Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Will DRBD work in dual primary mode using an ext3 file system?
Sent from my iPhone
On Mar 21, 2008, at 12:05 PM, Greg Haase <haaseg at onefreevoice.com>
wrote:
> Acually, it appears from your output that syncing is in progress:
>
>> [>...................] sync'ed: 9.9% (9899/10979)M
> ^^^^^^^^
>
> I think Lars is trying to point out that you are using a non-
> journaling
> filesystem (ext2) for a primary/primary setup. You probably want to a
> filesystem that is better suited for that kind of thing. Now, I
> don't know
> why he won't just come out and say it that way.
>
> -Greg
>
>> Here's my new config. I ran pvcreate /dev/sda3 and created a
>> Volume Group
>> called VolGroup01 and a Logical Volume called LogVol00. I ran mke2fs
>> /dev/drbd0 and was able to mount the filesystem. But it doesn't
>> appear to
>> be syncing with the other node. I'm not sure if it's because it's
>> just
>> not done with the initial sync or if I did something wrong. The
>> output of
>> cat /proc/drbd is below.
>>
>> on qa1r2cls {
>> device /dev/drbd0;
>> disk /dev/VolGroup01/LogVol00;
>> address 10.1.50.202:7789;
>> meta-disk internal;
>> }
>> on qa1r3cls {
>> device /dev/drbd0;
>> disk /dev/VolGroup01/LogVol00;
>> address 10.1.50.203:7789;
>> meta-disk internal;
>> }
>>
>> version: 8.2.5 (api:88/proto:86-88)
>> GIT-hash: 9faf052fdae5ef0c61b4d03890e2d2eab550610c build by
>> root at qa1r2cls,
>> 2008-
>> 03-20 18:46:40
>> 0: cs:SyncSource st:Primary/Primary ds:UpToDate/Inconsistent C r---
>> ns:1540676 nr:609708 dw:1219368 dr:931310 al:278 bm:57 lo:0 pe:0
>> ua:0
>> ap:0
>> [>...................] sync'ed: 9.9% (9899/10979)M
>> finish: 8:12:46 speed: 332 (376) K/sec
>> resync: used:0/31 hits:101691 misses:144 starving:0 dirty:0
>> changed:144
>> act_log: used:0/127 hits:152137 misses:287 starving:0 dirty:9
>> changed:278
>>
>> -----Original Message-----
>> From: drbd-user-bounces at lists.linbit.com
>> [mailto:drbd-user-bounces at lists.linbit.com] On Behalf Of Chris Raver
>> Sent: Friday, March 21, 2008 9:29 AM
>> To: drbd-user at lists.linbit.com
>> Subject: RE: [DRBD-user] DRBD + LVM2 Setup on RHEL5.1
>>
>> I think this will change my configuration because I am planning on
>> using
>> LMV2. If my config looks something like this:
>>
>> Perhaps something like:
>>
>> on alice {
>> device /dev/drbd0;
>> disk /dev/vg_01/lv_r0;
>> ...
>>
>> When I run pvcreate do I use /dev/sda3 and create a volume group
>> called
>> vg_01. Or do I run pvcreate /dev/drbd0 (which isn't working right
>> now).
>>
>>
>>
>> -----Original Message-----
>> From: drbd-user-bounces at lists.linbit.com
>> [mailto:drbd-user-bounces at lists.linbit.com] On Behalf Of Andy Diller
>> Sent: Friday, March 21, 2008 8:58 AM
>> To: Florian Haas
>> Cc: drbd-user at lists.linbit.com
>> Subject: Re: [DRBD-user] DRBD + LVM2 Setup on RHEL5.1
>>
>> Perhaps something like:
>>
>> on alice {
>> device /dev/drbd0;
>> disk /dev/vg_01/lv_r0;
>> ...
>>
>> Would make more sense.
>>
>> Anyone working w/ LVM will not be using the /dev/sd[x] or /dev/hd[x]
>> obviously.
>>
>>
>> -andy
>>
>>
>> ----- "Florian Haas" <florian.haas at linbit.com> wrote:
>>
>>>> What device is /dev/drbd/r0? Most block devices in RHEL are going
>>>> to
>>> be
>>>> /dev/sd[a-d] (SCSI or SATA) or /dev/hd[a-d] (IDE).
>>>
>>> Ouch, I hadn't realized that part of the user's guide was so easily
>>> misunderstood.
>>>
>>> resource r0 {
>>> ...
>>> on alice {
>>> device /dev/drbd0;
>>> disk /dev/drbd/r0;
>>> ...
>>> }
>>> on bob {
>>> device /dev/drbd0;
>>> disk /dev/drbd/r0;
>>> ...
>>> }
>>> }
>>>
>>> This means the backing devices are LVM logical volumes named "r0"
>>> in a
>>> Volume Group named "drbd". It says so in the text above the config
>>> snippet, but apparently that is easily overlooked.
>>>
>>> I will change this to a generic foo/bar "naming convention" to avoid
>>> confusion.
>>>
>>> Thanks for pointing this out.
>>>
>>> Cheers,
>>> Florian
>>>
>>> --
>>> : Florian G. Haas
>>> : LINBIT Information Technologies GmbH
>>> : Vivenotgasse 48, A-1120 Vienna, Austria
>>>
>>> When replying, there is no need to CC my personal address.
>>> I monitor the list on a daily basis. Thank you.
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>
>