[CentOS] iSCSI best practices

[Reindl Harald]

Am 12.12.2011 14:49, schrieb lhecking at users.sourceforge.net:
> 
>> 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

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