Re: SkippedSync error - cannot get node2 to drbd sync
danh <[email protected]>
| Newsgroups | gmane.linux.cluster.ssic.user |
|---|---|
| Message-ID | <[email protected]> |
Hi All,
Did you get this working?
I followed these instructions
http://www.nabble.com/SkippedSync-error---cannot-get-node2-to-drbd-sync-t3044546.html
The instructions work perfectly until I run a test by killing the primary
node the slave starts to take over then halts on
drbd0: Doing CLMS nodedown callback for service 9
Any help would be much appreciated?
Mach wrote:
>
> Dear OpenSSI team,
>
> This is our 1st post to this list and want to take the opportunity to say
> thank you for bringing together a solution which is very impressive indeed
> :-)
>
> We hope to have a 2-node, Fedora3 OpenSSI 1.9dev with drbd root failover
> HA
> cluster running shortly in production, supporting services for 1000 users.
>
> We have followed the instructions to the best of our ability, per:
> http://openssi.org/cgi-bin/view?page=docs2/1.9/fedora/INSTALL.html
> http://wiki.openssi.org/go/FC2_DRBD_Root_Failover_HOWTO
>
> The only issue we are having is that our second node, configured for root
> failover with a drbd root partition, will not sync, ie:
>
> The following is only with our 1st node powered up...
>
> [root@cluster1 ~]# cat /proc/drbd
> version: 0.7.20 (api:79/proto:74)
> SVN Revision: 2260 build by root@cluster1, 2007-01-18 08:12:12
> 0: cs:WFConnection st:Primary/Unknown ld:Consistent
> ns:0 nr:0 dw:127536 dr:231025 al:7 bm:173 lo:0 pe:0 ua:0 ap:0
>
> And the following is with the 2nd node powered up...
>
> [root@cluster1 ~]# cat /proc/drbd
> version: 0.7.20 (api:79/proto:74)
> SVN Revision: 2260 build by root@cluster1, 2007-01-18 08:12:12
> 0: cs:SkippedSyncS st:Primary/Secondary ld:Consistent
> ns:360 nr:0 dw:19148 dr:56901 al:0 bm:182 lo:0 pe:0 ua:0 ap:0
>
> Note the "SkippedSyncS" status.
>
> The only reference we can find to this status state, is at the drbd
> website:
> http://www.linux-ha.org/DRBD/FAQ#head-988086376cbd00bdcc9c9d199317af5f7550c5c1
> SkippedSync{S,T} you should never see this. "Developers only"
>
> Help or pointers on how to get past this issue will be very much
> appreciated
> :-)
>
> The instructions / howto we have pieced together is below...hopefully we
> have made a simple mistake somewhere in there.....
>
> ===============================================================================
> OPENSSI - Installing and getting a cluster of 2 PC's working in HA
> failover...
>
> Supported OS - Fedora Core 3 with OpenSSI 1.9
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Also, FC3 support for SATA is poor - so use PATA disks!
>
> READ THIS page to get a feel for functionality and how it all works...
> http://openssi.org/cgi-bin/view?page=docs2/1.9/Introduction-to-SSI
> ===============================================================================
>
>
> ===============================================================================
> Prepping the 1st PC with our base OS installation
> -------------------------------------------------------------------------------
> 160G PATA disk in each PC
> ASUS onboard 10/100 NIC (eth1 for external connectivity)
> Netgear 1Gb NIC (eht0 for frossover cable interconnect)
>
> Make sure both PC's are configured to PXE boot (eth0) in BIOS as the 1st
> device
> in the Boot sequence. They will be connected via Ethernet NIC's that see
> eachother on the same private subnet (eg, 10.10.10.x/24) via a cross-over
> cable.
>
> Build up PC ONE (our primary cluster 1 node) standard PC with FC3
> install...
>
> Note WORKAROUND ISSUE - ASUS M/B has unsupported NIC in basic FC3 (Realtek
> RTL8201CL Via 10/100) and to access it, will need kernal arguement
> acpi=off
> Therefore, to avoid no m/b eth, MUST at the KERNEL line at install, kick
> off
> the install with:
> boot: linux acpi=off
>
> * 'Custom Install' profile package install
> * Create partitions in the following order:
> /boot 100Mb ext3
> / 151000Mb ext3
> <swap> 1024Mb
> /drbd-index MaxAvail(494Mb) ext3 <space for DRBD meta-device>
> * When finished, it will look like this:
> /dev/hda1 /boot ext3 102
> /dev/hda2 / ext3 151002
> /dev/hda3 Swap 1028
> /dev/hda4 Extended 494
> /dev/hda5 /drbd-index ext3 494
> * grub boot loader onto the MBR of /dev/hda
> * Fixed IP addresses as follows
> eth0-CLUSTER INTERCONNECT (1GB NIC card)
> IP 10.10.10.1
> Netmask 255.255.255.0
> eth1-EXTERNAL NIC (100Mb onboard NIC) <settings below to suit LAN>
> IP 192.168.0.11
> Netmask 255.255.255.0
> Hostname & Misc <gw & dns settings below to suit LAN>
> Host cluster1
> Gateway 192.168.0.1
> DNS 192.168.0.181
> NB TIP: if you get eth0 and eth1 the wrong way around, after install, go
> into
> gui network tool, and swap ip address information
> * no firewall
> * SELinux off
> * Packages:
> deselect Office/Productivity
> deselect Sound & Video
> select Server Configuration Tools
> select Web Server
> select Mail Server
> select Development Tools
> deselect Printing Support
>
> Once the system is all rebooted and completed the install process (ok to
> enable
> network time protocol), you are ready to continue....
> ===============================================================================
>
>
> ===============================================================================
> PRIMARY NODE configuration
> -------------------------------------------------------------------------------
> Root filesystem failover is one of the features of OpenSSI. You either
> need
> to
> use DRBD or shared disk hardware for this to work. If you choose to use
> DRBD,
> you should also refer to README.drbd. If you use shared disk hardware,
> then
> the root filesystem must be installed on the shared disk.
> WE WILL BE USING DRDB, as we do NOT have SHARED STORAGE.
>
> Firstly, we will not be running X on the host cluster, so disable it
> starting
> at boot time:
> # vi /etc/inittab
> And set '3' in the following line...
> id:3:initdefault:
>
> Copy the "openssi-fc3-1.9.2.i686.tar.gz" file to cluster1 and put it in
> the
> following, created directory:
> # mkdir /usr/src/openssi
>
> Then extract it:
> # cd /usr/src/openssi/
> # tar xzf openssi-fc3-1.9.2.i686.tar.gz
>
> Next, run the install script:
> # cd openssi-fc3-1.9.2.i686/
> # ./install
>
> After it installs your packages, it will ask you a few questions about how
> you
> want to configure your cluster and your first node:
> Node Number: 1
> Network card: eth0 (note TIP above, and make sure this is the interconnect
> NIC)
> Network Boot Protocol: PXE
> (did Etherboot due to 2nd nic, but we will not boot from it as a primary)
> Clustername (should resolve to CVIP address): cluster1 <should be in
> /etc/hosts>
> Root system failover: YES <we will be using DRBD>
>
> You will get a screen that says: "The following configuration has been
> entered":
> Node number: 1
> NIC for interconnect: eth0
> IP address: 10.10.10.1
> Network hardware addr: 00:18:4D:6F:4E:E4
> Network boot protocol: Etherboot
> Local boot device: /dev/hda1
> Clustername: cluster1
> Root failover: Yes
> Potential initnode: Yes
> NFS support: yes
> Enter "W" to (W)rite new configuration
>
> It will now run a short compile/configure script, that should end in
> output
> similar to the following...
>
> Installing OpenSSI kernel:
> Preparing... ###########################################
> [100%]
> 1:kernel-ssi-smp ###########################################
> [100%]
> unable to stat UUID=1e9e9886-3bc5-4bbe-b6b1-2e696e4c74e0: 2
> unable to stat UUID=1e9e9886-3bc5-4bbe-b6b1-2e696e4c74e0: 2
> ...snip...
>
> Wait a while until it is finished, before you can reboot to use the
> features
> of
> OpenSSI in your nice new kernel.
>
> Would you like to reboot now (y/n) [n]:
> Looking good - so enter 'y' to reboot! UNLESS you need the ACPI
> workaround....
>
> PASSING CUSTOM ARGUEMENTS TO THE KERNEL
> ---------------------------------------
> If kernel will not detect NIC, need to pass acpi=off to the nodes as they
> join.
>
> Nodes that PXE boot get their kernel arguments from the following file
> that
> is
> read everytime a node PXE boots: /tftpboot/pxelinux.cfg/default
>
> Nodes that Etherboot get their kernel arguments from the
> /tftpboot/combined
> image, which contains the kernel, kernel arguments and initrd for an
> etherbooting node.
>
> To modify the kernel arguments, edit the --append option to the
> mkelf-linux
> command at the bottom of the /sbin/ssi-ksync-network script (running the
> 'openssi-config-node' script to add/remove nodes re-creates the boot
> images
> in the /tftpboot/ directory (with our new kernel arguements).
>
> We will do both....
>
> In another terminal window is a handy way to do this...
> # vi /tftpboot/pxelinux.cfg/default
>
> Change the line:
> append initrd=initrd ro
> To:
> append initrd=initrd ro acpi=off
>
> # vi /sbin/ssi-ksync-network
>
> Change (2nd last line in the file):
> $kernel $initrd >/tftpboot/combined
> To:
> --append='acpi=off' $kernel $initrd >/tftpboot/combined
>
> And then reboot. The PXE/Etherboot changes will come into effect later,
> when
> we need them to :-)
>
> All going well you are now in your nice new kernel. What we will do, is
> DELETE
> the original, non-SSI kernels from the system as we will not be using
> them...
> ...and if we tried to boot from them, they would just CLOBBER our
> partitions
> and not know how to read from our DRBD devices anyway. Also, this
> supresses
> errors generated when adding/deleting nodes.
> # rpm -e kernel kernel-smp
>
> REBOOT
> (when I didn't do this, I could not get the new node 2 to join until I
> did)
> ===============================================================================
>
>
> ===============================================================================
> SECONDARY FAILOVER NODE #2
> -------------------------------------------------------------------------------
> Ideally, this node is added to the OpenSSI cluster using network booting
> (PXE).
> However, Etherboot works just fine. The DHCP server will be automatically
> configured and started to allow the new node(s) to join the cluster.
>
> -------------------------
> <No PXE - Need Etherboot>
> However, if the NIC that will serve as the interconnect is not PXE, you
> will
> need to Etherboot it (only once, as our #2 failover node will normally
> boot from its hard disk.
>
> Find out what NIC you have, with:
> # lspci -v
>
> ONBOARD
> 00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev
> 7c)
> Subsystem: ASUSTeK Computer Inc.: Unknown device 80a7
> Flags: bus master, medium devsel, latency 64, IRQ 185
> I/O ports at d400 [size=256]
> Memory at febff400 (32-bit, non-prefetchable) [size=256]
> Capabilities: [40] Power Management version 2
>
> 1GB NIC
> 05:09.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169
> Gigabit Ethernet (rev 10)
> Subsystem: Netgear: Unknown device 311a
> Flags: bus master, 66Mhz, medium devsel, latency 64, IRQ 153
> I/O ports at c800 [size=256]
> Memory at feaffc00 (32-bit, non-prefetchable) [size=256]
> Expansion ROM at feac0000 [disabled] [size=128K]
> Capabilities: [dc] Power Management version 2
>
> The 1st one is the external NIC - eth1
> The 2nd one is the interconnect NIC - eth0
>
> We want the interconnect one (RTL-8169), so with this information proceed
> to
> the Etherboot website...
>
> Go to the www.rom-o-matic.net website, to the latest production release
> page, ie:
> http://www.rom-o-matic.net/5.4.2/
>
> In the Choose NIC/ROM type, we need to select "r8169:r8169" for our 1GB
> NIC,
> output format as (.iso), then click on Customise, and set as follows:
> Ask boot: [ ] (empty, so it immediately Etherboots)
> Boot First: BOOT_NIC
> Boot Second: BOOT_NOTHING
> Boot Third: BOOT_NOTHING
> [tick] BAR_PROGRESS
> (don't display a page ful of dots while downloading img, rotate a |
> symbol)
> Then click on [Get ROM]
>
> Burn it to CD-ROM, and place into the CD tray of cluster2 (ie, Failover
> Node #2). (Note - we will not be leaving it there, once we have cluster2's
> mirrored HD built, cluster2 will boot off its HD directly).
>
> </No PXE - Need Etherboot>
> --------------------------
>
> Power up the computer and get it to start its network boot. Wait until it
> gets
> to the point where it is querying the DHCP server for boot/ip info, then
> shut it down again. Out cluster1 will not have cached its request and MAC
> address.
>
> On the first node (or any node already in the cluster), run:
> # openssi-config-node
>
> and select "Add a new node". It will ask you a few questions about how you
> want
> to configure your new node:
> Verbose: y
> Node Number: 2
> (This is where you can select from the list, as the cluster2 interconnect
> NIC will show what was cached)
> Network card: eth0
> Scan for IP: n
> Static IP: 10.10.10.2
> Network Boot Protocol: PXE
> (did Etherboot due to 2nd nic, but we will not boot from it as a primary)
> Nodename: cluster2 <should be in /etc/hosts>
> Root system failover: YES <we will be using DRBD>
> Save the configuration.
>
> Now go to the 2nd node, power it on, and then its network boot will go
> straight into the cluster via network boot.....
>
> The program will now do all the work to admit the node into the cluster.
> Wait
> for the new node to join.
>
> A "nodeup" message on the first node's console will indicate this. You can
> confirm its membership with the cluster command:
> # cluster -V
>
> The following steps tell you how to configure the new node's hardware,
> including
> its swap space, local boot device, and external NICs.
>
> --------------------
> OPTION 1 (preferred)
>
> Copy the partition scheme from the cluster1 to cluster2 (assumes same HD)
> which will save a lot of fdisk mucking around :-)
> # sfdisk -d /dev/hda | onnode 2 sfdisk /dev/hda
> --------------------
> OPTION 2 (only if issues with #1 above - but it should have worked!)
>
> Follow the steps below to manually create partitions...
>
> Configure the new node with one or more swap devices using fdisk (or a
> similar tool) and mkswap:
> # onnode 2 fdisk /dev/hda
>
> Partition disk, as follows (make sure delete existing paritions 1st with
> the
> 'd'
> command) then createas follows:
>
> BOOT
> n - new
> p - primary
> 1 - partition number
> default - first cylinder
> +100M - size of partition <size same as hd on cluster1>
> a - toggle bootable flag
> 1 - partition number
>
> ROOT
> n - new
> p - primary
> 2 - partition number
> default - first cylinder
> +151000M - size of partition <size same as hd on cluster1>
>
> SWAP
> n - new
> p - primary
> 3 - partition number
> default - first cylinder
> +1028M - size of partition <size same as hd on cluster1>
> t - change system type
> 3 - partition number
> 82 - linux swap
>
> EXTENDED
> n - new
> e - extended
> default - first cylinder
> default - size of partition = all remaining space
>
> DRBD-INDEX
> n - new
> default - first cylinder
> +149M - size of partition <size same as hd on cluster1>
>
> SAVE & EXIT
> w - write and save new partition table
> -------------------
>
> Format the swap partition:
> # onnode 2 mkswap /dev/hda3
> Setting up swapspace version 1, size = 1077506 kB
>
> Add the device name(s) to the file /etc/fstab, as documented in
> README.fstab
> # vi /etc/fstab
>
> Change:
> LABEL=SWAP-hda3 swap swap defaults,node=1 0 0
> To:
> #LABEL=SWAP-hda3 swap swap defaults,node=1 0 0
> LABEL=SWAP-hda3 swap swap defaults,node=* 0 0
>
> Activate the swap device(s) with the swapon command:
> # onnode 2 swapon /dev/hda3
>
> Swap space is not particularly SSI, with each node providing its own
> swap space. To determine which nodes are using which swap, you can execute
> the following:
> # onall swapon -s
>
> Now, as we have enabled root failover you MUST configure a local boot
> device
> on the new node. It is highly recommended that the boot device have the
> same name as the first node's boot device. Remember that we assumed at
> the beginning of these instructions that the first node's boot device is
> located on the first partition of the first drive (i.e. /dev/hda1).
>
> Format the boot device with an ordinary Linux filesystem, such as ext3:
> # onnode 2 mkfs.ext3 /dev/hda1
>
> Now run ssi-chnode anywhere in the cluster (no need to use onnode with
> this
> command). Select the new node, enter its local boot device name, and
> ssi-chnode will copy over the necessary files. Commands to do this are:
> # ssi-chnode
> Node: 2
> PXE: P
> (note, use E if using Etherboot)
> Boot device: /dev/hda1
>
> Finally, you need to manually install a GRUB boot block on the new node:
> # onnode 2 grub --device-map=/boot/grub/device.map
> grub> root (hd0,0)
> grub> setup (hd0)
> grub> quit
>
> This will ensure that the boot loader is installed on hda of Node 2, (so
> that
> it is able to boot). The failover node will not boot from the network
> anymore. It will boot from its own hard drive, and depending on whether it
> finds a root node on the cluster, it will either join the root node or
> become the root node.
>
> Eject the CD in Node 2 (cluster2) so that it will boot from the hard
> drive,
> or
> if you have been using PXE, change the boot sequence in BIOS. Now, reboot
> cluster2 with the following command:
> # clusternode_shutdown -r -A 5 -t 5 -N 2 now
>
> Reboot and watch the node boot and joins the SSI cluster :-)
> ===============================================================================
>
>
> ===============================================================================
> DRBD - highly available (HA) data storage, data protection, data
> redundancy,
> and data replication (sub-second failover performance)
> -------------------------------------------------------------------------------
> http://www.openssi.org/cgi-bin/view?pf=1&page=docs2/1.9/fedora/README.drbd
>
> If you do not have shared disk hardware (ie fibre channel, SAN), an
> alternate
> solution for HA filesystems is provided by the Distributed Replicated
> Block
> Device (DRBD) project.
>
> Copy "drbd-ssi-1.9.2.tar.gz" & "kernel-ssi-2.6.10-ssi_3devel.src.rpm" to
> cluster1 and put in the following, created directory:
> # mkdir /usr/src/openssi-drbd
> # cd /usr/src/openssi-drbd
>
> Install the kernel sources, so we can compile against its headers
> # rpm -Uvh kernel-ssi-2.6.10-ssi_3devel.src.rpm
> # rpmbuild -ba --target=i686 /usr/src/redhat/SPECS/kernel-2.6.spec
>
> The above command takes a LONG TIME (about 1.5 to 2hrs)
>
> The sources end up in a weird spot, so make it accessible in a more
> conventional fashion with...
> # ln -s /usr/src/redhat/BUILD/kernel-ssi-2.6.10/linux /usr/src/linux
>
> Next, run the install script for the SSI patched DRBD:
> # cd /usr/src/openssi-drbd/
> # tar xzf drbd-ssi-1.9.2.tar.gz
> # cd drbd-ssi-1.9.2/drbd/
>
> Because we have not installed the 'docbook tools', we will not be able to
> compile the 'documentation' subdirectory. Trouble is, that that directory
> is in the build script, so we will edit the Makefile so the
> 'documentation'
> directory is ignored.
> # vi Makefile
>
> Change:
> SUBDIRS = user scripts documentation drbd #testing #benchmark
> ALLSUBDIRS = user scripts benchmark documentation drbd testing
> To:
> SUBDIRS = user scripts drbd #documentation #testing #benchmark
> ALLSUBDIRS = user scripts benchmark drbd testing #documentation
>
> # make KDIR=/usr/src/linux
>
> Make sure it has a squeaky clean install, and that it has produced our
> loadable
> kernel module 'drbd.ko' as follows:
> /usr/src/openssi-drbd/drbd-ssi-1.9.2/drbd/drbd/drbd.ko
>
> # make install
>
> It should have installed this into the following location, following a
> squeaky
> clean completion of the above install command:
> /lib/modules/2.6.10-ssi_3develsmp/kernel/drivers/block/drbd.ko
>
> # vi /etc/drbd.conf
> Make the following configuration changes:
> Change:
> # resource root {
> resource r0 {
> To:
> resource root {
> # resource r0 {
>
> Change:
> # wfc-timeout 0;
> To:
> wfc-timeout 0;
>
> OPTIONAL - change (under the 'syncer' block) the rate as follows:
> rate 10M; (for 100Mbit Ethernet, leaves 20% headroom capacity on network)
> rate 100M; (for GigaBit Ethernet, leaves 20% headroom capacity on
> network)
>
> Change "on amd {" to "on cluster1 {"
> Change "disk /dev/hde5" to "disk /dev/hda2"
> nodenum 1;
> Change "address 192.168.22.11:7788;" to "address 10.10.10.1:7788;" (the
> interconnect IP)
> Change "meta-disk internal" to "meta-disk /dev/hda5[0];"
>
> Change "on alf {" to "on cluster2 {"
> Change "disk /dev/hdc5" to "disk /dev/hda2"
> nodenum 2;
> Change "address 192.168.22.12:7788;" to "address 10.10.10.2:7788;" (the
> interconnect IP)
> Change "meta-disk internal" to "meta-disk /dev/hda5[0];"
>
> Comment out the remainder of the file (resource r1, r2 & r3 blocks), which
> are
> additional device definitions we won't be using. Use the 'skip' block
> syntax, ie:
>
> skip {
> TEXT WITHIN THE BRACES IS NOW COMMENTED OUT AS A CHUNK
> }
>
> Now, when we did the initial Fedora install, we created a /drbd-index
> partition,
> as a holding area to get the DRBD area created. Time to finish this
> process
> so it can store DRBD meta data.
> # vi /etc/fstab
>
> Comment out the line, so that it reads:
> #LABEL=/drbd-index /drbd-index ext3 defaults,node=1 1 2
>
> # umount /drbd-index
> # rmdir /drbd-index
>
> # dd if=/dev/zero of=/dev/hda5
>
> The above will take a minute or so, then we can continue with:
> # modprobe drbd
> # lsmod | grep drbd
>
> WARNING: IF YOU DO NOT GET THIS MODULE LOADING OK - DO NOT CONTINUE &
> REBOOT,
> OR YOU WILL NOT HAVE AN OPERABLE SYSTEM ANYMORE!!!! If you followed the
> 'Makefile' documentation directory tweak above, you should have no issues.
>
> # mkinitrd --drbd --cfs -f /boot/initrd-`uname -r`.img `uname -r`
> # vi /boot/grub/grub.conf
>
> Add "drdb" to the following line, so it reads:
> kernel /vmlinuz-2.6.10-ssi_3develsmp ro drbd
> root=UUID=b3111a92-fdc4-459c-9867-94d0c75bd9a9 acpi=off rhgb quiet
>
> # ssi-ksync
> # vi /etc/fstab
>
> Replace the "UUID=..." part to "/dev/drbd0", ie so we get:
> #UUID=b3111a92-fdc4-459c-9867-94d0c75bd9a9 / ext3
> chard,defaults,node=1 1 1
> /dev/drbd0 / ext3 chard,defaults,node=1 1 1
>
> Now REBOOT (and leave cluster2 off)!
>
> One-off-procedure: Configure cluster1 drbd
> ------------------------------------------
> You will see some messages about DRBD, let it continue to boot until it
> begins
> counting on the screen. This is counting up the seconds it will wait for a
> peer node to appear. It will count up to 120 seconds. Look for the
> following
> line:
> To abort waiting enter 'yes' [ nn]:
>
> Type "yes" to abort the counting.
>
> The system will attempt to mount the root (/) filesystem but will fail
> because
> it is not a primary node. Then it will display:
> Press Enter within 10 seconds for shell.
>
> MAKE SURE you HIT <Enter> within 10 seconds ! And then continue with...
>
> # drbdadm -s /bin/drbdsetup -- --do-what-I-say primary root
> # exit
>
> When the system boots up, it will wait for 120 sec...just let it do this.
>
> Now the root (/) partition should be picked up by the drbd-enabled ramdisk
> and booted. You are now running with the root as the DRBD primary.
> </one-off-procedure>
>
> When completed booting up, login in and type:
> # cat /proc/drbd
>
> This will show the status of the DRBD system, the command can also be used
> to
> show whether other nodes have synced up properly with the main image. You
> should see:
> version: 0.7.20 (api:79/proto:74)
> SVN Revision: 2260 build by root@cluster1, 2007-01-18 08:12:12
> 0: cs:WFConnection st:Primary/Unknown ld:Consistent
> ns:0 nr:0 dw:127536 dr:231025 al:7 bm:173 lo:0 pe:0 ua:0 ap:0
>
> You can see the waiting for connection (WFConnection) to our secondary.
> TIP for later - DRBD is ready for failover once all drbd devices show
> "ld:Consistent".
>
> Bring up Node2 and sync
> -----------------------
> Boot up cluster2, it should boot via its hard disk and then detect that it
> is
> secondary in the bootup - as it will detect cluster1 via the interconnect.
>
> You can "cat /proc/drbd" to determine the progress of the syncing. DRBD is
> ready
> for failover once all drbd devices show "ld:Consistent", and until then,
> you
> should see a progress info layout similar to...
>
> # cat /proc/drbd
> version: 0.7.17 (api:77/proto:74)
> SVN Revision: 2093 build by phil@mescal, 2006-03-06 15:04:12
> 0: cs:SyncSource st:Primary/Secondary ld:Consistent
> ns:627252 nr:0 dw:0 dr:629812 al:0 bm:38 lo:640 pe:0 ua:640 ap:0
> [=>..................] sync'ed: 6.6% (8805/9418)M
> finish: 0:04:51 speed: 30,888 (27,268) K/sec
>
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
> PROBLEM_PROBLEM_PROBLEM - I GET THE FOLLOWING (SKIPPED THE SYNC #$*@&#!)
>
> version: 0.7.20 (api:79/proto:74)
> SVN Revision: 2260 build by root@cluster1, 2007-01-18 08:12:12
> 0: cs:SkippedSyncS st:Primary/Secondary ld:Consistent
> ns:360 nr:0 dw:19148 dr:56901 al:0 bm:182 lo:0 pe:0 ua:0 ap:0
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>
> ===============================================================================
>
>
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>
>
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