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Re: [Linux-cluster] Distributed RAID



:( You will need the latest RHEL5 kernel in order to compile against. Your 2.6.27.5-177 kernel does not have the log API changes necessary to facilitate the log module.

 brassow

On Nov 26, 2008, at 6:34 AM, Василец Дмитрий wrote:

I use last source from git stable RHEL5
but, when i try compile cmirror kernel mudule i get syntax error


[root node1 cmirror-kernel]# make
cd src && make all
make[1]: Entering directory `/home/test2/cluster/cmirror-kernel/src'
make -C /lib/modules/2.6.27.5-117.storage.x86_64/source
M=/home/test2/cluster/cmirror-kernel/src   modules USING_KBUILD=yes
make[2]: Entering directory
`/usr/src/kernels/2.6.27.5-117.storage.x86_64'
 CC [M]  /home/test2/cluster/cmirror-kernel/src/dm-clog.o
/home/test2/cluster/cmirror-kernel/src/dm-clog.c: In function
‘cluster_ctr’:
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:148: warning: format ‘% llu’ expects type ‘long long unsigned int’, but argument 3 has type
‘sector_t’
/home/test2/cluster/cmirror-kernel/src/dm-clog.c: In function
‘cluster_flush’:
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:417: warning:
comparison of distinct pointer types lacks a cast
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:419: warning:
comparison of distinct pointer types lacks a cast
/home/test2/cluster/cmirror-kernel/src/dm-clog.c: In function
‘cluster_mark_region’:
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:478: warning:
comparison of distinct pointer types lacks a cast
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:482: warning:
comparison of distinct pointer types lacks a cast
/home/test2/cluster/cmirror-kernel/src/dm-clog.c: In function
‘cluster_clear_region’:
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:517: warning:
comparison of distinct pointer types lacks a cast
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:521: warning:
comparison of distinct pointer types lacks a cast
/home/test2/cluster/cmirror-kernel/src/dm-clog.c: At top level:
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:709: error: unknown
field ‘get_failure_response’ specified in initializer
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:709: warning: excess
elements in struct initializer
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:709: warning: (near
initialization for ‘_clustered_core_type’)
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:710: error: unknown
field ‘is_remote_recovering’ specified in initializer
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:710: warning: excess
elements in struct initializer
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:710: warning: (near
initialization for ‘_clustered_core_type’)
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:731: error: unknown
field ‘get_failure_response’ specified in initializer
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:731: warning: excess
elements in struct initializer
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:731: warning: (near
initialization for ‘_clustered_disk_type’)
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:732: error: unknown
field ‘is_remote_recovering’ specified in initializer
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:732: warning: excess
elements in struct initializer
/home/test2/cluster/cmirror-kernel/src/dm-clog.c:732: warning: (near
initialization for ‘_clustered_disk_type’)
make[3]: *** [/home/test2/cluster/cmirror-kernel/src/dm-clog.o] Error 1
make[2]: *** [_module_/home/test2/cluster/cmirror-kernel/src] Error 2
make[2]: Leaving directory
`/usr/src/kernels/2.6.27.5-117.storage.x86_64'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/home/test2/cluster/cmirror-kernel/src'
make: *** [all] Error 2

Thank you

В Втр, 25/11/2008 в 14:23 -0600, Jonathan Brassow пишет:
You do not have the module installed (or in the right place?).

You need the cmirror and cmirror-kmod packages.  If you don't have
access to them, and would like to compile them for yourself, then you
will need to check-out the cluster tree on the RHEL5 or RHEL53 branch.

 brassow

On Nov 24, 2008, at 2:46 AM, Василец Дмитрий wrote:

Hello
This is /var/log/messages
"Nov 20 07:57:14 recipient1 kernel: device-mapper: dirty region log:
Module for logging type "clustered-core" not found.
Nov 20 07:57:14 recipient1 kernel: device-mapper: table: 253:2:
mirror:
Error creating mirror dirty log
Nov 20 07:57:14 recipient1 kernel: device-mapper: ioctl: error adding
target to table
Nov 20 08:43:37 recipient1 kernel: device-mapper: dirty region log:
Module for logging type "clustered-core" not found.
Nov 20 08:43:37 recipient1 kernel: device-mapper: table: 253:2:
mirror:
Error creating mirror dirty log
Nov 20 08:43:37 recipient1 kernel: device-mapper: ioctl: error adding
target to table
Nov 20 08:47:05 recipient1 kernel: device-mapper: dirty region log:
Module for logging type "clustered-core" not found.
Nov 20 08:47:05 recipient1 kernel: device-mapper: table: 253:2:
mirror:
Error creating mirror dirty log
Nov 20 08:47:05 recipient1 kernel: device-mapper: ioctl: error adding
target to table
"

В Птн, 21/11/2008 в 11:51 -0600, Jonathan Brassow пишет:
What does /var/log/messages say?

brassow

On Nov 20, 2008, at 3:33 AM, Василец Дмитрий wrote:

hello
i use lvm2  2.02.39
when i write  "lvcreate  -L 60G -m1 --corelog  -n mirror1 volg1"
i get error
"Error locking on node recipient1: device-mapper: reload ioctl
failed:
Invalid argument
Error locking on node recipient2: device-mapper: reload ioctl
failed:Invalid argument
Aborting. Failed to activate new LV to wipe the start of it."

i must update lvm2 or other ?

В Втр, 11/11/2008 в 20:01 -0600, Jonathan Brassow пишет:
Sure.  In fact, if you have access to the red hat 5.3 beta, it is
ready there.


brassow

On Nov 7, 2008, at 6:59 AM, pronix pronix wrote:

can i use cluster raid1 if i get development release from
sources.redhat.com/cluster ?


2008/11/7 Marc - A. Dahlhaus [ Administration | Westermann GmbH ]
<mad wol de>
     Hello,


     will the changes to mirroring get merged into stable2 and
     head after
     RHEL-5.3 release?


     Marc

     Am Donnerstag, den 06.11.2008, 16:34 -0600 schrieb Jonathan
     Brassow:

that works already.

single machine: linear, stripe, mirror, snapshot
cluster-aware: linear, stripe, mirror (5.3)

brassow

On Nov 6, 2008, at 2:40 PM, Gordan Bobic wrote:

What about CLVM based striping (RAID0)? Does that work
     already or is
it planned for the near future?

Gordan

Jonathan Brassow wrote:
Cluster mirror (RAID1) will be available in rhel5.3 for
     LVM.
brassow
On Nov 6, 2008, at 9:40 AM, Federico Simoncelli wrote:
On Thu, Nov 6, 2008 at 10:38 AM, Gordan Bobic
     <gordan bobich net>
wrote:
I rather doubt md will become cluster aware any time
     soon. CLVM
doesn't yet
support even more important features like
     snapshotting, so I
wouldn't count
on it supporting anything more advanced.

I worked a little on clvm snapshots:

     https://www.redhat.com/archives/linux-lvm/2008-October/msg00027.html

Review and testing is required.
--
Federico.

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