Re: Backup after LVM snapshot
2005-07-01 15:20:50
Paul Bijnens wrote:
> Maurice Poisson Adriasola wrote:
>>
>> On Jul 1, 2005, at 7:53 AM, Paul Bijnens wrote:
>>> Are you hitting this bug?
>>>
>>> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=132057
>>
>>
>> I have been hitting it in hosts with very little physical memory. Maybe
>> there is barely enough memory on this host too. I'm gonna check it.
>
> Could be another clue. The hosts where it does work here, have plenty
> of RAM (1 Gbyte).
> The host where I disabled it has 256 Mbyte.
Even though our failing host has only 256Mbyte, looking at the output of
free and vmstat I've been tempted to believe it should be enough.
venus:~# free
total used free shared buffers cached
Mem: 256300 247696 8604 0 72592 41580
-/+ buffers/cache: 133524 122776
Swap: 819192 9672 809520
venus:~# vmstat
procs -----------memory---------- ---swap-- -----io---- --system--
----cpu----
r b swpd free buff cache si so bi bo in cs us sy
id wa
0 0 9672 9584 73256 41596 0 0 23 46 66 85 5 3
89 3
... snip
>> Failure seems to happen only every time amanda's planner schedules an
>> incremental backup of the (snapshoted) /var filesystem and never when a
>> full dump is due.
>
>
> Do you use gnutar or dump for backup?
I'm using gnutar 1.14
I'll wait and see what happens today al backup-time, and tomorrow, install
some extra memory and keep you informed.
Thank you very much.
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