On Mon, Dec 12, 2011 at 3:52 PM, Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote:
>
>
> Am 12.12.2011 14:49, schrieb lhecking@xxxxxxxxxxxxxxxxxxxxx:
>>
>>> Outage is one thing, but having the disk volumes disappear mid-transaction can be detrimental to a file system's health.
>>
>> To get this back on-topic and closer to the OP's requests, are there any
>> particular iscsi settings one should consider to increase resiliency and
>> minimise the impact of e.g. a rebooting switch? timeout settings? The
>> big disadvantage of iscsi is that you add another layer that can fail
>> (compared to having virtual machine images on a local disk).
>
> you should always have two links to your iSCSI device and two
> different switches so that it does not matter if one switch
> dies or reboots
>
>
And then you still have the iSCSI applicance / server to worry about.
It can fail as well. Even with redundancy PSU's it could fail - the
RAM, CPU, motherboard, controller card, expensive RAID card, etc can
fail as well.
--
Kind Regards
Rudi Ahlers
SoftDux
Website: http://www.SoftDux.com
Technical Blog: http://Blog.SoftDux.com
Office: 087 805 9573
Cell: 082 554 7532
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