OmniOS might be a better general-purpose Illumos distro if iSCSI is needed?
> On 14 Oct 2015, at 14:11, Patrick O'Sullivan <[email protected]> wrote: > > > So my question: "Why this tool is not part of the binary distribution ?" > > SmartOS is not designed to run using networked block storage. It is designed > to use local disk. This is a decision made by Joyent which reflects the > collective experience of its engineers. > >> On Wed, Oct 14, 2015 at 3:45 AM, Skale Franz >> <[email protected]> wrote: >> >> Hi list, >> this is my first post but i think the majority of you will find my >> contribution helpful. >> I will cut the story down to the minimum. >> Everyone who's using a multipathed (MPXIO) setup (ISCSI) will run into a >> problem when a disk will partly fail. (grown defects) >> A disk with grown defects will degrade a zpool but will stay connected for >> the system. >> Usually you will try to use cfgadm to disconnect the disk, but will end up >> frustrated because the tool will only output operation not supported. >> I don't want to reboot only because of a failed disk i thought ! >> mpathadm list lu will try to access the disk but the ioctl will fail with >> error 22. >> So i tried various solutions to offline the disk but non of them worked as >> expected. >> I then found a hint on the oracle website claiming there's a tool that is >> able to offline a disk. >> Cool i thought, but where it is ? >> The utility "luxadm" is not part of smartos but will be build when when >> compiling from source. >> I then copied it to my nodes and gave it a try. >> And whoops, it worked. >> Cmdline: luxadm -e offline /dev/rdsk/c0t5000C500xxxxxxxs2 >> DMESG: >> Oct 12 13:29:08 host01 genunix: [ID 408114 kern.info] >> /scsi_vhci/disk@g600xxxxxxxxxxxxxxxxxxxx (sd13) offline >> Oct 13 06:40:59 host01 drive offline >> >> Now, mpathadm worked again and there are no vhci resets when changing the >> path due to a multipath event. >> So my question: "Why this tool is not part of the binary distribution ?" >> It's essential for mulitpathed setups though. >> >> Best regards >> >> Franz > > smartos-discuss | Archives | Modify Your Subscription ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com
