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тАО06-13-2007 01:54 AM
тАО06-13-2007 01:54 AM
Hello,
Short version : Do I need Secure Path for Linux (RedHat 3) ?
Long Version :
I have been using SAN on BL20G3 for some time now, at the time I installed a customize version of PSP 7.1. Nos I am trying to use Proliant Support Pack (PSP) 7.7 but I see two paths to luns.
On system with PSP 7.7
earth: root> rpm -qa | grep hp
hp_qla2x00src-7.07.05.02-6
hpijs-1.3-32.1.8
hpadu-7.70-12
hpsmh-2.1.7-168
hprsm-7.7.0-99.rhel3
hp-vt-1.1.0-11.rhel3
hppyd-1.0.3-6
hpvca-2.1.7-1
hpasm-7.7.0-115.rhel3
rhpl-0.110.4-1
hpacucli-7.70-12
hponcfg-1.6.0-1
hpdiags-7.7.0-142
hp-pel-1.0.0-9.rhel3
earth: root> pvscan -u
pvscan -- reading all physical volumes (this may take a while...)
pvscan -- ACTIVE PV "/dev/sda " with UUID "ryTOSw-mnrq-fLXj-ubFu-wzWK-sYXh-H7YiT4" of VG "vg10" [9.99 GB / 9.99 GB free]
pvscan -- inactive PV "/dev/sdb " with UUID "ryTOSw-mnrq-fLXj-ubFu-wzWK-sYXh-H7YiT4" of VG "vg10" [9.99 GB / 9.99 GB free]
pvscan -- ACTIVE PV "/dev/cciss/c0d0p2" with UUID "Y07VVI-NC0t-3uuU-hQip-rOX4-0z44-FJ1a6E" of VG "vg00" [14.80 GB / 484 MB free]
pvscan -- ACTIVE PV "/dev/cciss/c0d1p1" with UUID "MtEgwU-nPCF-0x2k-Lzt4-jOZz-2q23-PQA5s7" of VG "vg01" [13.99 GB / 2.22 GB free]
pvscan -- ACTIVE PV "/dev/cciss/c0d2p1" with UUID "Rb0Lmp-9sy6-vRi6-GqNm-lWKT-RnYe-55nkSD" of VG "vg02" [18.62 GB / 3.05 GB free]
pvscan -- ACTIVE PV "/dev/cciss/c0d2p2" with UUID "22OV5p-lqWH-vYMa-px1D-22S6-WXYC-cWm2LB" of VG "vg10" [20.12 GB / 8 MB free]
pvscan -- total: 6 [87.56 GB] / in use: 6 [87.56 GB] / in no VG: 0 [0]
that is /dev/sda and /dev/sdb are the same LUN seen twice.
On System with 'lower PSP' (*)
hpdiags-7.6.0-23
hpvca-2.1.5-8
hpijs-1.3-32.1.8
hpasm-7.6.0-111.rhel3
hp-pel-1.0.0-9.rhel3
hponcfg-1.5.0-1
hp_qla2x00src-7.07.03p4-20
hpsmh-2.1.6-156
rhpl-0.110.4-1
hpacucli-7.60-18
hpadu-7.60-18
hprsm-7.6.0-106.rhel3
and pvscan yield
pvscan -- reading all physical volumes (this may take a while...)
pvscan -- ACTIVE PV "/dev/sda " with UUID "VdPwmE-Z8YW-xkwL-Gj2Z-V0Cx-V3jH-w22aTl" of VG "vg10" [15.99 GB / 12.05 GB free]
pvscan -- ACTIVE PV "/dev/sdb " with UUID "NX53VS-KFZt-AW0j-QhMs-vKTX-FU3O-0HJXiI" of VG "vg10" [47.99 GB / 0 free]
pvscan -- ACTIVE PV "/dev/sdc1 " with UUID "ULD2d2-WAmd-4bwG-xFv7-N0NJ-DihS-SRkBEm" of VG "vg10" [15.99 GB / 0 free]
pvscan -- ACTIVE PV "/dev/cciss/c0d0p2" with UUID "2NzPOo-g1fU-o79q-sacZ-SRkS-A0Jv-0vSaOR" of VG "vg00" [14.80 GB / 484 MB free]
pvscan -- ACTIVE PV "/dev/cciss/c0d1p1" with UUID "XJjTRo-Bifg-PoWm-q8Ki-Zaae-t0w7-2e5qwI" of VG "vg01" [13.99 GB / 2.23 GB free]
pvscan -- inactive PV "/dev/cciss/c0d2p1" with UUID "xiaczV-OWOX-VY5G-eioB-oqNk-ACWS-LlNxjV" of VG "vg10" [19.72 GB / 0 free]
pvscan -- ACTIVE PV "/dev/cciss/c0d2p2" with UUID "J23UQY-I7yz-fS7T-a1iJ-pqiP-G4YY-41B6rw" of VG "vg02" [16 GB / 5.11 GB free]
pvscan -- inactive PV "/dev/cciss/c0d2p3" with UUID "Vt5vRq-bWAg-fAS2-LdV2-RnlX-cIA8-z9dhBs" is in no VG [2.42 GB]
pvscan -- inactive PV "/dev/cciss/c0d2p4" with UUID "56lxKu-8BXQ-FbyD-7aEJ-vFoJ-8D47-lvGwjK" is in no VG [617.58 MB]
pvscan -- total: 9 [147.56 GB] / in use: 7 [144.53 GB] / in no VG: 2 [3.02 GB]
no SAN's LUN are seen twice
(*) Originally a PSP 7.1, and I put PSP 7.6 on top of it.
I've logged a call of course but local folks say I must install secure path for Linux.
I've always believe this feature was builtin in linux.
What am I doing wrong ? why do I see two paths using PSP 7.7 ?
Jean-Yves Picard
Short version : Do I need Secure Path for Linux (RedHat 3) ?
Long Version :
I have been using SAN on BL20G3 for some time now, at the time I installed a customize version of PSP 7.1. Nos I am trying to use Proliant Support Pack (PSP) 7.7 but I see two paths to luns.
On system with PSP 7.7
earth: root> rpm -qa | grep hp
hp_qla2x00src-7.07.05.02-6
hpijs-1.3-32.1.8
hpadu-7.70-12
hpsmh-2.1.7-168
hprsm-7.7.0-99.rhel3
hp-vt-1.1.0-11.rhel3
hppyd-1.0.3-6
hpvca-2.1.7-1
hpasm-7.7.0-115.rhel3
rhpl-0.110.4-1
hpacucli-7.70-12
hponcfg-1.6.0-1
hpdiags-7.7.0-142
hp-pel-1.0.0-9.rhel3
earth: root> pvscan -u
pvscan -- reading all physical volumes (this may take a while...)
pvscan -- ACTIVE PV "/dev/sda " with UUID "ryTOSw-mnrq-fLXj-ubFu-wzWK-sYXh-H7YiT4" of VG "vg10" [9.99 GB / 9.99 GB free]
pvscan -- inactive PV "/dev/sdb " with UUID "ryTOSw-mnrq-fLXj-ubFu-wzWK-sYXh-H7YiT4" of VG "vg10" [9.99 GB / 9.99 GB free]
pvscan -- ACTIVE PV "/dev/cciss/c0d0p2" with UUID "Y07VVI-NC0t-3uuU-hQip-rOX4-0z44-FJ1a6E" of VG "vg00" [14.80 GB / 484 MB free]
pvscan -- ACTIVE PV "/dev/cciss/c0d1p1" with UUID "MtEgwU-nPCF-0x2k-Lzt4-jOZz-2q23-PQA5s7" of VG "vg01" [13.99 GB / 2.22 GB free]
pvscan -- ACTIVE PV "/dev/cciss/c0d2p1" with UUID "Rb0Lmp-9sy6-vRi6-GqNm-lWKT-RnYe-55nkSD" of VG "vg02" [18.62 GB / 3.05 GB free]
pvscan -- ACTIVE PV "/dev/cciss/c0d2p2" with UUID "22OV5p-lqWH-vYMa-px1D-22S6-WXYC-cWm2LB" of VG "vg10" [20.12 GB / 8 MB free]
pvscan -- total: 6 [87.56 GB] / in use: 6 [87.56 GB] / in no VG: 0 [0]
that is /dev/sda and /dev/sdb are the same LUN seen twice.
On System with 'lower PSP' (*)
hpdiags-7.6.0-23
hpvca-2.1.5-8
hpijs-1.3-32.1.8
hpasm-7.6.0-111.rhel3
hp-pel-1.0.0-9.rhel3
hponcfg-1.5.0-1
hp_qla2x00src-7.07.03p4-20
hpsmh-2.1.6-156
rhpl-0.110.4-1
hpacucli-7.60-18
hpadu-7.60-18
hprsm-7.6.0-106.rhel3
and pvscan yield
pvscan -- reading all physical volumes (this may take a while...)
pvscan -- ACTIVE PV "/dev/sda " with UUID "VdPwmE-Z8YW-xkwL-Gj2Z-V0Cx-V3jH-w22aTl" of VG "vg10" [15.99 GB / 12.05 GB free]
pvscan -- ACTIVE PV "/dev/sdb " with UUID "NX53VS-KFZt-AW0j-QhMs-vKTX-FU3O-0HJXiI" of VG "vg10" [47.99 GB / 0 free]
pvscan -- ACTIVE PV "/dev/sdc1 " with UUID "ULD2d2-WAmd-4bwG-xFv7-N0NJ-DihS-SRkBEm" of VG "vg10" [15.99 GB / 0 free]
pvscan -- ACTIVE PV "/dev/cciss/c0d0p2" with UUID "2NzPOo-g1fU-o79q-sacZ-SRkS-A0Jv-0vSaOR" of VG "vg00" [14.80 GB / 484 MB free]
pvscan -- ACTIVE PV "/dev/cciss/c0d1p1" with UUID "XJjTRo-Bifg-PoWm-q8Ki-Zaae-t0w7-2e5qwI" of VG "vg01" [13.99 GB / 2.23 GB free]
pvscan -- inactive PV "/dev/cciss/c0d2p1" with UUID "xiaczV-OWOX-VY5G-eioB-oqNk-ACWS-LlNxjV" of VG "vg10" [19.72 GB / 0 free]
pvscan -- ACTIVE PV "/dev/cciss/c0d2p2" with UUID "J23UQY-I7yz-fS7T-a1iJ-pqiP-G4YY-41B6rw" of VG "vg02" [16 GB / 5.11 GB free]
pvscan -- inactive PV "/dev/cciss/c0d2p3" with UUID "Vt5vRq-bWAg-fAS2-LdV2-RnlX-cIA8-z9dhBs" is in no VG [2.42 GB]
pvscan -- inactive PV "/dev/cciss/c0d2p4" with UUID "56lxKu-8BXQ-FbyD-7aEJ-vFoJ-8D47-lvGwjK" is in no VG [617.58 MB]
pvscan -- total: 9 [147.56 GB] / in use: 7 [144.53 GB] / in no VG: 2 [3.02 GB]
no SAN's LUN are seen twice
(*) Originally a PSP 7.1, and I put PSP 7.6 on top of it.
I've logged a call of course but local folks say I must install secure path for Linux.
I've always believe this feature was builtin in linux.
What am I doing wrong ? why do I see two paths using PSP 7.7 ?
Jean-Yves Picard
Solved! Go to Solution.
2 REPLIES 2
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тАО06-13-2007 02:38 AM
тАО06-13-2007 02:38 AM
Solution
The qlogic driver probably was installed without the multipath support enabled. You should be able to modify this configuration.
According to the qlogic documentation, it states:
These values reside in a file called /etc/hp_qla2x00.conf. HP recommends that you do not edit this file directly, but use the set_parm script. If you want to edit these values manually in the /etc/hp_qla2x00.conf file, you will have to run the edit_conf and make_initrd scripts after you do so or else your new values will not take effect.
Driver parameter settings:
QLogic Failover: -x Using multipathing and failover functionality built into the qla2x00
adapter driver.
According to the qlogic documentation, it states:
These values reside in a file called /etc/hp_qla2x00.conf. HP recommends that you do not edit this file directly, but use the set_parm script. If you want to edit these values manually in the /etc/hp_qla2x00.conf file, you will have to run the edit_conf and make_initrd scripts after you do so or else your new values will not take effect.
Driver parameter settings:
QLogic Failover: -x Using multipathing and failover functionality built into the qla2x00
adapter driver.
Por que hacerlo dificil si es posible hacerlo facil? - Why do it the hard way, when you can do it the easy way?
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тАО06-13-2007 03:02 AM
тАО06-13-2007 03:02 AM
Re: two paths to LUN when using PSP 7.7 ?
Hello,
Thanks, I see nos there is a difference between the two hosts. I'll try to rebuild initrd.
Jean-Yves Picard
Thanks, I see nos there is a difference between the two hosts. I'll try to rebuild initrd.
Jean-Yves Picard
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