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Old 01-12-2013, 03:04 AM   #1
aldi_nih
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Registered: May 2010
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error message on pvscan command


Hi All,

i'm using Red Hat Enterprise Linux Server release 6.0 (Santiago) with kernel 2.6.32-71.el6.x86_64.
I have added IBM Storage DS3512 with the size 16 TB and i have set multipath service. Also i have set RAID 5 on the storage. however when i check with pvscan, the message errors come up like this :

[root@localhost ~]# pvscan
/dev/sdu: read failed after 0 of 4096 at 0: Input/output error
/dev/sdu: read failed after 0 of 4096 at 17998757691392: Input/output error
/dev/sdu: read failed after 0 of 4096 at 17998757748736: Input/output error
/dev/sdu: read failed after 0 of 4096 at 4096: Input/output error
/dev/sdn: read failed after 0 of 4096 at 0: Input/output error
/dev/sdn: read failed after 0 of 4096 at 17998757691392: Input/output error
/dev/sdn: read failed after 0 of 4096 at 17998757748736: Input/output error
/dev/sdn: read failed after 0 of 4096 at 4096: Input/output error
PV /dev/sdw4 VG VolGroup lvm2 [277.58 GiB / 66.43 GiB free]
PV /dev/mapper/mpathe VG vg_oradata lvm2 [3.08 TiB / 1.12 TiB free]
PV /dev/mapper/mpathf VG vg_backupdb lvm2 [3.42 TiB / 1.46 TiB free]
PV /dev/mapper/mpathd VG vg_redolog lvm2 [622.51 GiB / 22.51 GiB free]
PV /dev/mapper/mpathc VG vg_redolog lvm2 [620.00 GiB / 20.00 GiB free]
PV /dev/mapper/mpathg VG vg_redolog lvm2 [620.00 GiB / 20.00 GiB free]
PV /dev/mapper/mpathb VG vg_archive lvm2 [837.37 GiB / 37.37 GiB free]
Total: 7 [9.40 TiB] / in use: 7 [9.40 TiB] / in no VG: 0 [0 ]

here the multipath -ll and see mpathh

[root@localhost ~]# multipath -ll
mpathe (3600a0b80006e4a840000d30250c88242) dm-6 IBM,1818 FAStT
size=3.1T features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| `- 0:0:1:0 sdg 8:96 active ready running
`-+- policy='round-robin 0' prio=1 status=enabled
|- 0:0:0:0 sda 8:0 active ghost running
`- 1:0:0:0 sdo 8:224 active ghost running
mpathd (3600a0b80006e4fd00000d45250c8814c) dm-7 IBM,1818 FAStT
size=623G features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| |- 0:0:0:4 sde 8:64 active ready running
| `- 1:0:0:4 sds 65:32 active ready running
`-+- policy='round-robin 0' prio=1 status=enabled
`- 0:0:1:4 sdk 8:160 active ghost running
mpathc (3600a0b80006e4a840000d30650c882ed) dm-3 IBM,1818 FAStT
size=620G features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| `- 0:0:1:2 sdi 8:128 active ready running
`-+- policy='round-robin 0' prio=1 status=enabled
|- 0:0:0:2 sdc 8:32 active ghost running
`- 1:0:0:2 sdq 65:0 active ghost running
mpathb (3600a0b80006e4fd00000d44550c880ac) dm-2 IBM,1818 FAStT
size=837G features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| |- 0:0:0:1 sdb 8:16 active ready running
| `- 1:0:0:1 sdp 8:240 active ready running
`-+- policy='round-robin 0' prio=1 status=enabled
`- 0:0:1:1 sdh 8:112 active ghost running
mpathh (360080e50002f78a00000022550ef8e0d) dm-8 IBM,1746 FAStT
size=16T features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| |- 0:0:2:0 sdm 8:192 active ready running
| `- 1:0:2:0 sdv 65:80 active ready running
`-+- policy='round-robin 0' prio=1 status=enabled
|- 1:0:1:0 sdu 65:64 active ghost running
`- 0:0:3:0 sdn 8:208 active ghost running

mpathg (3600a0b80006e4a840000d30950c88306) dm-5 IBM,1818 FAStT
size=620G features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| `- 0:0:1:3 sdj 8:144 active ready running
`-+- policy='round-robin 0' prio=1 status=enabled
|- 0:0:0:3 sdd 8:48 active ghost running
`- 1:0:0:3 sdr 65:16 active ghost running
mpathf (3600a0b80006e4fd00000d44850c880d2) dm-4 IBM,1818 FAStT
size=3.4T features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| |- 0:0:0:5 sdf 8:80 active ready running
| `- 1:0:0:5 sdt 65:48 active ready running
`-+- policy='round-robin 0' prio=1 status=enabled
`- 0:0:1:5 sdl 8:176 active ghost running
[root@localhost ~]#

My new storage external is mpathh (16T) , Any idea about this message error ?

Thanks in advance

Regards,
Aldi

Last edited by aldi_nih; 01-12-2013 at 03:57 AM.
 
  


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