Hi All :-) On Sun, Jun 29, 2008 at 6:36 AM, Mike Christie <[EMAIL PROTECTED]> wrote:
> Nicholas A. Bellinger wrote: > >> Hi Mike! >> >> > Hey, looks like you doing some more cool stuff. Don't you have a job where > you have to hack on boring stuff like the rest of us :) Hey, feel free to come and hack on VHACS with us to get you un-bored ;-) > > > > On Sat, 2008-06-28 at 15:33 -0500, Mike Christie wrote: >> >>> What version of open-iscsi and kernel are you using? And are you using >>> the kernel modules with open-iscsi or the ones that come with the kernel? >>> >>> >> Whoops, forgot to include that tid-bit: >> >> open-iscsi: 2.0.730-1etch1 >> >> kernel: I am using v2.6.22.19-kdb, and Jerome is using >> v2.6.22-4-vserver-amd64 >> >> > Ah if your disk are using write back cache then you are going to hit some > problems. So if you see this in /var/log/messages when you loging: > > kernel: sd 9:0:0:1: [sdb] Write cache: enabled, > > then later when you run iscsiadm to log out you see: > > kernel: sd 9:0:0:1: [sdb] Synchronizing SCSI cache > > Then you are going to hit problems due to the scsi sysfs interface changing > on us. iscsiadm is going to hang. IO is going to hang. You basically have to > reboot the box by hand. I NEW I had read something related to writeback cache + sysfs, I tried to point Nicholas to it but I just couldn't find the place I saw this. Was it on the open/iSCSI homepage or in the MLs, I never found out again, but thanks for confirming that :-) I'll try to disable it and see how it goes from there. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to open-iscsi@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/open-iscsi -~----------~----~----~----~------~----~------~--~---
