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тАО05-14-2010 01:46 AM
тАО05-14-2010 01:46 AM
Problem iSCSI mountpoint on remote storage system - HPUX 11iv2
Is there a workaround ? (Patchs ?)
NB: I've only found for HPUX 11.11
Thanks.
Copy result rc.log file:
------------------
Mount file systems
Output from "/sbin/rc1.d/S100localmount start":
----------------------------
mountall: cannot mount /dev/vg_app/lvol1
mountall: diagnostics from mount
vxfs mount: Cannot open /dev/vg_app/lvol1: Network is unreachable
The device is inaccessible as the network has not yet been initialized
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тАО05-14-2010 03:04 AM
тАО05-14-2010 03:04 AM
Re: Problem iSCSI mountpoint on remote storage system - HPUX 11iv2
Verify vg_app
- vgdisplay vg_app
Verify /etc/fstab entrys for vg_app file
- grep vg_app /etc/fstab
rgs,
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тАО05-14-2010 04:16 AM
тАО05-14-2010 04:16 AM
Re: Problem iSCSI mountpoint on remote storage system - HPUX 11iv2
My Configuration is :
myserveur[root]# vgdisplay vg_app
--- Volume groups ---
VG Name /dev/vg_app
VG Write Access read/write
VG Status available
Max LV 255
Cur LV 1
Open LV 1
Max PV 16
Cur PV 1
Act PV 1
Max PE per PV 12799
VGDA 2
PE Size (Mbytes) 4
Total PE 12797
Alloc PE 12797
Free PE 0
Total PVG 0
Total Spare PVs 0
Total Spare PVs in use 0
myserveur[root]# grep /dev/vg_app /etc/fstab
/dev/vg_app/lvol1 /vg_app vxfs delaylog,largefiles 0 2
Thanks for your help.
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тАО05-14-2010 04:31 AM
тАО05-14-2010 04:31 AM
Re: Problem iSCSI mountpoint on remote storage system - HPUX 11iv2
# vgdisplay -v vg_app
# lvdisplay /dev/vg_app/lvol1
# ll /dev/vg_app
# strings /etc/lvmtab
rgs,
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тАО05-14-2010 04:32 AM
тАО05-14-2010 04:32 AM
Re: Problem iSCSI mountpoint on remote storage system - HPUX 11iv2
It seems to me that this is expected behavior. When S100localmount runs, the network has not been initialized yet so the iSCSI volumes are not available yet, hence the error.
You probably get more errors at the console when bcheckrc runs and activates all volume groups using /sbin/lvmrc and /etc/lvmrc
I think the workaround would be to customize the volume group activation in /sbin/lvmrc, /etc/lvmrc and leave out the iSCSI based entries from /etc/fstab. Then a script should be setup to run later after the network is initialized and any iSCSI drivers are loaded. This script would activate the volume groups and mount the volumes for all iSCSI based devices.
Are you sure the iSCSI package does not provide any of this mechanism?
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тАО05-14-2010 04:42 AM
тАО05-14-2010 04:42 AM
Re: Problem iSCSI mountpoint on remote storage system - HPUX 11iv2
Read HP-UX iSCSI Software Initiator
Release Notes
http://docs.hp.com/en/5990-8516/5990-8516.pdf
rgs,
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тАО05-14-2010 04:49 AM
тАО05-14-2010 04:49 AM
Re: Problem iSCSI mountpoint on remote storage system - HPUX 11iv2
http://docs.hp.com/en/T1452-90011/T1452-90011.pdf
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тАО05-14-2010 05:27 AM
тАО05-14-2010 05:27 AM
Re: Problem iSCSI mountpoint on remote storage system - HPUX 11iv2
i've created a file script for to mount this mountpoint which to execute my command mount after initialisation iscsi and network config.
You talk about iscsi mechanism inside the package for which I do not know.
and
in the documentation page 72 il est ├Г┬йcrit "The iSCSI Software Intitiator startup script has been modified to perform iSCSI target access operations a
second time after networking has been initialized." you know where is this second operation it does not work on my server..
Thanks TTr and rariasn
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тАО05-17-2010 12:29 AM
тАО05-17-2010 12:29 AM
Re: Problem iSCSI mountpoint on remote storage system - HPUX 11iv2
Verify the latest LVM cummulative patch
Patch Name: PHCO_35955
Patch Description: s700_800 11.11 LVM commands cumulative patch
SR:8606217852 CR:JAGad87002 )
Without the changes delivered by this patch, unrecognized errors will be returned by iSCSI PVs which will cause these
PVs not to be attached to the Volume Group. Mounting filesystems residing on logical volumes comprising of iSCSI PVs will then result in error messages as the iSCSI PVs will not be accessible at the time filesystems are mounted during the boot-up sequence. This product update contains minor enhancements required to enable iSCSI support in LVM.
rgs,
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тАО05-24-2010 11:18 PM
тАО05-24-2010 11:18 PM
Re: Problem iSCSI mountpoint on remote storage system - HPUX 11iv2
Sorry for the delay.
The Patch Name: PHCO_35955 is for hpux 11.11
and my server is hpux 11.23.
Thanks