xenone-sky:~# uname -aLinux xenone-sky 2.6.10-xenU #1 Sun Jan 30 11:29:00 GMT 2005 i686 GNU/Linux
xenone-sky:~# mount /dev/hda1 on / type ext3 (rw,errors=remount-ro) xenone:/etc/xen# uname -aLinux xenone 2.6.10-xen0xen0multipath #4 Sun Jan 30 14:38:14 GMT 2005 i686 GNU/Linux
xenone:/etc/xen# xm list Name Id Mem(MB) CPU State Time(s) Console Domain-0 0 123 0 r---- 114.5 sky 4 127 1 -b--- 6.5 9604 xenone:/etc/xen# xm vbd-list 4(vbd (idx 0) (vdev 769) (device 64769) (mode w) (dev hda1) (uname phy:xen-a/xen-sky) (node xen-a/xen-sky) (index 0))
xenone:/etc/xen# lvscan ACTIVE '/dev/xen-a/xen-sky' [10.00 GB] inherit xenone:/etc/xen# pvscan PV /dev/No VG xen-a lvm2 [20.00 GB / 10.00 GB free] xenone:/etc# multipath -S -v 3 3600507680183001b0800000000000029 create: 3600507680183001b0800000000000029 [size=20 GB][features="0"][hwhandler="0"] \_ round-robin 0 [first] \_ 0:0:0:0 sda 8:0 [ready ] \_ 0:0:2:0 sdc 8:32 [ready ] \_ 1:0:2:0 sdg 8:96 [ready ] \_ 1:0:3:0 sdh 8:112 [ready ] \_ round-robin 0 \_ 0:0:1:0 sdb 8:16 [ready ] \_ 0:0:3:0 sdd 8:48 [ready ] \_ 1:0:0:0 sde 8:64 [ready ] \_ 1:0:1:0 sdf 8:80 [ready ]Woooo.... so the linux inside xen as no idea it is being multipathed, the hypervisor does all the good work.
Now going to try and migrate a xen node from one multipath hypervisor to another, and after that, try and get the xen box itself boot of the SAN :-)
Keep up the good work. Cheers Arthur ----- CTO @ Fotango Ltd +447834716919 http://www.fotango.com/
Attachment:
PGP.sig
Description: This is a digitally signed message part
