Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Re: DRBD and XFS [In reply to]
>>Valdas R wrote:
>> Hello
>>
>> I'm struggling for last couple days to get my sync
>> working. I have to server one of then runs CentOS
>> kernel 2.6.17.8, with read ahead patch, another one
>> CentOS 2.6.17.13, Drbd version: 0.7.21
>> config file for looks like this:
>>
>> on primary {
>> device /dev/drbd0;
>> disk /dev/cciss/c1d0p1;
>> -------------> xfs file system
>> address 192.168.0.105:7788;
>> meta-disk /dev/cciss/c1d0p3[0];
>> ----------------> ext3 file system
>>
>> }
>>
>> on secondary{
>> device /dev/drbd0;
>> disk /dev/sdb1;
>> ---------------------> xfs
>> address 192.168.0.106:7788;
>> meta-disk /dev/sdb2[0];
>> ----------------------->xfs
>> }
>>
>>
>> i make secondary server Stand Alone and primary:
>>
>> after that
>>
>> mount /dev/drbd0 /test_dir/
>> mount: /dev/drbd0: can't read superblock
>>
>> and dmesg:
>>
>> Filesystem "drbd0": Disabling barriers, not
supported
>> by the underlying device
>> attempt to access beyond end of device
>> drbd0: rw=0, want=245762304, limit=220319968
>> I/O error in filesystem ("drbd0") meta-data dev
drbd0
>> block 0xea608ff ("xfs_read_buf") error 5 buf
>> count 512
>> XFS: size check 2 failed
>> Filesystem "drbd0": Disabling barriers, not
supported
>> by the underlying device
>> attempt to access beyond end of device
>> drbd0: rw=0, want=245762304, limit=220319968
>> I/O error in filesystem ("drbd0") meta-data dev
drbd0
>> block 0xea608ff ("xfs_read_buf") error 5 buf
>> count 512
>> XFS: size check 2 failed
>>
>>
>> I was wondering if it's because drbd-meta dir file
>> system is different on primary server or some other
>> issue ?
>>
>Hmnn
>in a word YES, although not in the way you mean
>meta data uses a 'raw' partition, not a fileystem
>unmount /dev/cciss/c1d0p3
>and /dev/sdb2
>and try again
Ok , i thing i might forgot to mension one more
importand thing: primary server is x86_64 and
secondary is i386, i think it runs 8k kernel stack and
i386 has 4k stack, could it be a problem as well ?
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