Hi,
On Sunday 21 June 2009 11:48:58 Giuseppe Iuculano wrote:
> severity 533848 normal
> thanks
>
>
> Hi,
>
> Lior Chen ha scritto:
> > I have a software raid array (raid 0 type), with lvm partitions built
> > over the raid.
>
> Please explain. Why are you mixing software raid with fakeraid/ataraid and
> LVM?
I didn't quite understand. As far as I know, I'm only mixing two types: a
software raid (striping), and LVM. Doesn't it make sense to first set up the
physical abstraction level (raid), and then build a logical abstraction over
it? (LVM).
> Please paste the output of these commands:
>
> cat /proc/mdstat
Personalities : [raid0]
md0 : active raid0 sda2[0] sdb2[1]
488199040 blocks 64k chunks
unused devices: <none>
> dmraid -r -vvv
WARN: locking /var/lock/dmraid/.lock
NOTICE: skipping removable device /dev/sdc
NOTICE: skipping removable device /dev/sdd
NOTICE: /dev/sdb: asr discovering
NOTICE: /dev/sdb: ddf1 discovering
NOTICE: /dev/sdb: hpt37x discovering
NOTICE: /dev/sdb: hpt45x discovering
NOTICE: /dev/sdb: isw discovering
NOTICE: /dev/sdb: isw metadata discovered
NOTICE: /dev/sdb: jmicron discovering
NOTICE: /dev/sdb: lsi discovering
NOTICE: /dev/sdb: nvidia discovering
NOTICE: /dev/sdb: pdc discovering
NOTICE: /dev/sdb: sil discovering
NOTICE: /dev/sdb: via discovering
NOTICE: /dev/sda: asr discovering
NOTICE: /dev/sda: ddf1 discovering
NOTICE: /dev/sda: hpt37x discovering
NOTICE: /dev/sda: hpt45x discovering
NOTICE: /dev/sda: isw discovering
NOTICE: /dev/sda: isw metadata discovered
NOTICE: /dev/sda: jmicron discovering
NOTICE: /dev/sda: lsi discovering
NOTICE: /dev/sda: nvidia discovering
NOTICE: /dev/sda: pdc discovering
NOTICE: /dev/sda: sil discovering
NOTICE: /dev/sda: via discovering
INFO: RAID devices discovered:
/dev/sdb: isw, "isw_cjhfigcfig", GROUP, ok, 488397166 sectors, data@ 0
/dev/sda: isw, "isw_cjhfigcfig", GROUP, ok, 488397166 sectors, data@ 0
WARN: unlocking /var/lock/dmraid/.lock
> dmraid -s -vv
NOTICE: skipping removable device /dev/sdc
NOTICE: skipping removable device /dev/sdd
NOTICE: /dev/sdb: asr discovering
NOTICE: /dev/sdb: ddf1 discovering
NOTICE: /dev/sdb: hpt37x discovering
NOTICE: /dev/sdb: hpt45x discovering
NOTICE: /dev/sdb: isw discovering
NOTICE: /dev/sdb: isw metadata discovered
NOTICE: /dev/sdb: jmicron discovering
NOTICE: /dev/sdb: lsi discovering
NOTICE: /dev/sdb: nvidia discovering
NOTICE: /dev/sdb: pdc discovering
NOTICE: /dev/sdb: sil discovering
NOTICE: /dev/sdb: via discovering
NOTICE: /dev/sda: asr discovering
NOTICE: /dev/sda: ddf1 discovering
NOTICE: /dev/sda: hpt37x discovering
NOTICE: /dev/sda: hpt45x discovering
NOTICE: /dev/sda: isw discovering
NOTICE: /dev/sda: isw metadata discovered
NOTICE: /dev/sda: jmicron discovering
NOTICE: /dev/sda: lsi discovering
NOTICE: /dev/sda: nvidia discovering
NOTICE: /dev/sda: pdc discovering
NOTICE: /dev/sda: sil discovering
NOTICE: /dev/sda: via discovering
NOTICE: added /dev/sdb to RAID set "isw_cjhfigcfig"
NOTICE: added /dev/sda to RAID set "isw_cjhfigcfig"
*** Group superset isw_cjhfigcfig
--> Subset
name : isw_cjhfigcfig_LCRAID
size : 976783872
stride : 256
type : stripe
status : ok
subsets: 0
devs : 2
spares : 0
> cat /proc/partitions
major minor #blocks name
8 0 244198584 sda
8 1 96358 sda1
8 2 244099642 sda2
8 16 244198584 sdb
8 18 244099642 sdb2
9 0 488199040 md0
253 0 4194304 dm-0
253 1 484003840 dm-1
> lvdisplay
--- Logical volume ---
LV Name /dev/vg0/swap-lv
VG Name vg0
LV UUID dUFQ6h-Od30-Iklp-oRCY-wUSs-bq1Z-ZobN8s
LV Write Access read/write
LV Status available
# open 2
LV Size 4.00 GB
Current LE 1024
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0
--- Logical volume ---
LV Name /dev/vg0/linux-lv
VG Name vg0
LV UUID plhvTr-ficv-VDmy-LhJP-uWnr-fMVp-H5rvwR
LV Write Access read/write
LV Status available
# open 1
LV Size 461.58 GB
Current LE 118165
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:1
> pvdisplay
--- Physical volume ---
PV Name /dev/md0
VG Name vg0
PV Size 465.58 GB / not usable 896.00 KB
Allocatable yes (but full)
PE Size (KByte) 4096
Total PE 119189
Free PE 0
Allocated PE 119189
PV UUID W2NzvT-QriA-lite-6AjB-QetX-OjYI-VcwWPz
> dmsetup table
vg0-swap--lv: 0 8388608 linear 9:0 384
vg0-linux--lv: 0 968007680 linear 9:0 8388992
Thank you very much for the quick reply and for addressing this bug report.
Lior.
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