Dear, I've problems with a LVM. I'll explain, I've a HP ML150 (1Gb Ram) 2 Hd MAXTOR SATA 236Gb with Red Hat Es 4 installed.
In a momment the Server Crash down and now, when I try to boot up it gives me the following error:
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sda: asking for cache data failed
sda: asuming drive cache: write through
sdb: asking for cache data failed
sdb: asuming drive cache: write through

reading all physical volumes y después /dev/hda: open failed:
No Medium found".
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Someone see an error in the following ?


pvdisplay

PV Name /dev/sdb1
VG Name VolGroup00
PV Size 232.88 Gb / not usable 0
Allocatable yes (but full)
PE Size 32768
Total PE 7452
Free PE 0
Alocated PE 7452
PV UUID a Key

PV Name /dev/sda2
VG Name VolGroup00
PV Size 232.78 Gb / not usable 0
Allocatable yes
PE Size 32768
Total PE 7449
Free PE 9
Alocated PE 7440
PV UUID a Key

lvdisplay

LV Name /dev/VolGroup00/LogVol00
VG Name VolGroup00
LV UUID a Key (pdu..-...)etc.
LV Write access read/write
LV Status NOT available
LV Size 463.44Gb
Current LE 14830
Segments 2
Allocation inherit
Read Ahead sectors 0

LV Name /dev/VolGroup00/LogVol01
VG Name VolGroup00
LV UUID a Key (pdu..-...)etc.
LV Write access read/write
LV Status NOT available
LV Size 1.94 Gb
Current LE 62
Segments 1
Allocation inherit
Read Ahead sectors 0

vgdisplay

VG Name VolGroup00
System ID
Format lvm2
Metadata Areas 2
MetaData Sequence no 3
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 0
Max PV 0
Cur PV 2
Act PV 2
VG Size 465.66 Gb
PE Size 32.00 Mb
Total PE 14901
Alloc PE / Size 14892 / 465.38 Gb
Free PE / Size 9 / 288.00 Mb
VG UUID a key (ky...etc)