Amanda-Users

Re: Backup after LVM snapshot

2005-07-01 15:20:50
Subject: Re: Backup after LVM snapshot
From: "Maurice Poisson Adriasola" <mpoisson AT aconcagua DOT cl>
To: amanda-users AT amanda DOT org
Date: Fri, 1 Jul 2005 15:03:11 -0400 (CLT)
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.


<Prev in Thread] Current Thread [Next in Thread>