Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
I believe that you need a network filesystem on top of DRDB rather.
Example like Redhat GFS, ocfs2 etc..
ext4 is not network aware FS.
cheers
On Tue, May 28, 2013 at 6:50 PM, Vasiliy I Ozerov <vozerov at 2reallife.com>wrote:
> Good day!
>
> I have a little problem running drbd.
>
> System: Debian Squeeze 6.0.6
> Kernel: 2.6.32-5-amd64
> DRBD: 8.3.13-2
>
> Config for home resource:
>
> resource home {
> on backup {
> device /dev/drbd1;
> disk /dev/sda5;
> address 78.47.3.54:7789;
> meta-disk /dev/ram0[14];
> }
>
> on backup2 {
> device /dev/drbd1;
> disk /dev/sda4;
> address 78.47.3.86:7789;
> meta-disk internal;
> }
> }
>
> ram0 - 2Gb Size
>
> I make the following actions:
>
> # drbdadm create-md home
> # /etc/init.d/drbd start
>
> Then I see the following:
>
> root at backup2 /etc/drbd.d # cat /proc/drbd
> version: 8.3.7 (api:88/proto:86-91)
> srcversion: EE47D8BF18AC166BE219757
>
> 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent B
> r----
> ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b
> oos:4293787648
>
> Then I started sync:
>
> root at backup /etc/drbd.d # drbdadm -- --overwrite-data-of-peer primary home
> root at backup /etc/drbd.d # cat /proc/drbd
> version: 8.3.7 (api:88/proto:86-91)
> srcversion: EE47D8BF18AC166BE219757
>
> 1: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent B r----
> ns:11232 nr:0 dw:0 dr:11436 al:0 bm:0 lo:0 pe:21 ua:0 ap:0 ep:1 wo:b
> oos:4293777088
> [>....................] sync'ed: 0.1% (4193140/4193152)M
> finish: 110:26:11 speed: 10,560 (10,560) K/sec
>
> It's ok.
>
> But when I try to mount /dev/drbd1 I see the following:
>
> root at backup /etc/drbd.d # mount -t ext4 /dev/drbd1 /home/
> mount: wrong fs type, bad option, bad superblock on /dev/drbd1,
> missing codepage or helper program, or other error
> In some cases useful info is found in syslog - try
> dmesg | tail or so
>
> And in dmesh I saw, that drbd started to sync only 4Tb:
>
> [37354503.285925] block drbd1: Forced to consider local data as UpToDate!
> [37354503.285972] block drbd1: Creating new current UUID
> [37354509.351392] block drbd1: drbd_sync_handshake:
> [37354509.351424] block drbd1: self
> ACD94469A7E81D3F:0000000000000004:0000000000000000:0000000000000000
> bits:1073446912 flags:0
> [37354509.351478] block drbd1: peer
> 0000000000000004:0000000000000000:0000000000000000:0000000000000000
> bits:1073446912 flags:0
> [37354509.351531] block drbd1: uuid_compare()=2 by rule 30
> [37354509.351557] block drbd1: Becoming sync source due to disk states.
> [37354509.351585] block drbd1: Writing the whole bitmap, full sync
> required after drbd_sync_handshake.
> [37354509.401466] block drbd1: meta data flush failed with status -5,
> disabling md-flushes
> [37354509.401501] block drbd1: 4095 GB (1073446912 bits) marked
> out-of-sync by on disk bit-map.
> [37354509.401540] block drbd1: conn( Connected -> WFBitMapS )
> [37354511.724636] block drbd1: conn( WFBitMapS -> SyncSource )
> [37354511.724676] block drbd1: Began resync as SyncSource (will sync
> 4293787648 KB [1073446912 bits set]).
>
> I tried to use flexible-meta-disk, but with no luck.
>
> Can you help me to solve this problem?
>
> Thank you!
> --
> Vasiliy I Ozerov
>
>
> _______________________________________________
> drbd-user mailing list
> drbd-user at lists.linbit.com
> http://lists.linbit.com/mailman/listinfo/drbd-user
>
>
--
Steve Kieu
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