Tomasz Chmielewski schrieb:
> Some more details:
>
> - rootfs is connected to the target using 100 Mbit LAN
(...)
> - kjournald is in D state (probably trying to access inaccessible
> device), which is interesting and may be the reason why everything seems
> to freeze?
I lowered the replace
Mike Christie schrieb:
>> The machine has its root filesystem accessible via iSCSI (via fast LAN,
>> to a different target) which can somehow contribute to the problem? It
>> runs a 2.6.22 kernel.
>> Some bad interaction if the initiator is connected to two targets with
>> different IPs, and con
Tomasz Chmielewski wrote:
> Mike Christie schrieb:
>
>> The scsi layer sets a timeout on each command. If it does not execute in
>> X seconds, it will run the iscsi eh.
>>
>> So you can increase the scsi command time:
>>
>> To modify the udev rule open /etc/udev/rules.d/50-udev.rules, and find t
Bart Van Assche schrieb:
> On Fri, Jan 9, 2009 at 3:22 PM, Tomasz Chmielewski wrote:
>> Bart Van Assche schrieb:
>>> # ping -q -i 0.01 -c1000 -s160 ${remote_ip}
>> I get about 1% losses.
>
> IMHO running iSCSI over a slow link should work, but a packet loss of
> 1% is troublesome. On a local net
On Fri, Jan 9, 2009 at 3:22 PM, Tomasz Chmielewski wrote:
> Bart Van Assche schrieb:
>> # ping -q -i 0.01 -c1000 -s160 ${remote_ip}
>
> I get about 1% losses.
IMHO running iSCSI over a slow link should work, but a packet loss of
1% is troublesome. On a local network the packet loss rate is about
On Thu, Jan 8, 2009 at 12:44 PM, Tomasz Chmielewski wrote:
> Anyone using iSCSI over DRBD? And a slow internet link perhaps?
How reliable is the link you are using -- which percentage of packets
is lost ? You can test this e.g. with the ping command. The following
command will generate about 32
Mike Christie schrieb:
> The scsi layer sets a timeout on each command. If it does not execute in
> X seconds, it will run the iscsi eh.
>
> So you can increase the scsi command time:
>
> To modify the udev rule open /etc/udev/rules.d/50-udev.rules, and find the
> following lines:
>
> ACTION=
Tomasz Chmielewski wrote:
> Anyone using iSCSI over DRBD? And a slow internet link perhaps?
>
> If yes, you are likely to see connection errors, host resets, and eventually,
> I/O errors reported, for example:
>
> Jan 7 21:47:09 vmware1 kernel: connection23:0: iscsi: detected conn error
> (10