[Pkg-iscsi-maintainers] Bug#598773: Support multiple iSCSI target IPs in initramfs
Ritesh Raj Sarraf
rrs at debian.org
Fri Oct 1 18:37:51 UTC 2010
On Friday 01 Oct 2010 23:12:23 Norbert Tretkowski wrote:
> > BTW, why does multipath + iSCSI Root need multiple paths ? One single
> > path should suffice.
>
> If this single path fails, the system won't boot any longer.
Are you using this config (that of multipath iSCSI Paths for the Root LUN + DM
Multipath) along with the proposed patch ?
Even the multipathd daemon will not be available in initramfs. The multipathd
daemon does health status check for the individual paths and updates the map
but I'm not sure if it plays any role in cycling the I/O across the paths. Or
is it just the dm-mulipath.ko module ?
Failures for individual paths are sensed in the SCSI layer but those paths are
declared failed only when the path checker checks it. That runs in userspace,
Right ?
Ritesh
--
Ritesh Raj Sarraf | http://people.debian.org/~rrs
Debian - The Universal Operating System
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