On 06/25/2009 10:17 AM, Mike Christie wrote: > On 06/25/2009 06:33 AM, Santi Saez wrote: >> Hi, >> >> Randomly I get those iSCSI errors on a Linux box with CentOS 5.3, >> running default kernel (2.6.18) and using Open-iSCSI >> (6.2.0.868-0.18.el5_3.1): >> >> ping timeout of 5 secs expired, last rx (..) > > This indicates that the initiator sent a iscsi ping but we did not get a > reply. When this happens the initiator will then drop the session and > try to relogin and retry IO. > >> connection1:0: iscsi: detected conn error (1011) >> Kernel reported iSCSI connection 1:0 error (1011) state (3) >> session1: iscsi: session recovery timed out after 120 secs >> iscsi: cmd 0x28 is not queued (8) > > This indicates that we tried to relogin for 2 minutes, but we could not > log back in. At that time, we fail IO. > >> sd 1:0:0:0: SCSI error: return code = 0x00010000 >> end_request: I/O error, dev sdb, sector 226732039 >> sd 1:0:0:0: SCSI error: return code = 0x00010000 >> end_request: I/O error, dev sdb, sector 187040175 >> >> Full log is available at: http://pastebin.com/f40472f99 >> >> After that, we need to reboot the server to recover read-write into ext3 fs. >> > > You might be able to avoid this problem by increasing the > node.session.timeo.replacement_timeout in iscsid.conf (dont forget to > rediscovery the storage so the new value gets picked up).
Oh yeah, for config settings when not using dm-multipath you can just turn nops off by setting node.conn[0].timeo.noop_out_interval = 0 node.conn[0].timeo.noop_out_timeout = 0 --~--~---------~--~----~------------~-------~--~----~ 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 open-iscsi+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/open-iscsi -~----------~----~----~----~------~----~------~--~---
