[rrd-developers] crash - full hard disk

Daniel.Pocock at barclayscapital.com Daniel.Pocock at barclayscapital.com
Tue Oct 7 14:18:48 CEST 2008

As part of the scalability tests I've been doing, I regularly fill up my
hard disk with RRDs.

I've noticed that rrdtool (trunk, linked with Ganglia 3.1) creates one
or more files with size 0 or with other unusual sizes when the disk
fills up, and shortly after, there is a seg fault (gdb output below)

I wanted to create a ticket for this on the Trac system, but I couldn't
find the link for creating an account, and the account published on the
welcome page doesn't have permissions.

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 46913030207808 (LWP 31151)]
0x0000003eac43052c in rrd_dontneed (rrd_file=0x0, rrd=0x2aaaca7fff10)
    at rrd_open.c:335
335         rra_start = rrd_file->header_len;

(gdb) bt
#0  0x0000003eac43052c in rrd_dontneed (rrd_file=0x0,
    at rrd_open.c:335
#1  0x0000003eac408afd in rrd_create_fn (
    file_name=0x2aaaca800710 "/.../cpu_system.rrd", 
    rrd=0x2aaaca800090) at rrd_create.c:807
#2  0x0000003eac407d3f in rrd_create_r (
    filename=0x2aaaca800710 "/.../cpu_system.rrd", pdp_step=10, 
    last_up=1223381383, argc=7, argv=0x2aaaca8002b0) at rrd_create.c:548
#3  0x0000003eac4065fb in rrd_create (argc=13, argv=0x2aaaca800280)
    at rrd_create.c:103

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