G
65535
8191.9
G
65535
16383.8
G