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List:       evms-devel
Subject:    Re: [Evms-devel] log warnings/errors
From:       Kevin Corry <kevcorry () us ! ibm ! com>
Date:       2004-04-15 13:54:33
Message-ID: 200404150854.33784.kevcorry () us ! ibm ! com
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Hi Hans,

On Wednesday 14 April 2004 12:55 pm, Hans IJntema wrote:
> Hello
> During boot, evms log fills with warnings. I am not sure if this is serious
> or not. I tried to find some info in the mainling list, but it didn't help
> me.
>
> LFS with Kernel 2.4.25 with all patches per EVMS install document.
> EVMS 2.3.1
> System partition does not use EVMS. EVMS is started in in rcx.d
> 1 Software raid-1 with 1 spare (with BBR). Other partions are "simple". DOS
> partion manager and all have BBR.
>
> Everything *seems* to work fine.
>
> Any help is appreciated.

Most of these log entries just look like normal warnings that you'll see 
before the volumes have been activated. You don't need to be concerned about 
these unless your volumes don't get activated after boot-up.

> <everything before and during "load_module_plugins" is fine>
> Apr 10 17:03:56 ijntema-svr _5_ Engine: load_module_plugins: Loaded from
> /lib/evms/snapshot-3.1.5.so.
> Apr 10 17:03:56 ijntema-svr _5_ Engine: load_module_plugins:   short name:
> Snapshot
> Apr 10 17:03:56 ijntema-svr _5_ Engine: load_module_plugins:   long name:
> Snapshot Feature
> Apr 10 17:03:56 ijntema-svr _5_ Engine: load_module_plugins:   version:
> 3.1.5

> Apr 10 17:03:56 ijntema-svr _3_ Engine: do_fork_and_execvp: execvp()
> failed. errno is 2: No such file or directory
> Apr 10 17:03:56 ijntema-svr _2_ OGFS: ogfs_exec_utility: mkfs.ogfs
> completed with exit code 2

This is just the OpenGFS fsim looking for the OpenGFS tools and not finding 
them. Thus, you won't be able to do anything meaningful with the OpenGFS 
plugin, which most likely isn't a problem for you.

> Apr 10 17:03:56 ijntema-svr _2_ Engine: engine_open_object: Object hdd2
> does not have a non-zero major.
> Apr 10 17:03:56 ijntema-svr _2_ MDLinearRegMgr:
> md_ioctl_flush_buffer_cache: Unable to open object hdd2 to send ioctl
> Apr 10 17:03:56 ijntema-svr _2_ Engine: engine_open_object: Object hdd1
> does not have a non-zero major.

Just normal warning messages that occur before the volumes are all activated.

> <Removed similar errors on other partitions>
>
> Apr 10 17:03:57 ijntema-svr _2_ MDRaid1RegMgr: md_ioctl_flush_buffer_cache:
> Unable to open object hdd2 to send ioctl
> Apr 10 17:03:57 ijntema-svr _2_ Engine: engine_open_object: Object hdd1
> does not have a non-zero major.
> Apr 10 17:03:57 ijntema-svr _2_ MDRaid1RegMgr: md_ioctl_flush_buffer_cache:
> Unable to open object hda6_bbr to send ioctl
> Apr 10 17:03:57 ijntema-svr _3_ Engine: engine_ioctl_object: ioctl to
> object md/md0 failed with error code 19: No such device
> Apr 10 17:03:57 ijntema-svr _2_ MDRaid1RegMgr: md_ioctl_get_array_info:
> md_ioctl_get_array_info: IOCTL failed, region(md/md0) rc(19)
> Apr 10 17:03:57 ijntema-svr _3_ Engine: engine_ioctl_object: ioctl to
> object md/md0 failed with error code 19: No such device
> Apr 10 17:03:57 ijntema-svr _2_ MDRaid1RegMgr: md_ioctl_get_array_info:
> md_ioctl_get_array_info: IOCTL failed, region(md/md0) rc(19)
> Apr 10 17:03:57 ijntema-svr _2_ Engine: engine_open_object: Object hdd2
> does not have a non-zero major.
> Apr 10 17:03:57 ijntema-svr _2_ MDRaid0RegMgr: md_ioctl_flush_buffer_cache:
> Unable to open object hdd2 to send ioctl
> Apr 10 17:03:57 ijntema-svr _2_ Engine: engine_open_object: Object hdd1
> does not have a non-zero major.

More normal warnings. Nothing's active at this point, so the engine gets 
errors back from the kernel when it tried to get status about the various 
devices.

> <Removed similar errors on other partitions>
>
> Apr 10 17:03:57 ijntema-svr _2_ MDRaid5RegMgr: md_ioctl_flush_buffer_cache:
> Unable to open object hdd2 to send ioctl
> Apr 10 17:03:57 ijntema-svr _2_ Engine: engine_open_object: Object hdd1
> does not have a non-zero major.
> Apr 10 17:03:57 ijntema-svr _2_ MDRaid5RegMgr: md_ioctl_flush_buffer_cache:
> Unable to open object hdd1 to send ioctl
> Apr 10 17:03:57 ijntema-svr _2_ Engine: engine_open_object: Object hda3
> does not have a non-zero major.

Same thing.

> <Removed similar errors on other partitions>
> .
> Apr 10 17:03:57 ijntema-svr _2_ MD Multipath: md_ioctl_flush_buffer_cache:
> Unable to open object hdd2 to send ioctl
> Apr 10 17:03:57 ijntema-svr _2_ Engine: engine_open_object: Object hdd1
> does not have a non-zero major.
> Apr 10 17:03:57 ijntema-svr _2_ MD Multipath: md_ioctl_flush_buffer_cache:
> Unable to open object hdd1 to send ioctl
> Apr 10 17:03:57 ijntema-svr _2_ Engine: engine_open_object: Object hda3
> does not have a non-zero major.
> <Removed similar errors on other partitions>
>
> Apr 10 17:03:57 ijntema-svr _2_ Engine: engine_open_object: Object hda6_bbr
> does not have a non-zero major.
> Apr 10 17:03:57 ijntema-svr _2_ MD Multipath: md_ioctl_flush_buffer_cache:
> Unable to open object hda6_bbr to send ioctl
> Apr 10 17:03:57 ijntema-svr _2_ Engine: ensure_dev_node: Major:minor 0:0 is
> not valid.
> Apr 10 17:03:57 ijntema-svr _2_ Engine: ensure_dev_node: Major:minor 0:0 is
> not valid.
> <removed several duplicate error messages>
> Apr 10 17:03:57 ijntema-svr _2_ Engine: ensure_dev_node: Major:minor 0:0 is
> not valid.
> Apr 10 17:03:57 ijntema-svr _5_ Engine: initial_discovery: Discovery time:
> 00:00:00.633773
> Apr 10 17:03:57 ijntema-svr _3_ Engine: engine_ioctl_object: ioctl to
> object md/md0 failed with error code 19: No such device
> Apr 10 17:03:57 ijntema-svr _2_ MDRaid1RegMgr: md_ioctl_get_array_info:
> md_ioctl_get_array_info: IOCTL failed, region(md/md0) rc(19)

Ditto.

If you run evms manually after boot-up, I'll bet most of these warning entries 
in the log will go away.

-- 
Kevin Corry
kevcorry@us.ibm.com
http://evms.sourceforge.net/


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